3M Automotive = U.S.-based OEM of acrylic foam tape and other products used in Jaguar assembly
ARaymond = A.Raymond Tinnerman, U.S.-based OEM of adhesives & fasteners used in Jag assembly
AB Automotive Electronics, Ltd. = U.K.-based OEM of Jag CPUs, BPMs, TPSs, lighting modules, etc.
Abingdon King Dick Tools = U.K.-based OEM of King Dick jack ratchets in some Jaguar tool kits
AC = Albert Champion Co., U.S.-based OEM of various Jaguar parts (not to be confused with Champion)
ACDelco = U.S.-based OEM of Jaguar brake accumulators, Harrison A/C compressors, much more
ACM Germany Germany-based OEM of Jaguar A/C expansion valves, driers, hoselines, etc.
Acton Bolt Ltd. = U.K. OEM of BEES bolts and screws used on Jaguars in the '50s-'60s, sold to GKN 1962
Adwest Engineering = U.K.-based OEM of Jaguar steering racks, now known as Magal Engineering
Aeroquip Corp. = U.S.-based OEM of Jaguar A/C hoses and probably power steering hoses as well
AIR = Antipollution Industrial Research, firm of Michael May, HE “Fireball” cylinder head designer
Airtex-Wells = U.S.-based OEM to Ford and maker of some Ford parts used on Jaguars such as waterpumps & ignition coils
Aisin = Japan-based Toyota joint venture partner and OEM of Jaguar 6-speed automatic transmissions (X-Type (X400))
Alcan = Canada-based OEM of Jaguar aluminum bumper components
Alcon = U.K.-based OEM of Jaguar high-performance brake systems (X150)[/font]
Alcantara SpA = Italy-based OEM of Alacantara synthetic suede leather (sister product to Ultrasuede)
Alcoa = U.S.-based OEM of Jaguar alloy wheels, diecast shock towers, sunroofs, bumper parts, etc.
Alpine Electronics = Japan-based OEM of Jaguar audio entertainment & NAV systems, touchscreens
AMECA = France-based OEM of Amelock self-locking helical-insert nuts used on many Jaguar axles
Amecoil = AMECA tradename for helical thread insert in Amelock nuts used on many Jaguar axles
Amelock = AMECA trademark for self-locking nut with Amecoil insert, used on many Jaguar axles
American Safety Equipment Co. = Licensor and OEM of Jaguar-optional Hickok seat belts
Amerigon, Inc. = U.S.-based OEM of temperature-controlled heated/cooled Jaguar seats from 2008
AMP Inc. = U.S.-based OEM of Jaguar electrical connectors (Modu, Multi-Lok, Superseal, etc.) (TEC)
Ampco = U.S.-based OEM of dealer-optional accessories: floor mats, luggage racks, bumper guards, etc.
Amphenol = OEM of Jaguar electrical connectors and wiring harnesses
Anixter = U.S.-based OEM of wiring and fasteners for some Jaguars
Antipollution Industrial Research = AIR, firm of Michael May, designer of HE “Fireball” cylinder head
AP = Automotive Products Ltd., U.K.-based licensor of Borg & Beck clutches, Lockheed brakes, etc.
Arctic-Kat = Jaguar-approved retrofit A/C system made by Capitol Refrigeration Man. Co. of Dallas, TX
ArvinMeritor = U.S.-based OEM of Jaguar exhaust systems (XK), door strikers (XF)
ASG = Germany-based OEM of Jaguar exhaust systems and components
ATE or Ate = Germany-based OEM of Jaguar brake systems founded by Alfred Teves (Continental AG)
ATS Leichtmetallräder GmbH = Germany-based OEM of Jaguar alloy wheels
Augat = U.S.-based OEM of Jaguar electrical connectors, now owned by TE Connectivity (w.s.)
AUTO = Name found on heads of bolts and screws in some XK120s
Autocalf = Grade of Connolly Leather with embossed grain (see Autolux, Vaumol)
Autoliv Inc. = Sweden-based OEM of Jaguar airbags, seatbelts, pedestrian protection pop-up hood
Autolux = Premium grade of Connolly Leather, extra supple with little discernible grain (see Autocalf)
Automold Ltd. = U.K.-based OEM of many Jaguar molded plastic structural & decorative parts
Automotive Products Ltd. = AP, U.K.-based licensor of Borg & Beck clutches, Lockheed brakes, etc.
Autoneum = OEM of Jaguar trunk lid trim (F-Type)
Avon Rubber = OEM of Vibramount engine mounts used on some Jaguars (XJ 2.7L diesel)
B&W = Bowers and Wilkins U.K.-based OEM of Jaguar premium audio entertainment systems
Bahco = Sweden-based OEM of wrenches in Jaguar tool kits
Bakelite = Early thermosetting plastic used in various Jaguar parts, acquired by Union Carbide in 1939
BASF AG = Germany-based OEM of Jaguar painting systems & paint, shock top mounts (current XJ)
BBS = Germany-based manufacturer of some OE Jaguar wheels
Becker Germany-based OEM of Jaguar radios (now Harman/Becker Automotive Systems GmbH)
Behr Gm bH = Germany-based OEM of Jaguar A/C & cooling systems, engine & trans oil coolers
BEES = Tradename for screws and bolts made by Acton Bolt Ltd. of London, sold to GKN in 1962
Bendix = U.S.-based OEM of Jaguar brake pads, Lucas/Girling was a part owner, now Honeywell
Benecke-Kaliko AG = Germany-based OEM of Jaguar lower instrument-panel or Yorn (F-Type)
Benteler Automotive = Germany-based OEM of Jaguar steel chassis and structural components
Bilstein = Germany-based OEM of Jaguar shock absorbers/dampers (now a div. of ThyssenKrupp)
Boge = Germany-based OEM of Jaguar shock absorbers/dampers (XJ S3, XJ40) (div. of ZF)
Borbet Group GmbH = Germany-based OEM of Jaguar alloy wheels (F-Type, current XJ)
Borealis & Borouge = Austria/Abu Dhabi based OEM of Fibremod plastic (F-Type IP & airbag chute)
Borg & Beck = U.S. OEM of clutch discs supplied to Jaguar via U.K. licensor Automotive Products Ltd.
BorgWarner = U.S.-based OEM of Jaguar gearboxes, VCT phasers, CTA VCT systems, turbochargers
Bosal Group = Netherlands-based OEM of Jaguar exhaust systems
Bosch = Robert Bosch GmbH, Germany-based OEM of countless Jaguar components and systems
Bourns Sensors = U.S.-based OEM of Jaguar Electronic Handbrake Position Sensor (via Dura)
Bowers and Wilkins = B&W, U.K.-based OEM of Jaguar premium audio entertainment systems
Brembo S.p.A. = Italy-based OEM of high-performance Jaguar brake calipers & rotors
Bridgestone = Japan-based OEM of tires for some Jaguar models
Bridgtown Industries = U.K.-based maker of interior door panels, etc.
Brose Coventry = Div. of Germany-based OEM of Jaguar seat adjusters and window regulators
BTB Exhausts Ltd. = U.K.-based OEM of exhaust systems for select Jaguar models (from 2014)
Capitol Refrigeration Man. Co. = U.S.-based maker of Jaguar-approved retrofit Arctic-Kat A/C systems
Carbody = OEM of Jaguar spring bump stops (F-Type)
Carcoustics = Germany-based OEM of Jaguar carpets, soundproofing
Castrol = U.K.-based OEM of motor oils and other lubricants for Jaguar
Celanese = U.S.-based OEM of Celstran plastic used in many modern Jaguar parts (formerly Ticona)
Champion Spark Plug Co. = U.S.-based OEM of spark plugs & spark plug caps for many Jaguar models
Cheney = U.K.-based OEM of “Double Grip” worm-drive hose clamps used on ‘50s-‘60s Jaguars
Churchill, V.L. & Co. Ltd. = U.K.-based OEM of special service tools for Jaguar dealerships/agents
Cibie = France-based OEM of Jaguar headlamps, etc., now a division of Valeo
Cikautxo = Spain-based OEM of Jaguar rubber exhaust mounts and bushes
Climaglass = Along with SICURSIV, trademark of Societa Italiana Vetro SIV S.p.A., OEM of Jaguar glazing
CMA Moldform Ltd. = U.K.-based OEM of Jaguar molded and cast plastic parts
Coach Builders Ltd. = OEM of Jaguar-approved XJS convertible conversions 1983-88
COBA Plastics Ltd. = U.K.-based OEM of Jaguar molded plastic components, weatherstripping, etc.
Collins & Aikman = U.K.-based OEM of Jaguar Carpets, soundproofing (ceased operations in 2007)
Colvern = U.K.-based OEM of Throttle Position Sensors, etc. (div. AB Automotive Electronics)
Connolly Leather, Ltd. = U.K.-based OEM of leather for Jaguar interiors (Autolux, Autocalf, Vaumol)
Constellium N.V. = Netherlands-based OEM of aluminum extrusions (XE)
Continental AG Germany-based OEM of Jag tires, brake boosters, continuous damping control, FSU, belts
Continental-Teves AG = Germany-based OEM of Jaguar ABS/DSC systems (ATE)
Contitech = OEM of Jaguar door inserts (XF), fuel system membranes (current XJ)
Cooper-Standard = U.S.-based OEM of Jaguar exhaust systems and components
Corus Automotive = OEM of Jaguar bumper covers (XF)
Coventry Timber Bending Co. Ltd. = U.K. OEM of Jaguar wood-rimmed steering wheels
CRANES = Name found on heads of screws and bolts used on some 1960s Jaguars
Csaba Metál Zrt.= Hungary-based OEM of Jaguar high-pressure metal castings (frmly. Majoros)
CTS UK = U.K.-based OEM of Jaguar belt tension sensors (current XJ)
CTS Corp. U.S.-based OEM of Ford/Jaguar throttle position sensors (X300)
Cultraro = OEM of Jaguar storage bin dampers (current XJ)
Dana = Dana/Spicer U.S.-based OEM of Jag axles, diffs, cylinder head gaskets, oil coolers, U-joints
Dayco = OEM of Jaguar idler pulleys and bearings
Dayton Wire Wheels = U.S.-based manufacturer of popular aftermarket wheels for classic Jaguars
Decoma Int’l = U.S.-based OEM of Jaguar bumpers (division of Magna Int’l)
Delanair = U.K.-based OEM of Jaguar climate control systems (formerly Pullman’s, now Valeo)
Delco, AC = U.S.-based OEM of Jaguar brake accumulators, Harrison A/C compressors, much more
Delfingen = OEM of Jaguar wiring protection systems (current XJ)
Delphi = U.S.-based OEM of Jaguar EM components, ACC, steering column modules, fuel filters
DENSO = Japan-based OEM of many Jaguar sensors, EMS, alternators, CC, NAV systems, VVT, etc.
Desmo U.K.-based OEM of Jaguar rear view mirrors into the ‘60s, early SS Jaguar mascots
Deutsch Group SAS = France-based OEM of Jaguar electrical connectors (div. of TE Connectivity)
Diamond Electric Mfg. Corp. Ltd. = Japan-based OEM of Jaguar X300 ignition coils
Donnelly Corp. = U.S.-based OEM of Jaguar electrochromic auto-dim & compass rear view mirrors, now part of Magna (X300, X308, S-Type)
Double Grip = Tradename of Cheney, OEM of worm-drive hose clamps used on classic Jaguars
DOW Chemical = U.S.-based OEM of Jaguar door panel plastics, assembly adhesives

Dowty Group, Ltd. = U.K.-based OEM of oil seals (now a division of Oldham Seals Group)
Dr. Scheider Kunststoffwerke GmbH = Germany-based OEM of Jaguar inner door frame garnish
Dräxlmaier = Germany-based OEM of Jag instrument panels, center consoles, cockpit modules
Ducellier = France-based OEM of Jaguar ignition systems, distributors, coils
Dunlop = U.K.-based OEM of Jaguar wire & racing wheels, brakes, tires & hoses
DuPont = U.S.-based OEM of R-12 Freon A/C refrigerant
Dura = U.S.-based OEM of Jaguar electric parking brakes, adjustable pedal systems, door frames
Eaton = U.S.-based OEM of Jaguar superchargers
Eberspächer Group = Germany-based OEM of Jaguar exhaust components and fuel tanks
Econoseal = Electrical connectors by Tyco Int’l used in many Jaguars (now TE Connectivity)
Ed Jaeger London Ltd. = U.K. factory of French partners Jaeger & LeCoultre, OEM of Jaguar gauges
Edscha Cabrio-Dachsysteme = Germany-based OEM of Jaguar door hinges and door stops (XF, XJ)
ELMOTO = U.K.-based brand of wrenches included in some Jaguar tool kits
ElringKlinger = Germany-based OEM of Jaguar heat shielding, cam covers, transmission internals
Emhart Teknologies = U.S.-based OEM of wheel arch fasteners (XF) (Warren Fasteners) 
EnovaPremier LLC = U.S.-base OEM of Jaguar tire-wheel assemblies (current XJ) (Premier)
Esso = Standard Oil, U.S.-based OEM of Jaguar lubricants, now a trade name of ExxonMobile
EverFlex = brand of British-manufactured flexible PVC vinyl hooding, a fabric- or felt-backed leatherette used on some E-Type hoods / convertible tops
Exxon Mobil = U.S.-based OEM of Jaguar oils and fluids (e.g. Univis hydraulic fluid used in early X100 convertible tops)
Faurecia = France-based OEM of Jaguar seating, interior panels, instrument panels, etc.
Federal-Mogul = U.S.-based OEM of Jaguar pistons, piston rings, camshafts (XK, F-Type, current XJ)
Ferodo = Italy-based OEM of Jaguar brake pads and drive belts (now a div. of Federal-Mogul)
FHP Elmotor Sweden-based OEM of Jaguar windshield wiper motors (possibly via Trico)
FIAMM = Italy-based OEM of Jaguar horns (owner of Klaxon of France)
Ficosa Int’l S.A. = Spain-based OEM of Jaguar door latch cables (XF)
Filtran = U.S.-based OEM of ZF-Jaguar transmission filters
Filrauto = France-based OEM of Jaguar oil filter modules
Ford = Ford Motor Company, owner of Jaguar Motorcars 1989-2008, OEM of many Jaguar parts
FoMoCo = Brand of Ford Motor Company OEM and aftermarket Jaguar parts
Freudenberg & Co. KG = German OEM of O-rings & Simmerring rotary shaft oil seals, original maker of Metalastik bushings
Fuchs, Otto Fuchs KG = Germany-based OEM of Jaguar wheels (Suoftec)
Furflex = Moquette, velour- or velvet-covered edge trim or “draught excluder” used on Jaguars
Fray, J. = U.K.-based OEM of Jaguar cast metal badges and emblems
Garrington, John & Sons Ltd. U.K.-based OEM of Garringtons wrenches in some Jaguar tool kits
Garringtons Brand of John Garrington & Sons Ltd., U.K.-based OEM of wrenches in some Jaguar tool kits
Gate Italy-based OEM of Jaguar cooling fan motors (division of Johnson Electric)
Gates = OEM of Jaguar drive belts and idler pulleys
Gedore = Germany-based OEM of adjustable wrenches in Jaguar tool kits
Gemi = Germany-based OEM of Jaguar screw-and=nut fuel hose clamps up to 1980 (XJS)
GEMS = Generic Engine Management Systems U.K-based OEM of Lucas-Sagem GEMS EMSs (X300, XJS)
General Motors = U.S.-based OEM of Jaguar transmissions, A/C compressors, PS pumps (GM)
Generic Engine Management Systems = U.K-based OEM of Jaguar GEMS EMS (X300, XJS)
Gentex Corp. = U.S.-based OEM of Jag electrochromic rear view mirrors (see Mobileye, ADAS, LKA)
Gerhardi Kunststofftechnick GmbH = Germany-based OEM of Jaguar heat shielding 
Gestamp Automocion SA = Spain-based OEM of Jaguar body components and subframes 
Getrag = Germany-based OEM of Jaguar manual transmissions
Girling, Albert H. = Inventor of SS & Jaguar drum and disc brake systems manufactured by Lucas
Girling, Ltd. = Lucas division combining Girling Brakes, Luvax dampers & Bendix; Jaguar OEM
GKN = U.K.-based OEM of Jag diffs, EAD, ETM, flexible couplings, driveshafts, cast parts, fasteners
GKN Laycock = Successor to Laycock de Normanville, U.K.-based OEM of Jaguar overdrive units
GM = General Motors, U.S.-based OEM of Jaguar transmissions, A/C compressors, PS pumps, more
GMB Corp. = Japan-based OEM of Jaguar U-Joints (GKN Made in Japan)
Goodridge Fluid Transfer Systems = U.K.-based OEM of brake lines and hoses for some Jaguars
Goodyear = U.S.-based OEM of tires for some Jaguar models
Grammer Auto-motive GmbH = Germany-based OEM of Jag video headrests, arm rests (current XJ)
GRIPTITE = Tradename of Jaguar quick-release worm-drive hose clamps made by Magnatex Ltd. aka TEX
Grupo Antolin = Spain-based OEM of Jag headliners, headliner textiles, lighting consoles, sun visors
Guardian = OEM of Jaguar windshield glazing (current XJ)
Guilford Mills, Inc. = U.S.-based OEM of Jaguar headliner & trim textiles (division of Lear Corp.)
Gulton, Inc. = U.S.-based OEM of manifold pressure sensor in Lucas 6CU EFI control unit
Haartz Corp. = U.S.-based OEM of Jaguar cloth convertible tops / soft tops
Harada Industries = OEM of Jaguar power antenna/aerial motors and masts (made in Mexico & Japan)
Hardura = Felt-backed embossed vinyl used for Jaguar interior parts 
Harman/Kardon U.S.-based OEM of Jaguar entertainment systems
Harman Motive Ltd. U.K. division of Harman/Kardon, OEM of Jaguar entertainment systems
Harrison = Brand of A/C compressors used in some Jaguars (frmly. Div of AC Delco, now Delphi)
Hella = Germany-based OEM of Jag lighting & electrical systems, pedal sensors, A/C condensers
Hengst Automotive = Germany-based OEM of Jaguar filters
Henrob = OEM of self-piercing rivets used in Jaguar assembly (current XJ)
Hess & Eisenhardt = U.S.-based OEM of Jaguar-approved sunroofs, XJS convertible conversions from 1986
HEYCO Germany-based OEM of wrenches in some Jaguar tool kits
Hickok Mfg. Co. = U.S. firm of Raymond Hickok, inventor of the seat belt, lic. to Am. Safety Equip. Corp.
Hickok, Raymond = American inventor of the Hickok safety seat belt as dealer-fitted to U.S. Jaguars 
Hirschmann Car Communication = Germany-based OEM of Jaguar power antenna motors and masts
HMI = Human Machine Interface
Honeywell Friction Materials = U.S.-based OEM of Jaguar brake pads, now a div. of Federal-Mogul
Honeywell International, Inc. = U.S.-based OEM of Jaguar turbochargers
Houdaille = OEM of early rotary-style shock absorbers used on the SS-100 and others
HP Pelzer = U.S.-based OEM of Jaguar carpets, soundproofing, complete NVH systems
Huf Hülsbeck & Fürst GmbH = Germany-based OEM of Jaguar lock systems
Hutchinson Fluid Transfer Systems = France-based OEM of brake lines and hoses for some Jaguars
Hydro (Norsk Hydro ASA)= Norway-based OEM of aluminum extrusions
IAC = International Automotive Components U.S.-based OEM of Jag headliners, shocks, plastics
IBS Filtran GmbH: Germany-based manufacturer of filters built into ZF 6HP26 transmission oil sumps
ICI = Imperial Chemical Industries, U.K. OEM of rubber fuel tanks for C- and D-type racing cars
Imperial Chemical Industries Ltd. = ICI, U.K. OEM of rubber fuel tanks for C- and D-type racing cars
INA = Germany-based OEM of Jaguar mechanical tappet valvetrains, engine check valves, belt-drive pulley bearings (Schaeffler)
Inalfa Roof Systems Group B.V. = Netherlands-based OEM of Jaguar sunroofs
Intel Corp. = U.S.-based OEM, with Seeing Machines (w.s.), of Jaguar DMS
ITT Motion Technologies = OEM of Jaguar brake pads (current XJ)
ITW = OEM of Jaguar trunk lid hinges and interior door handles (XF)
J. Fray U.K.-based OEM of Jaguar cast metal badges and emblems
J L French = U.S.-based OEM of Jaguar instrument panels, aluminum castings, camshaft caps
Jaeger London Ltd., Ed =U.K. factory of French partners Jaeger & LeCoultre, OEM of Jaguar gauges
JaguarSport = Joint venture between Jaguar and TWR to create the XJ40 XJR models
Jatco = Japan-based Nissan spin-off and OEM of Jaguar 5-speed automatic transmissions (X-Type (X400))
Johnson Controls = U.S.-based OEM of Jaguar seats, overhead consoles, batteries
Johnson Electric = U.S.-based OEM of Jaguar cooling fan modules (current XJ)
Joseph Lucas Ltd. = England-based OEM of Jaguar lighting, electrics, braking & more (Prince of Darkness)
Jubilee Clips Ltd. = U.K.-based OEM of Jaguar worm-drive hose clamps (See L. Robinson & Co. Ltd.)
Jurid Werke AG = Germany-based OEM of Jaguar flexible couplings, brake pads (div. Federal-Mogul)
JVM Castings = U.K.-based OEM of Jaguar diecast components
Kautex Textron = OEM of plastic fuel tanks (current XJ)
Kelsey-Hayes = U.S. disc brake manufacturer, licensor of Dunlop systems used on Jaguars
Key Safety Systems = U.S.-based OEM of Jaguar steering wheels (XF)
Kiekert = Germany-based OEM of Jaguar locking systems
Kienzle Uhren GmbH = Germany-based OEM of Jaguar dash clocks
King Dick = Abingdon King Dick Tools, U.K.-based OEM of jack ratchets in some Jaguar tool kits
Klaxon = From the Greek klaxo, “to shriek,” France-based OEM of Jaguar horns, owned by FIAMM
Koito Manufacturing = Japan-based OEM of Jaguar lighting (HID, LED, halogen, rear lights)
Kolbenschmidt Pierburg / KSPG AG = Germany-based OEM of Jaguar engine blocks
Kongsberg = OEM of Jaguar bonnet release cables (F-Type)
Kostal UK Ltd. = OEM of Jag switches, modules, JaguarDrive Selector™ (div. Leopold Kostal AG)
Koyo = Japan-based OEM of Jaguar bearings (wheel, hub, differential, etc.) (see SKF, Timken)
Krebsöge = Sintermetallwerk Krebsöge GmbH, Germany-based maker of AJ-V8 fracture-split, sinter forged piston connecting rods
KSPG Automotive AG = Germany-based OEM of Jaguar pistons, door hinges (F-Type)
L. Robinson & Co. Ltd. = Firm of Lumley Robinson, inventor in 1921 of worm-drive clamp (Jubilee Clips)
Laird Technologies PLC = U.K.-based OEM of Jaguar roof antennas (XF, F-Type)
LANXESS Corporation: U.S.-based OEM of Durethan plastic used in ZF 6HP26 transmission oil sumps 
Laycock de Normanville = U.K.-based OEM of Jaguar overdrive units (later GKN Laycock)
Lear Corp. = U.S.-based OEM of Jag seats, memory modules, carpets, NVH insulation, fuse boxes
Leggett & Platt, Inc. = U.S.-based OEM of Jaguar seat suspension systems (XF)
Lemfoerder, Lemförder = Germany-based OEM of Jaguar ball joints, suspension bushings (div. of ZF)
Lemförder, Lemfoerder = Germany-based OEM of Jaguar ball joints, suspension bushings (div. of ZF)
Leoni AG = Germany-based OEM of Jaguar cables
Leopold Kostal AG = German-based parent of Jaguar OEM Kostal UK Ltd.
Leyland Motors = U.K. OEM of Jaguar XK engine cylinder blocks from 1948, eventually owned Jaguar
Linread = Name found on heads of some bolts and screws on Series I E-Types
Litens Automotive Group = Canada-based OEM of Jaguar belt tensioners
Littelfuse = U.S.-based OEM of fuses for Ford-era and later Jaguars (ATO fuses, etc.)
Lockheed Hydraulic Brake Works Ltd. = U.K. OEM of Jaguar braking systems under license (see AP)
Lougheed or Loughead, Malcom = Inventor of 1918 hydraulic brake system, changed name to Lockheed
Lucar = Brand name of bladed electrical connectors by Lucas
Lucas Industries Ltd. = Successor to Joseph Lucas Ltd., now owned by TRW
Lucas, Joseph Ltd. = England-based OEM of Jaguar lighting, electrics, braking & more (Prince of Darkness)
LuK GmbH & Co. KG = Germany-based OEM of Jag clutch discs, flywheels, drive chains (Schaeffler)
Luvax = U.K.-based OEM of SS-100 hydraulic shock absorbers, later div. of Lucas/Girling
Luvax-Girling = Lucas division and OEM of hydraulic dampers for XK120 and others
Luxan = Dye-enhanced-grain grade of Connolly Vaumol™ leather (see Autolux, Autocalf)
Lydall Thermal Acoustical, Inc. = U.S.-based OEM of Jaguar heat shielding
Mabuchi = OEM of small electric motors used in Jaguar door lock actuators
Maflow Group = Poland-based OEM of A/C hoses and other fluid handling hoses
Magna Int’l = Canada-based OEM of aluminum bodies, headlamps, Donnelly mirrors, oil pumps, rear cameras
Magna Steyr = Canada-based OEM of Jaguar thermostats (XF), oil pumps (current XJ)
Magnatex Ltd. = U.K.-based OEM of Jag quick-release worm-drive hose clamps marked GRIPTITE & TEX
Magneti Marelli S.p.A. = Italy-based OEM of Jaguar ignition systems, front and rear lights
Mahle = Germany-based OEM of Jag pistons, engine parts, filters, ill-fated Nikasil cylinder coating
Maier UK Ltd. = U.K. division of Spain-based OEM of Jaguar radiators (XF)
Mann+Hummel = Germany-based OEM of Jaguar air intakes, air/fluid filters, pressure regulating valves
Marchal = France-based OEM of Jaguar headlamps, now a brand of Valeo (w.s.)
Majoros Metál Nyomásos Öntöde Kft. = Predecessor to Csaba Metál Zrt. (w.s.)
Marelli, Magneti Marelli S.p.A. = Italy-based OEM of Jaguar ignition systems, front and rear lights
Marston Excelsior Ltd. / ND Marsten Ltd. = U.K. OEM of Jaguar radiators (now DENSO Marsten Ltd.)
Martinrea Int’l Inc. = Canada-based OEM of Jaguar aluminum subframes and shock towers
May Fireball Engine = Michael May designed High-compression stratified charge V12 HE head (AIR)
May, Michael = Designer of the Jag V12 HE high-compression stratified charge cylinder head (AIR)
MB = Mercedes-Benz, Germany-based OEM of automatic transmissions in some Jags (X308, X100)
Menard Engineering = New owner of Jaguar OEM TRW design, engineering and manufacturing
Mercedes-Benz = Germany-based OEM of automatic transmissions in some Jaguars (X308, X100)
Meridian Audio = U.K.-based OEM of Jaguar premium audio entertainment systems
Meridian Lightweight Technologies, Inc. = U.S.-based OEM of Jaguar magnesium cross beams (XJ, XE)
Metalastik Trademarked rubber/metal bonded isolation bushes & harmonic dampers by Trelleborg AB 
Methode Electronics = U.S.-based OEM of Jaguar switches (Start-Stop, trunk release), SCUs
Michelin = France-based OEM of tires for some Jaguars
Mini-lite = U.K.-based maker of alloy wheels retro-fitted to classic racing Jaguars
Mintex UK Ltd. = U.K.-based OEM of Jaguar drive belts; brake pads from 50s LeMans winners to today
MIT AgeLab = Partner with Jaguar, DENSO and Touchstone Evaluations in HMI research
Mobil = Brand of multinational ExxonMobil, supplier of lubricants and Univis hydraulic fluid used in early X100 convertible top systems
Mobileye = Netherlands-based OEM of Jaguar ADAS & LKA in latest Gentex rear-view mirrors
Modu = Brand of Jaguar electrical connectors by AMP (now TE Connectivity)
Molex = U.S.-based OEM of many Jaguar electrical connectors (now a div. of Koch Industries)
MOMO Italy Sri. = Italy-based maker of aftermarket sports and racing steering wheels for Jaguars
Moog = U.S.-based OEM of Jaguar U-joints and other components (div. of Federal-Mogul)
Moquette = Furlex, velour-/velvet-covered edge trim or “draught excluder” used on many Jaguars
Moss Gear Co. Ltd. = U.K. designer and OEM of gearboxes used in all Jaguars to 1965
Moto-Lita = U.K.-based maker of classic wood-rim OE and aftermarket Jaguar steering wheels
Motorcraft = Ford parts division, OEM of electrical connectors, switches, etc.
Multi-Lok = Brand of Jaguar electrical connectors by AMP (now TE Connectivity)
Multimatic Mechanisms = Canada-based OEM of Jaguar door hinges, APP hood hinges
Nacam = Germany-based OEM of Jaguar steering columns (division of ZF)
NAK Sealing Technologies Corp. = Taiwan-based OEM of Jaguar rotary-shaft seals
Nardi Torino = Italy-based maker of dealer-option wood-rim steering wheels for classic Jaguars
ND Marston Ltd. / Marston Excelsior Ltd. = U.K. OEM of Jaguar radiators (now DENSO Marsten Ltd.)
Nemak Dillingen GmbH = Germany-based OEM of Jaguar cylinder heads and engine blocks
Newton = Name found on heads of some bolts and screws on Series I E-Types
NGK = Japan-based OEM of Jaguar spark plugs, oxygen sensors
Nidec Motors & Actuators Japan-based OEM of Jaguar ABS & sunroof motors (now owns SWF)
Nifco UK = Div. of Japan-based OEM of Jaguar molded plastic parts and components
Nishikawa Rubber Co. = Japan-based OEM of Jaguar door, glass and body seals
Nivocode = France-based Lockheed associate, OEM of Jag brake fluid reservoir caps & level indicators
Norma Group = Germany-based OEM of Jaguar worm-drive hose clamps
Novelis, Inc. = Canada-based OEM of Jaguar aluminum sheet & body panels
NTN Bearing Corp. = U.S.-based OEM of Jaguar rear axle bearings (XF)
NSK Steering = Japan-based OEM of Jaguar steering columns
Odenwald-Chemie GmbH = Germany-based OEM of Jaguar soundproofing
OETIKER = U.S.-based OEM of Jaguar single-ear pinch clips used on non-pressurized hoses (XJS)
Oiles America = U.S.-based OEM of Jaguar door hinge bushings (XF)
Olho Technik Czech S.R.O. = Czech Republic-based OEM of Jaguar cupholder consoles (current XJ)
Pagid GmbH = Germany-based OEM of Jaguar brake pads (now Hella Pagid Brake Systems GmbH)
Pektron U.K.-based OEM of Jaguar relays, fuel pump relays, diode packs, etc.
Pelzer = HP Pelzer U.S.-based OEM of Jaguar carpets, soundproofing, complete NVH systems
Pentosin = Deutsche Pentosin-Werke GmbH, Germany-based OEM of brake & hydraulic fluids (e.g. X100 convertible top CHF 11S hydraulic fluid)
Perspex = Plexiglas, acrylic glass substitute
Pierburg GmbH = Germany-based OEM of Jaguar electric fuel pumps (X350)
Pilkington Group, Ltd. = U.K.-based OEM of Jaguar glazing, now using Sundym tradename (see Triplex)
Pininfarina S.p.A., Carrozzeria = Italy-based auto design firm responsible for the Jaguar XJ6 Series III
Piolax, Inc. = Japan-based OEM of Jaguar glovebox dampers
Pirelli e C. S.p.A. = Italy-based OEM of tires for many Jaguars
Plastic Omnium = France-based OEM of Jaguar bumper covers (XF)
Plexiglas = Perspex, acrylic glass substitute
Polynorm = Netherlands-based OEM of Jaguar aluminum body components in J.V. with Stadco (w.s.)
Powr-Lok = Dana/Spicer heavy-duty Limited Slip Differential used in some Jaguars
Precision Drivetrain = U.S.-based OEM of Jaguar U-joints (now part of Federal-Mogul/Moog)
Premier, EnovaPremier LLC = U.S.-based OEM of Jaguar tire-wheel assemblies (current XJ)
Pressed Steel, Ltd. = U.K.-based OEM that provided post-WWII Jaguar bodies 
Prince of Darkness, The = Nickname for Lucas Industries based on perceived lack of reliability
Proos Manufacturing = U.S.-based OEM of grilles on some modern Jaguars
QNX Software Systems = Canada-based OEM of technology underlying Jaguar VIC systems
Raymond, A = A.Raymond Tinnerman U.S.-based OEM of adhesives used in Jaguar assembly
RB&W = U.S.-based OEM of Jaguar body panel **** nuts (panel-mounted threaded fasteners)
Recaro GmbH & Co. KG = Germany-based OEM of premium Jaguar sports seats
Regent = U.K. OEM of Jaguar worm-drive hose clamps
Reservac = Brand of Jaguar vacuum reservoir tanks produced by Trico (w.s.)
Reynolds Metals Co. = U.S. OEM of 531 alloy square-section steel tubing used in E-Type front subframe
Richards = Tradename on screws and bolts used on 1960s Jaguars, possibly by Richards & Allan Ltd.
Richards & Allan Ltd. = Possibly the OEM of Richards screws and bolts used on 1960s Jaguars
Rieter = Germany-based OEM of Jaguar carpets, soundproofing, panel liners
Rists = U.K.-based OEM of Jaguar spark plug cables & electrical components (now Lucas Rists/Leoni AG)
Röchling, Roechling Auto. = Germany-based OEM of Jag plastic windshield cowls, air ducts, etc.
Rode & Shwalenberg = Germany-based OEM of Jaguar convertible tops made of Sonnenland canvas hoods / convertible tops (now owned by Haartz)
Roechling, Röchling Auto. = Germany-based OEM of Jag plastic windshield cowls, air ducts, etc. 
ROS = Name found on heads of screws and bolts used on some 1960s Jaguars
ROT = Name found on heads of screws and bolts used on some 1960s Jaguars
Rotunda Tools = Maker of Jaguar dealership specialty service tools (Division of SPX and now owned by Bosch)
Rubery Owen Holdings Ltd. = U.K. OEM of bolts and screws used on some 1960s Jaguars (E-Type)
Rudge-Whitworth = U.K.-based bicycle-motorcycle maker and OEM of Jaguar wire wheels
Sachs = Germany-based OEM of shock absorbers, Stabilus hood/trunk lift support struts, etc. (div. ZF)
Saginaw Steering Gear = U.S.-based OEM of Jaguar tilt steering wheels (Now Nexteer div. of GM)
Saint-Gobain Sekurit = France-based OEM of Jaguar glazing
Sameer = India-based OEM of Jaguar wheel bearing grease seals
Sanden = OEM of Jaguar A/C compressors (XJ40 to current XJ at least)
SAPA = OEM of Jaguar aluminum extrusions & body components (latest XJ, XE) (now owned by Hydro)
Scapa Tapes, Ltd. = U.K.-based OEM of adhesive tapes used in Jaguar assembly
Schaeffler AG = Germany-based OEM of Jaguar needle bearings, variable valve lift systems, etc.
Schefenacker (Visiocorp) = Germany-based OEM of Jaguar mirrors
Scherdel GmbH = Germany-based OEM of Jaguar engine valve springs (XF)
Scottish Stamping & Engineering Co. = U.K. OEM of Jaguar crankshafts
Seeber = Germany-based OEM of Jaguar soundproofing
Seeing Machines = U.S.-based OEM, with Intel Corp. (w.s.), of Jaguar DMS
Sertec Group = U.K.-based OEM of Jaguar steel & aluminum pressings, press tooling, exhaust tips
Sevex = Swiss-based OEM of Jaguar heat shielding (now owned by ElringKlinger)
SGF = Germany-based OEM of flexible couplings (flex discs, Jurids, Giubos)
Sheffield Steel Products SSP, U.K.-based OEM of wrenches & screwdrivers in Jag tool kits from mid-60s
Shell Oil Co. = Royal Dutch Shell, Netherlands-based OEM of Jaguar lubricants, brake fluid, etc.
SICURSIV = Trademark of Societa Italiana Vetro SIV S.p.A., Italy-based OEM of Jaguar Climaglass glazing
Sidler GmbH = Germany-based OEM of Jaguar interior lighting (XF)
Siemens VDO Germany-based OEM of Jaguar air intake systems, anti-theft alarm control modules, etc.
Simmerring = Trademark engine & transmission rotary shaft oil seals by Freudenberg (w.s.)
Sintercast = OEM of Jaguar cylinder blocks (XF and current XJ) (see Tupy)
Sintermetallwerk Krebsöge GmbH or Krebsöge = Germany-based maker of AJ-V8 fracture-split, sinter forged piston connecting rods
SKF Svenska Kullagerfabriken AB = Sweden-based OEM of Jaguar bearings (wheel, differential, etc.)
Smith, Thomas & Sons of Saltley Ltd. U.K.-based OEM of Snail Brand wrenches in some Jaguar tool kits 
Smith-Clayton Forge Ltd. = U.K. OEM of Jaguar crankshafts
Smiths Group plc = U.K.-based OEM of classic Jaguar dash gauges, clocks and instruments
SMR Automotive Mirrors UK = U.K.-based OEM of Jaguar exterior mirrors (current XJ)
Snail Brand = Brand of Thomas Smith & Sons of Saltley Ltd., U.K.-based OEM of Jag tool kit wrenches
Snap-On = U.S.-based OEM of Jaguar-recommended tools for dealership/main agent service shops
Societa Italiana Vetro SIV S.p.A. = Italy-based OEM of SICURSIV Climaglass brand of Jaguar glazing
Sole S.p.A. = Italy-based OEM of Jaguar exterior fender vents (F-Type)
Solex UK = U.K. Division of Solex in France and OEM of the Zenith-Stromberg carburetors
Southco, Inc. = U.S.-based OEM of Jaguar electro-mechanical glove box latches (XF)
Sovy, U.K. = OEM of Jaguar brake fluid reservoir caps and level indicators (now owned by SNG Barratt)
**** Nuts = Panel-mounted threaded fasteners made by RB&W (w.s.)
Spicer = Dana/Spicer (w.s.)
SRG Global, Inc. = U.S.-based OEM of Jaguar “lateral fenders” (current XJ)
SSP Sheffield Steel Products, U.K.-based OEM of wrenches & screwdrivers in Jag tool kits from mid-60s
Stabilus GmbH = Germany-based OEM of Jaguar hood and trunk lift support struts (div. of Sachs/ZF)
Standard Motor Co. = U.K.-based firm that supplied chassis and engines for early SS cars
Stadco = U.S.-based OEM of Jaguar BIW pressings and body subassemblies
Stankiewicz GmbH = Germany-based OEM of Jaguar soundproofing
Stant Manufacturing = U.S.-based OEM of Jaguar fuel filler caps (XK, XF)
Stockinette Fabric covering on classic Jaguar cooling hoses
S.U. or SU = Skinners Union, U.K.-based OEM of Jaguar carbs, fuel pumps, etc.
Suoftec = Germany-based OEM of Jaguar wheels (division of Otto Fuchs KG) 
Swallow Sidecar Company = Founded in 1922, became SS Cars Ltd. in 1934, Jaguar Cars Ltd. in 1945
SWF Spezial Werkzeugfabrik, German OEM of Jag wiper, window & sunroof motors; parking aid modules
T. Williams Company = T/W or TW, U.K.-based OEM of wrenches in Jaguar tool kits
Tata Motors = India-based owner of Jaguar since 2008
TEC = TE Connectivity (w.s.)
TE Connectivity = U.S.-based OEM of Jaguar elec. connectors (AMP, Augat, Deutsch, Econoseal, etc.)
Tecalemit Garage Equipment Co. Ltd. = U.K.-based OEM of grease guns in Jaguar tool kits
Teleflex Fluid Systems = U.K.-based OEM of Teflon/PTFE hoses for Jaguars
Telford UK = OEM of Jaguar brake lines
Tenneco = U.S.-based OEM of Jaguar exhaust systems and components
Tesa Tape, Inc. = U.S.-based OEM of pressure-sensitive tapes used in Jaguar assembly
Teves = Germany-based OEM of Jag braking systems, lateral accelerometers, ESC (ATE, Continental)
TEX = Marking on “GRIPTITE” quick-release worm-drive hose clamps made by Jag OEM Magnatex, Ltd.
Textar = Germany-based OEM of Jaguar brake pads, division of TMD Friction
Textron = U.S.-based OEM of Jaguar headlamp washer jets
Thomas Smith & Sons of Saltley Ltd. = U.K.-based OEM of Snail Brand wrenches in some Jaguar tool kits
ThyssenKrupp AG = Germany-based OEM of Bilstein shocks, steering columns, cams, coil springs
TI Automotive = U.K.-based OEM of Jaguar brake lines, fuel tanks, fuel pumps (Walbro)
Ticona = U.S.-based OEM of Celstran plastic used in many modern Jaguar parts (now Celanese)
Timken = U.S.-based OEM of Jaguar bearings (wheel, hub, differential, etc.) (see Koyo, SKF)
Tom Walkinshaw Racing = TWR, partner in JaguarSport and TWR special edition models (not to be confused with TRW)
Touchstone Evaluations = Partner with Jaguar, DENSO and MIT AgeLab in HMI research
Trelleborg AB = Sweden-based OEM of Metalastik rubber/metal bonded isolation bushes
Trico = U.S.-based OEM of Jaguar wiper blades, wiper motors (FHP Elmotor), Reservac vacuum reservoirs
Tridon = U.S.-based OEM of Canadian-made Jaguar worm-drive hose clamps (XJS)
Triplex Safety Glass Co. Ltd. = U.K.-based OEM of Jaguar glazing, including Sundym tinted glass
TRW Automotive = U.S.-based OEM of Jag brakes, airbags, much more (not to be confused with TWR)
Tuffelt = Thick felt fabric used for sound-deadening and padding in Jaguar interiors 
Tupy = Brazil-based OEM of Jaguar engine cylinder blocks (shares the contract with Sintercast)
T/W or TW = T. Williams Company, U.K.-based OEM of wrenches in Jaguar tool kits
TWR = Tom Walkinshaw Racing, partner in JaguarSport and TWR special edition models (not to be confused with TRW)
Tyco International Ltd. = U.S.-based OEM of Jaguar AMP & Econoseal electrical connectors (TEC)
Unbrako U.K.-based OEM of Jaguar screws & other fasteners; GEOMET brake rotor coating
Unipart Group = U.K.-based OEM of Jaguar fuel tanks, exhaust systems and components
Univis = Brand of hydraulic fluid by Mobil (ExxonMobil) used in early X100 convertible top systems; replaced by Pentosin CHF 11S
United Technologies Corp. = U.S.-based OEM of Ford/Jag elec. distribution systems, fuse boxes, etc.
U.T. = United Technologies (w.s.)
Valeo SA = France-based OEM of Jaguar headlamps & other lighting, filters, PAS, BSD, gear motors, locking, etc.
Varta = Germany-based OEM of Jaguar batteries, division of Johnson Controls (w.s.)
Vaumol = Trademarked natural-grain grade of Connolly Leather (see Autolux, Autocalf)
VDO = Germany-based OEM of Jaguar door lock actuators, electronics, etc.
VI = Virtual Instruments, Virtual Instrument Cluster (dev. for Jaguar by VST and QNX) (DIC, VIC)
Vibracoustic / Trelleborg Vibracoustic GmbH = Germany-based OEM of Jaguar engine mounts
Visiocorp (Schefenacker) = Germany-based OEM of Jaguar mirrors
Visteon Corp. = U.S.-based OEM of Jaguar IPs, PTEC, axles, locking, seatbelts, airbags, much more
Visteon Software Technologies = France-based OEM of Jaguar VIC and RSIS (div. Visteon Corp.)
V.L. Churchill & Co. Ltd. = U.K.-based OEM of special service tools for Jaguar dealerships/agents
VoestAlpine Steel = Austria-based OEM, parent of Polynorm (w.s.)
VST = Visteon Software Technologies (w.s.)
w.s. = Which See, see the separate entry in this list
Wabco = Germany-based OEM of Jaguar air suspension systems, air compressors, ASMs, etc.
Wahler GmbH = Germany-based OEM of Jaguar thermo switches, thermostats, EGR valves, etc.
Walbro = U.S.-based OEM of Jaguar fuel pumps, now owned by TI Automotive
Warren Fasteners = U.S.-based OEM of wheel arch fasteners (XF) (now Emhart Teknologies/Stanley)
Waxstat = Jaguar OEM cooling thermostats made by Western Thomson Plastics Ltd.
Waxoyl AG = Germany-based OEM of Jaguar rustproofing products
Webasto = Germany-based OEM of Jaguar CC systems, sunroofs, convertible tops, panorama sunroofs
Weber = U.S.-based OEM of Carburetors, Carburators, Carburettors, Carburetters
Weslake Research & Development = U.K. firm of Jaguar engine tuning engineer Harry Weslake
West Yorkshire Foundries = U.K. OEM of Jaguar cylinder heads
Westcast Industries Inc. = Canada-based OEM of Jaguar cast & machined intake & exhaust manifolds
Western Thomson Plastics Ltd. = UK-based OEM of Jaguar Waxstat cooling thermostats
Whiston Industries Ltd. = England-based supplier of tooling for aluminum body panels (X150)
William Mills = U.K. OEM of Jaguar cylinder heads
Wilmot Breeden = U.K.-based OEM of brightwork on SS cars and leapers on early Jaguar cars
Wilton Wool = U.K. OEM of Jaguar floor mats
Woco Gruppe GmbH = OEM of Jaguar fuel pump covers (current XJ), injector socks (3.0L V6 D)
w.s. = Which See, see the separate entry in this list
Yazaki Corp. = Japan-based OEM of Jaguar EEDS (XF)
Zenith = U.K.-based OEM of Zenith-Stromberg Carburettors, owned by Solex UK
ZF Friedrichshafen AG = German-based OEM of Jag transmissions, steering racks, power steering pumps, chassic parts, etc.
Zytek Systems = U.K.-based OEM of EMS ignition/injection for some XJ-S and XJR-S