SIC 37 — Transportation Equipment
This major group includes establishments engaged in manufacturing equipment for transportation of passengers and cargo by land, air, and water.
- 37 Major group
- 371 Industry group
- 3713 Official SIC code
- 3713-01 SIC Marketing Level
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Motor Vehicles and Motor Vehicle Equipment 5 official SIC industries5 official SIC industries
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Truck and Bus Bodies 5 SIC Marketing Level categories
- 3713-01Buses-Bodies (Manufacturing) 7 companies
- 3713-02Automobile Wreckers (Manufacturing) 90 companies
- 3713-03Truck Bodies (Manufacturing) 114 companies
- 3713-04Truck Sleepers (Manufacturing) 3 companies
- 3713-98Truck & Bus Bodies (Manufacturing) 70 companies
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Motor Vehicle Parts and Accessories 28 SIC Marketing Level categories
- 3714-01Automobile Parts & Supplies (Manufacturing) 1,250 companies
- 3714-02Automobile Racing/Sports Car Equipment (Manufacturing) 38 companies
- 3714-03Automobile Radiator (Manufacturing) 38 companies
- 3714-04Automobile Repair/Service Equipment & Supplies (Manufacturing) 1,629 companies
- 3714-05Cylinder Heads (Manufacturing) 4 companies
- 3714-06Fuel Injection Equipment & Service (Manufacturing) 11 companies
- 3714-07Mufflers & Exhaust Systems-Engine (Manufacturing) 29 companies
- 3714-09Shock Absorbers (Manufacturing) 36 companies
- 3714-10Truck Equipment & Parts (Manufacturing) 426 companies
- 3714-11Brakes (Manufacturing) 60 companies
- 3714-12Filters-Fuel & Oil (Manufacturing) 9 companies
- 3714-13Transmissions-Parts & Supplies (Manufacturing) 41 companies
- 3714-14Transmissions-Automobile (Manufacturing) 17 companies
- 3714-15Floats-Mechanical (Manufacturing) 3 companies
- 3714-16Automobile Bumpers Guards & Grills (Manufacturing) 3 companies
- 3714-17Automobile (Manufacturing) Equipment Supl (Manufacturing) 75 companies
- 3714-18Boat Trailer Tires & Wheels (Manufacturing) 11 companies
- 3714-19Axles (Manufacturing) 9 companies
- 3714-20Bearings-Rebabbitting (Manufacturing) 5 companies
- 3714-22Clutches (Manufacturing) 8 companies
- 3714-23Joints-Ball (Manufacturing) 1 company
- 3714-24Engines-Supplies Equipment ment & Parts (Manufacturing) 38 companies
- 3714-25Automobile Power Steering (Manufacturing) 3 companies
- 3714-26Drive Shafts-Industrial (Manufacturing) 43 companies
- 3714-27Brake Service Equipment (Manufacturing) 1 company
- 3714-28Radiators-Heating (Manufacturing) 18 companies
- 3714-29Steering Systems & Equipment (Manufacturing) 20 companies
- 3714-30Windshield Wipers (Manufacturing) 1 company
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Truck Trailers 2 SIC Marketing Level categories
- 3715-01Trailers-Industrial (Manufacturing) 13 companies
- 3715-02Trailers-Truck (Manufacturing) 213 companies
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Motor Homes 2 SIC Marketing Level categories
- 3716-01Motor Homes (Manufacturing) 14 companies
- 3716-02Van Conversions (Manufacturing) 6 companies
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Motor Vehicles and Passenger Car Bodies 11 SIC Marketing Level categories
- 3711-01Recreational Vehicles & Campers (Manufacturing) 39 companies
- 3711-02Automobile (Manufacturing) 213 companies
- 3711-03Automobile Body (Manufacturing) 52 companies
- 3711-04Electric Cars-Automobile (Manufacturing) 44 companies
- 3711-05Ambulances & Hearses (Manufacturing) 13 companies
- 3711-06Armored Car (Manufacturing) 4 companies
- 3711-07Fire Trucks (Manufacturing) 16 companies
- 3711-08Buses (Manufacturing) 21 companies
- 3711-09Truck (Manufacturing) 54 companies
- 3711-10Towing Equipment-Automotive (Manufacturing) 29 companies
- 3711-98Motor Vhcls/Passenger Car Bodies (Manufacturing) 153 companies
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Aircraft and Parts 3 official SIC industries3 official SIC industries
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Aircraft 8 SIC Marketing Level categories
- 3721-01Aircraft (Manufacturing) 440 companies
- 3721-02Aircraft Interior Redesigning (Manufacturing) 81 companies
- 3721-03Aircraft/Aircraft Equipment Testing (Manufacturing) 12 companies
- 3721-04Balloons-Hot Air (Wholesale) (Manufacturing) 22 companies
- 3721-05Helicopter (Manufacturing) 9 companies
- 3721-06Gliders (Manufacturing) 12 companies
- 3721-07Aircraft Designing (Manufacturing) 4 companies
- 3721-08Hovercraft (Manufacturing) 4 companies
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Aircraft Engines and Engine Parts 4 SIC Marketing Level categories
- 3724-01Aircraft Engines (Manufacturing) 5 companies
- 3724-02Aircraft Tooling (Manufacturing) 4 companies
- 3724-03Jet Propulsion Equipment (Manufacturing) 7 companies
- 3724-98Aircraft Engines & Engine Parts (Manufacturing) 314 companies
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Aircraft Parts and Auxiliary Equipment, Not Elsewhere Classified 14 SIC Marketing Level categories
- 3728-01Aircraft Components (Manufacturing) 831 companies
- 3728-02Aircraft Equipment Parts & Supplies (Manufacturing) 80 companies
- 3728-03Aircraft Machine Work (Manufacturing) 6 companies
- 3728-04Aircraft Ground Support & Service Equipment (Manufacturing) 6 companies
- 3728-05Aircraft Modifications (Manufacturing) 7 companies
- 3728-06Aircraft Parts-Assemblers (Manufacturing) 7 companies
- 3728-07Aircraft Flight Training Equipment (Manufacturing) 15 companies
- 3728-08Aircraft Oxygen Systems (Manufacturing) 2 companies
- 3728-09Aircraft Research & Development (Manufacturing) 2 companies
- 3728-10Helicopter Equipment & Parts & Supplies (Manufacturing) 9 companies
- 3728-11Propellers (Airplane (Manufacturing)) 8 companies
- 3728-12Refueling Systems (Manufacturing) 1 company
- 3728-13Pilots Equipment & Supplies (Manufacturing) 10 companies
- 3728-14Aircraft Industrial Fasteners (Manufacturing) 64 companies
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Ship and Boat Building and Repairing 2 official SIC industries2 official SIC industries
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Boat Building and Repairing 10 SIC Marketing Level categories
- 3732-01Boats (Manufacturing) 452 companies
- 3732-02Boat Equipment & Supplies (Manufacturing) 72 companies
- 3732-03Canoe (Manufacturing) 3 companies
- 3732-04Marine Equipment & Supplies (Manufacturing) 51 companies
- 3732-05Houseboats (Manufacturing) 11 companies
- 3732-06Yachts (Manufacturing) 8 companies
- 3732-07Yachts Repairing (Manufacturing) 33 companies
- 3732-08Watercraft-Personal-Service Repair (Manufacturing) 32 companies
- 3732-09Windsurfing (Wholesale) (Manufacturing) 8 companies
- 3732-98Boat Part-Used & Rebuilt (Manufacturing) 100 companies
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Ship Building and Repairing 3 SIC Marketing Level categories
- 3731-01Ship Builders & Repairers (Manufacturing) 438 companies
- 3731-02Barges (Manufacturing) 38 companies
- 3731-04Ship Yards (Manufacturing) 10 companies
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Railroad Equipment 1 official SIC industry1 official SIC industry
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Railroad Equipment 5 SIC Marketing Level categories
- 3743-01Railroad Cars (Manufacturing) 29 companies
- 3743-03Locomotives (Manufacturing) 14 companies
- 3743-04Railroad Equipment (Manufacturing) 110 companies
- 3743-05Dining Car Builders (Manufacturing)
- 3743-06Locomotive Rebuilding (Manufacturing) 8 companies
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Motorcycles, Bicycles, and Parts 1 official SIC industry1 official SIC industry
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Motorcycles, Bicycles, and Parts 6 SIC Marketing Level categories
- 3751-01Cycle Accessory (Manufacturing) Wholesalers 18 companies
- 3751-02Bicycle Fabricators (Manufacturing) 28 companies
- 3751-03Motorcycles Supplies & Parts (Manufacturing) 117 companies
- 3751-04Motorcycles & Motor Scooters (Manufacturing) 50 companies
- 3751-05Motorcycles-Custom Built (Manufacturing) 17 companies
- 3751-98Motorcycle-Bicycle & Parts (Manufacturing) 121 companies
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Guided Missiles and Space Vehicles and Parts 3 official SIC industries3 official SIC industries
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Guided Missiles and Space Vehicles 3 SIC Marketing Level categories
- 3761-01Missile & Rocket (Manufacturing) 37 companies
- 3761-02Space Research & Development (Manufacturing) 13 companies
- 3761-98Guided Missile & Space Vehicle (Manufacturing) 75 companies
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Guided Missile and Space Vehicle Propulsion Units and Propulsion Unit Parts 1 SIC Marketing Level category
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Guided Missile Space Vehicle Parts and Auxiliary Equipment, Not Elsewhere Classified 3 SIC Marketing Level categories
- 3769-01Missile & Rocket Research & Dev (Manufacturing) 2 companies
- 3769-02Space Components & Systems (Manufacturing) 18 companies
- 3769-98Guided Missile/Spc Vhcl-Parts NEC (Manufacturing) 30 companies
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Miscellaneous Transportation Equipment 3 official SIC industries3 official SIC industries
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Travel Trailers and Campers 4 SIC Marketing Level categories
- 3792-01Trailer (Manufacturing) Designers 185 companies
- 3792-02Trailers-Camping & Travel (Manufacturing) 70 companies
- 3792-03Truck Caps & Shells (Manufacturing) 8 companies
- 3792-04Campers & Pick-Up Coaches (Manufacturing) 3 companies
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Tanks and Tank Components 1 SIC Marketing Level category
- 3795-98Tanks & Tank Components (Manufacturing) 115 companies
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Transportation Equipment, Not Elsewhere Classified 17 SIC Marketing Level categories
- 3799-01Manufacturers-Trailers 55 companies
- 3799-02Manufacturers-Snowmobiles 1 company
- 3799-03Recreational Vehicles Equipment & Parts (Manufacturing) 16 companies
- 3799-04Snowmobile Equipment ment/Supplies (Manufacturing) 5 companies
- 3799-05Trailer Hitches (Manufacturing) 5 companies
- 3799-06Trailers-Automobile Utility (Manufacturing) 68 companies
- 3799-07Trailers-Boat (Manufacturing) 11 companies
- 3799-08Trailers Equipment ment & Parts (Manufacturing) 7 companies
- 3799-09All Terrain Vehicles (Manufacturing) 16 companies
- 3799-10Golf Cars & Carts (Manufacturing) 10 companies
- 3799-11Karts-Motorized (Manufacturing) 6 companies
- 3799-12Trailers-Horse (Manufacturing) 8 companies
- 3799-13Trailers-Motorcycles (Manufacturing) 10 companies
- 3799-14Trailers-Office (Manufacturing) 1 company
- 3799-15Wheels & Castors (Manufacturing) 19 companies
- 3799-16Trailers Cargo (Manufacturing) 41 companies
- 3799-98Transport Equipment (Manufacturing) 104 companies
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Sources and methodology
Official SIC definitions: OSHA SIC Manual. Company counts: SICCODE.com's continuously maintained commercial business database. Classification Methodology.
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Questions & answers
Which industries are included in SIC 37?
SIC 37 is the Transportation Equipment major group, part of Division D: Manufacturing. It includes 7 industry groups: Motor Vehicles and Motor Vehicle Equipment, Aircraft and Parts, Ship and Boat Building and Repairing, Railroad Equipment, Motorcycles, Bicycles, and Parts, Guided Missiles and Space Vehicles and Parts and Miscellaneous Transportation Equipment.
What SIC code levels are on this page?
A major group such as SIC 37 contains 3-digit industry groups. Each industry group contains official 4-digit SIC codes from the OSHA SIC Manual. Many of those codes also list 6-digit SIC marketing level codes for a narrower product or activity.
How do I select companies for a business list?
Open an industry group to expand it in place. Use Expand all or Collapse all as needed. Use + Add on an official 4-digit SIC code or a 6-digit marketing level code. Adding a marketing level code does not add its 4-digit parent. Selected codes stay in My Business List.
How many transportation equipment companies does SICCODE.com track?
SICCODE.com tracks 9,837 available U.S. companies classified under SIC 37 — Transportation Equipment. These figures come from SICCODE.com's maintained commercial business database and represent companies available for targeted business lists, not official government census totals.
Explore the categories above for more specific industries and their available company counts.
Can I get a list of transportation equipment companies with executive contacts and business emails?
Yes. SICCODE.com provides targeted business lists for Transportation Equipment, including more specific industries such as Motor Vehicles and Motor Vehicle Equipment, Aircraft and Parts, Ship and Boat Building and Repairing, and Railroad Equipment.
Lists can be filtered by geography, company size, and industry specialization. Available contacts may include owners, executives, and other decision-makers. Business email addresses are available as an optional addition, depending on contact availability.
Select industries using + Add above to build your list and request pricing and a free sample.