- 3592 - Carburetors, Pistons, Rings And Valves (5 Companies)
- 3599 - Industrial Machinery (8 Companies)
- 3635 - Household Vacuum Cleaners (2 Companies)
- 3651 - Household Audio And Video Equipment (1 Company)
- 3663 - Radio And Tv Communications Equipment (7 Companies)
- 3669 - Communications Equipment (1 Company)
- 3691 - Storage Batteries (2 Companies)
- 3699 - Electrical Equipment And Supplies (16 Companies)
- 3711 - Motor Vehicles And Car Bodies (1 Company)
- 3714 - Motor Vehicle Parts And Accessories (5 Companies)
- 3731 - Shipbuilding And Repairing (17 Companies)
- 3732 - Boatbuilding And Repairing (4 Companies)
- 3792 - Travel Trailers And Campers (3 Companies)
- 3799 - Transportation Equipment (1 Company)
- 3812 - Search And Navigation Equipment (1 Company)
- 3829 - Measuring And Controlling Devices, Nec (1 Company)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (5 Companies)
- 3851 - Ophthalmic Goods (1 Company)
- 3911 - Jewelry, Precious Metal (1 Company)
- 3949 - Sporting And Athletic Goods (5 Companies)
- 3993 - Signs And Advertising Specialties (13 Companies)
- 4111 - Local & Suburban Transit (4 Companies)
- 4119 - Local Passenger Transportation (18 Companies)
- 4121 - Taxicabs (5 Companies)
- 4131 - Intercity & Rural Bus Transportation (4 Companies)
- 4141 - Local Bus Charter Service (3 Companies)
- 4142 - Bus Charter Service, Except Local (3 Companies)
- 4212 - Local Trucking, Without Storage (51 Companies)
- 4213 - Trucking, Except Local (42 Companies)
- 4214 - Local Trucking With Storage (3 Companies)
- 4215 - Courier Services, Except By Air (10 Companies)
- 4225 - General Warehousing And Storage (49 Companies)
- 4226 - Special Warehousing And Storage (44 Companies)
- 4231 - Trucking Terminals Facilities (2 Companies)
- 4311 - U S Postal Service (26 Companies)
- 4449 - Water Transportation Of Freight (4 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (2 Companies)
- 4491 - Marine Cargo Handling (2 Companies)
- 4492 - Towing & Tugboat Services (10 Companies)
- 4493 - Marinas (8 Companies)
- 4499 - Water Transportation Services (6 Companies)
- 4512 - Air Transportation, Scheduled (5 Companies)
- 4522 - Air Transportation, Nonscheduled (9 Companies)
- 4581 - Airports, Flying Fields & Services (3 Companies)
- 4612 - Crude Petroleum Pipelines (4 Companies)
- 4619 - Pipelines (4 Companies)
- 4724 - Travel Agencies (9 Companies)
- 4725 - Tour Operators (5 Companies)
- 4729 - Passenger Transportation Services (1 Company)
- 4731 - Freight Transportation Arrangement (24 Companies)
