- 3578 - Calculating And Accounting Equipment (3 Companies)
- 3589 - Service Industry Machinery (2 Companies)
- 3599 - Industrial Machinery (1 Company)
- 3663 - Radio And Tv Communications Equipment (1 Company)
- 3714 - Motor Vehicle Parts And Accessories (1 Company)
- 3761 - Guided Missiles And Space Vehicles (1 Company)
- 3769 - Space Vehicle Equipment (1 Company)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (3 Companies)
- 3911 - Jewelry, Precious Metal (1 Company)
- 3949 - Sporting And Athletic Goods (2 Companies)
- 3993 - Signs And Advertising Specialties (3 Companies)
- 4119 - Local Passenger Transportation (2 Companies)
- 4212 - Local Trucking, Without Storage (8 Companies)
- 4213 - Trucking, Except Local (6 Companies)
- 4214 - Local Trucking With Storage (3 Companies)
- 4215 - Courier Services, Except By Air (2 Companies)
- 4225 - General Warehousing And Storage (6 Companies)
- 4226 - Special Warehousing And Storage (3 Companies)
- 4311 - U S Postal Service (25 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (1 Company)
- 4512 - Air Transportation, Scheduled (2 Companies)
- 4513 - Air Courier Services (1 Company)
- 4724 - Travel Agencies (1 Company)
- 4731 - Freight Transportation Arrangement (9 Companies)
- 4812 - Radiotelephone Communications (6 Companies)
- 4813 - Telephone Communication Except Radio (12 Companies)
- 4822 - Telegraph And Other Message Communications (1 Company)
- 4832 - Radio Broadcasting Stations (2 Companies)
- 4841 - Cable And Other Pay Television Services (2 Companies)
- 4899 - Communication Services, Nec (2 Companies)
- 4911 - Electric Services (4 Companies)
- 4925 - Gas Production And/Or Distribution (1 Company)
- 4941 - Water Supply Systems (1 Company)
- 4953 - Refuse Systems (4 Companies)
- 4971 - Irrigation Systems (3 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (3 Companies)
- 5014 - Tires And Tubes (2 Companies)
- 5023 - Homefurnishings (2 Companies)
- 5032 - Brick, Stone And Related Material (2 Companies)
- 5044 - Office Equipment (6 Companies)
- 5045 - Computers, Peripherals And Software (2 Companies)
- 5047 - Medical And Hospital Equipment (3 Companies)
- 5049 - Professional Equipment, Nec (4 Companies)
- 5063 - Electrical Apparatus And Equipment (1 Company)
- 5064 - Electrical Appliances, Television And Radio (1 Company)
- 5072 - Hardware (1 Company)
- 5084 - Industrial Machinery And Equipment (5 Companies)
- 5085 - Industrial Supplies (2 Companies)
- 5087 - Service Establishment Equipment (5 Companies)
- 5092 - Toys And Hobby Goods And Supplies (1 Company)
