- 3699 - Electrical Equipment And Supplies (2 Companies)
- 3792 - Travel Trailers And Campers (1 Company)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (5 Companies)
- 3993 - Signs And Advertising Specialties (3 Companies)
- 3999 - Manufacturing Industries (2 Companies)
- 4011 - Railroads, Line Haul Operating (5 Companies)
- 4111 - Local & Suburban Transit (1 Company)
- 4119 - Local Passenger Transportation (5 Companies)
- 4121 - Taxicabs (2 Companies)
- 4141 - Local Bus Charter Service (2 Companies)
- 4142 - Bus Charter Service, Except Local (2 Companies)
- 4212 - Local Trucking, Without Storage (8 Companies)
- 4213 - Trucking, Except Local (7 Companies)
- 4214 - Local Trucking With Storage (1 Company)
- 4215 - Courier Services, Except By Air (2 Companies)
- 4222 - Refrigerated Warehousing And Storage (1 Company)
- 4225 - General Warehousing And Storage (6 Companies)
- 4226 - Special Warehousing And Storage (2 Companies)
- 4311 - U S Postal Service (4 Companies)
- 4522 - Air Transportation, Nonscheduled (1 Company)
- 4581 - Airports, Flying Fields & Services (1 Company)
- 4619 - Pipelines (2 Companies)
- 4724 - Travel Agencies (5 Companies)
- 4725 - Tour Operators (2 Companies)
- 4731 - Freight Transportation Arrangement (10 Companies)
- 4812 - Radiotelephone Communications (10 Companies)
- 4813 - Telephone Communication Except Radio (12 Companies)
- 4832 - Radio Broadcasting Stations (5 Companies)
- 4841 - Cable And Other Pay Television Services (8 Companies)
- 4911 - Electric Services (1 Company)
- 4923 - Natural Gas Transmission And Distribution (1 Company)
- 4925 - Gas Production And/Or Distribution (2 Companies)
- 4931 - Electric And Other Services Combined (2 Companies)
- 4941 - Water Supply Systems (1 Company)
- 4953 - Refuse Systems (6 Companies)
- 5012 - Automobiles And Other Motor Vehicles (1 Company)
- 5013 - Motor Vehicle Supplies And New Parts (7 Companies)
- 5015 - Motor Vehicle Parts, Used (2 Companies)
- 5021 - Furniture (3 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (2 Companies)
- 5032 - Brick, Stone And Related Material (2 Companies)
- 5039 - Construction Materials (2 Companies)
- 5044 - Office Equipment (1 Company)
- 5045 - Computers, Peripherals And Software (2 Companies)
- 5047 - Medical And Hospital Equipment (2 Companies)
- 5051 - Metal Service Centers And Offices (1 Company)
- 5063 - Electrical Apparatus And Equipment (3 Companies)
- 5065 - Electronic Parts And Equipment, Nec (4 Companies)
- 5072 - Hardware (3 Companies)
- 5082 - Construction And Mining Machinery (1 Company)
