- 4213 - Trucking, Except Local (34 Companies)
- 4214 - Local Trucking With Storage (1 Company)
- 4215 - Courier Services, Except By Air (5 Companies)
- 4225 - General Warehousing And Storage (28 Companies)
- 4226 - Special Warehousing And Storage (19 Companies)
- 4311 - U S Postal Service (18 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (1 Company)
- 4491 - Marine Cargo Handling (1 Company)
- 4493 - Marinas (4 Companies)
- 4522 - Air Transportation, Nonscheduled (1 Company)
- 4724 - Travel Agencies (4 Companies)
- 4725 - Tour Operators (1 Company)
- 4731 - Freight Transportation Arrangement (20 Companies)
- 4789 - Transportation Services (2 Companies)
- 4812 - Radiotelephone Communications (13 Companies)
- 4813 - Telephone Communication Except Radio (15 Companies)
- 4832 - Radio Broadcasting Stations (2 Companies)
- 4833 - Television Broadcasting Stations (3 Companies)
- 4841 - Cable And Other Pay Television Services (13 Companies)
- 4911 - Electric Services (4 Companies)
- 4923 - Natural Gas Transmission And Distribution (1 Company)
- 4924 - Natural Gas Distribution (1 Company)
- 4925 - Gas Production And/Or Distribution (4 Companies)
- 4932 - Gas And Other Services Combined (1 Company)
- 4941 - Water Supply Systems (6 Companies)
- 4953 - Refuse Systems (11 Companies)
- 5012 - Automobiles And Other Motor Vehicles (2 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (10 Companies)
- 5014 - Tires And Tubes (1 Company)
- 5015 - Motor Vehicle Parts, Used (7 Companies)
- 5021 - Furniture (2 Companies)
- 5023 - Homefurnishings (4 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (4 Companies)
- 5032 - Brick, Stone And Related Material (7 Companies)
- 5039 - Construction Materials (3 Companies)
- 5044 - Office Equipment (3 Companies)
- 5045 - Computers, Peripherals And Software (4 Companies)
- 5047 - Medical And Hospital Equipment (6 Companies)
- 5051 - Metal Service Centers And Offices (4 Companies)
- 5063 - Electrical Apparatus And Equipment (5 Companies)
- 5064 - Electrical Appliances, Television And Radio (2 Companies)
- 5065 - Electronic Parts And Equipment, Nec (1 Company)
- 5072 - Hardware (1 Company)
- 5075 - Warm Air Heating And Air Conditioning (2 Companies)
- 5078 - Refrigeration Equipment & Supplies (2 Companies)
- 5082 - Construction And Mining Machinery (3 Companies)
- 5083 - Farm And Garden Machinery (2 Companies)
- 5084 - Industrial Machinery And Equipment (7 Companies)
- 5085 - Industrial Supplies (4 Companies)
- 5087 - Service Establishment Equipment (10 Companies)
