- 4212 - Local Trucking, Without Storage (14 Companies)
- 4213 - Trucking, Except Local (6 Companies)
- 4215 - Courier Services, Except By Air (3 Companies)
- 4222 - Refrigerated Warehousing And Storage (1 Company)
- 4225 - General Warehousing And Storage (1 Company)
- 4226 - Special Warehousing And Storage (1 Company)
- 4311 - U S Postal Service (75 Companies)
- 4724 - Travel Agencies (7 Companies)
- 4725 - Tour Operators (1 Company)
- 4731 - Freight Transportation Arrangement (3 Companies)
- 4812 - Radiotelephone Communications (15 Companies)
- 4813 - Telephone Communication Except Radio (13 Companies)
- 4832 - Radio Broadcasting Stations (2 Companies)
- 4833 - Television Broadcasting Stations (2 Companies)
- 4841 - Cable And Other Pay Television Services (3 Companies)
- 4911 - Electric Services (2 Companies)
- 4925 - Gas Production And/Or Distribution (2 Companies)
- 4941 - Water Supply Systems (1 Company)
- 4953 - Refuse Systems (6 Companies)
- 5012 - Automobiles And Other Motor Vehicles (2 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (5 Companies)
- 5015 - Motor Vehicle Parts, Used (1 Company)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (1 Company)
- 5044 - Office Equipment (1 Company)
- 5045 - Computers, Peripherals And Software (2 Companies)
- 5046 - Commercial Equipment (1 Company)
- 5051 - Metal Service Centers And Offices (2 Companies)
- 5063 - Electrical Apparatus And Equipment (2 Companies)
- 5065 - Electronic Parts And Equipment, Nec (2 Companies)
- 5074 - Plumbing And Hydronic Heating Supplies (2 Companies)
- 5078 - Refrigeration Equipment & Supplies (2 Companies)
- 5082 - Construction And Mining Machinery (1 Company)
- 5084 - Industrial Machinery And Equipment (5 Companies)
- 5087 - Service Establishment Equipment (5 Companies)
- 5099 - Durable Goods (2 Companies)
- 5139 - Footwear (3 Companies)
- 5141 - Groceries, General Line (3 Companies)
- 5143 - Dairy Products, Except Dried Or Canned (1 Company)
- 5144 - Poultry And Poultry Products (2 Companies)
- 5146 - Fish And Seafoods (2 Companies)
- 5147 - Meats And Meat Products (1 Company)
- 5149 - Groceries And Related Products (2 Companies)
- 5182 - Wine And Distilled Beverages (2 Companies)
- 5199 - Nondurable Goods (1 Company)
- 5211 - Lumber And Other Building Materials (9 Companies)
- 5251 - Hardware Stores (4 Companies)
- 5261 - Retail Nurseries And Garden Stores (1 Company)
- 5311 - Department Stores (10 Companies)
- 5331 - Variety Stores (5 Companies)
- 5399 - Miscellaneous General Merchandise Stores (3 Companies)
