- 4142 - Bus Charter Service, Except Local (2 Companies)
- 4212 - Local Trucking, Without Storage (9 Companies)
- 4213 - Trucking, Except Local (8 Companies)
- 4215 - Courier Services, Except By Air (1 Company)
- 4222 - Refrigerated Warehousing And Storage (6 Companies)
- 4225 - General Warehousing And Storage (7 Companies)
- 4226 - Special Warehousing And Storage (2 Companies)
- 4311 - U S Postal Service (3 Companies)
- 4512 - Air Transportation, Scheduled (2 Companies)
- 4522 - Air Transportation, Nonscheduled (1 Company)
- 4581 - Airports, Flying Fields & Services (2 Companies)
- 4724 - Travel Agencies (6 Companies)
- 4731 - Freight Transportation Arrangement (4 Companies)
- 4812 - Radiotelephone Communications (17 Companies)
- 4813 - Telephone Communication Except Radio (16 Companies)
- 4832 - Radio Broadcasting Stations (1 Company)
- 4841 - Cable And Other Pay Television Services (3 Companies)
- 4911 - Electric Services (1 Company)
- 4932 - Gas And Other Services Combined (1 Company)
- 4939 - Combination Utilities (2 Companies)
- 4941 - Water Supply Systems (4 Companies)
- 4953 - Refuse Systems (10 Companies)
- 4971 - Irrigation Systems (2 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (5 Companies)
- 5014 - Tires And Tubes (2 Companies)
- 5015 - Motor Vehicle Parts, Used (3 Companies)
- 5021 - Furniture (1 Company)
- 5023 - Homefurnishings (2 Companies)
- 5032 - Brick, Stone And Related Material (2 Companies)
- 5039 - Construction Materials (1 Company)
- 5044 - Office Equipment (2 Companies)
- 5047 - Medical And Hospital Equipment (1 Company)
- 5063 - Electrical Apparatus And Equipment (4 Companies)
- 5078 - Refrigeration Equipment & Supplies (1 Company)
- 5082 - Construction And Mining Machinery (1 Company)
- 5083 - Farm And Garden Machinery (2 Companies)
- 5084 - Industrial Machinery And Equipment (4 Companies)
- 5085 - Industrial Supplies (3 Companies)
- 5087 - Service Establishment Equipment (3 Companies)
- 5093 - Scrap And Waste Materials (2 Companies)
- 5099 - Durable Goods (3 Companies)
- 5137 - Womens And Childrens Clothing (1 Company)
- 5139 - Footwear (1 Company)
- 5141 - Groceries, General Line (2 Companies)
- 5148 - Fresh Fruits And Vegetables (8 Companies)
- 5154 - Livestock (1 Company)
- 5159 - Farm Product Raw Materials (2 Companies)
- 5172 - Petroleum Products, Nec (1 Company)
- 5193 - Flowers And Florists Supplies (1 Company)
- 5194 - Tobacco And Tobacco Products (1 Company)
