- 3999 - Manufacturing Industries (6 Companies)
- 4111 - Local & Suburban Transit (11 Companies)
- 4119 - Local Passenger Transportation (9 Companies)
- 4121 - Taxicabs (8 Companies)
- 4131 - Intercity & Rural Bus Transportation (3 Companies)
- 4141 - Local Bus Charter Service (3 Companies)
- 4142 - Bus Charter Service, Except Local (3 Companies)
- 4212 - Local Trucking, Without Storage (33 Companies)
- 4213 - Trucking, Except Local (27 Companies)
- 4214 - Local Trucking With Storage (3 Companies)
- 4215 - Courier Services, Except By Air (10 Companies)
- 4225 - General Warehousing And Storage (43 Companies)
- 4226 - Special Warehousing And Storage (21 Companies)
- 4311 - U S Postal Service (44 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (3 Companies)
- 4489 - Water Passenger Transportation (1 Company)
- 4491 - Marine Cargo Handling (4 Companies)
- 4493 - Marinas (3 Companies)
- 4499 - Water Transportation Services (1 Company)
- 4512 - Air Transportation, Scheduled (3 Companies)
- 4513 - Air Courier Services (2 Companies)
- 4522 - Air Transportation, Nonscheduled (1 Company)
- 4581 - Airports, Flying Fields & Services (4 Companies)
- 4612 - Crude Petroleum Pipelines (1 Company)
- 4613 - Refined Petroleum Pipelines (1 Company)
- 4724 - Travel Agencies (14 Companies)
- 4725 - Tour Operators (4 Companies)
- 4729 - Passenger Transportation Services (2 Companies)
- 4731 - Freight Transportation Arrangement (27 Companies)
- 4812 - Radiotelephone Communications (24 Companies)
- 4813 - Telephone Communication Except Radio (31 Companies)
- 4832 - Radio Broadcasting Stations (20 Companies)
- 4841 - Cable And Other Pay Television Services (3 Companies)
- 4899 - Communication Services, Nec (1 Company)
- 4911 - Electric Services (6 Companies)
- 4922 - Natural Gas Transmission (1 Company)
- 4924 - Natural Gas Distribution (1 Company)
- 4925 - Gas Production And/Or Distribution (4 Companies)
- 4931 - Electric And Other Services Combined (1 Company)
- 4932 - Gas And Other Services Combined (1 Company)
- 4941 - Water Supply Systems (5 Companies)
- 4953 - Refuse Systems (23 Companies)
- 4959 - Sanitary Services (1 Company)
- 4971 - Irrigation Systems (9 Companies)
- 5012 - Automobiles And Other Motor Vehicles (6 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (11 Companies)
- 5014 - Tires And Tubes (4 Companies)
- 5015 - Motor Vehicle Parts, Used (2 Companies)
- 5021 - Furniture (1 Company)
- 5023 - Homefurnishings (5 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (2 Companies)
- 5032 - Brick, Stone And Related Material (14 Companies)
- 5039 - Construction Materials (2 Companies)
- 5044 - Office Equipment (9 Companies)
- 5045 - Computers, Peripherals And Software (5 Companies)
- 5046 - Commercial Equipment (8 Companies)
- 5047 - Medical And Hospital Equipment (2 Companies)
- 5051 - Metal Service Centers And Offices (9 Companies)
- 5063 - Electrical Apparatus And Equipment (9 Companies)
- 5065 - Electronic Parts And Equipment, Nec (3 Companies)
- 5072 - Hardware (3 Companies)
- 5074 - Plumbing And Hydronic Heating Supplies (3 Companies)
- 5075 - Warm Air Heating And Air Conditioning (1 Company)
- 5078 - Refrigeration Equipment & Supplies (6 Companies)
- 5082 - Construction And Mining Machinery (8 Companies)
- 5083 - Farm And Garden Machinery (6 Companies)
- 5084 - Industrial Machinery And Equipment (4 Companies)
- 5085 - Industrial Supplies (10 Companies)
- 5087 - Service Establishment Equipment (18 Companies)
- 5091 - Sporting And Recreational Goods (3 Companies)
- 5092 - Toys And Hobby Goods And Supplies (3 Companies)
- 5099 - Durable Goods (7 Companies)
- 5111 - Printing And Writing Paper (1 Company)
- 5122 - Drugs, Proprietaries And Sundries (1 Company)
- 5137 - Womens And Childrens Clothing (1 Company)
- 5139 - Footwear (7 Companies)
- 5145 - Confectionery (1 Company)
- 5146 - Fish And Seafoods (3 Companies)
- 5147 - Meats And Meat Products (1 Company)
- 5148 - Fresh Fruits And Vegetables (1 Company)
- 5149 - Groceries And Related Products (7 Companies)
- 5169 - Chemicals And Allied Products (10 Companies)
- 5172 - Petroleum Products, Nec (4 Companies)
- 5181 - Beer And Ale (1 Company)
- 5194 - Tobacco And Tobacco Products (3 Companies)
- 5199 - Nondurable Goods (7 Companies)
- 5211 - Lumber And Other Building Materials (74 Companies)
- 5231 - Paint, Glass And Wallpaper Stores (7 Companies)
- 5251 - Hardware Stores (28 Companies)
- 5261 - Retail Nurseries And Garden Stores (13 Companies)
- 5271 - Mobile Home Dealers (2 Companies)
- 5311 - Department Stores (22 Companies)
- 5331 - Variety Stores (6 Companies)
- 5399 - Miscellaneous General Merchandise Stores (5 Companies)
- 5411 - Grocery Stores (126 Companies)
- 5421 - Meat And Fish Markets (14 Companies)
- 5431 - Fruit & Vegetable Markets (3 Companies)
- 5441 - Candy, Nut & Confectionery Stores, Nec (3 Companies)
- 5451 - Dairy Products Stores (3 Companies)
- 5461 - Bakeries (29 Companies)
