- 3089 - Plastics Products (1 Company)
- 3211 - Flat Glass (2 Companies)
- 3229 - Pressed & Blown Glass, Nec (2 Companies)
- 3312 - Blast Furnaces And Steel Mills (1 Company)
- 3316 - Cold Finishing Of Steel Shapes (1 Company)
- 3341 - Metal Mills, Secondary Nonferrous (1 Company)
- 3423 - Hand & Edge Tools (1 Company)
- 3432 - Plumbing Fixture Fittings & Trim (1 Company)
- 3444 - Sheet Metalwork (1 Company)
- 3471 - Plating And Polishing (2 Companies)
- 3542 - Machine Tools, Metal Forming Type (1 Company)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (5 Companies)
- 3545 - Machine Tool Accessories (2 Companies)
- 3578 - Calculating And Accounting Equipment (2 Companies)
- 3589 - Service Industry Machinery (1 Company)
- 3592 - Carburetors, Pistons, Rings And Valves (2 Companies)
- 3599 - Industrial Machinery (1 Company)
- 3663 - Radio And Tv Communications Equipment (2 Companies)
- 3691 - Storage Batteries (1 Company)
- 3699 - Electrical Equipment And Supplies (1 Company)
- 3714 - Motor Vehicle Parts And Accessories (1 Company)
- 3949 - Sporting And Athletic Goods (1 Company)
- 3993 - Signs And Advertising Specialties (4 Companies)
- 3999 - Manufacturing Industries (3 Companies)
- 4111 - Local & Suburban Transit (3 Companies)
- 4119 - Local Passenger Transportation (1 Company)
- 4141 - Local Bus Charter Service (3 Companies)
- 4142 - Bus Charter Service, Except Local (2 Companies)
- 4212 - Local Trucking, Without Storage (7 Companies)
- 4213 - Trucking, Except Local (2 Companies)
- 4215 - Courier Services, Except By Air (3 Companies)
- 4225 - General Warehousing And Storage (4 Companies)
- 4226 - Special Warehousing And Storage (4 Companies)
- 4311 - U S Postal Service (35 Companies)
- 4493 - Marinas (6 Companies)
- 4724 - Travel Agencies (4 Companies)
- 4725 - Tour Operators (3 Companies)
- 4731 - Freight Transportation Arrangement (4 Companies)
- 4812 - Radiotelephone Communications (6 Companies)
- 4813 - Telephone Communication Except Radio (6 Companies)
- 4841 - Cable And Other Pay Television Services (5 Companies)
- 4911 - Electric Services (2 Companies)
- 4925 - Gas Production And/Or Distribution (1 Company)
- 4941 - Water Supply Systems (3 Companies)
- 4953 - Refuse Systems (6 Companies)
- 4959 - Sanitary Services (1 Company)
- 4971 - Irrigation Systems (1 Company)
- 5013 - Motor Vehicle Supplies And New Parts (7 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (3 Companies)
- 5032 - Brick, Stone And Related Material (1 Company)
