- 3471 - Plating And Polishing (2 Companies)
- 3479 - Metal Coating & Allied Services (1 Company)
- 3543 - Industrial Patterns (1 Company)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (64 Companies)
- 3545 - Machine Tool Accessories (55 Companies)
- 3546 - Power Driven Handtools (6 Companies)
- 3553 - Woodworking Machinery (1 Company)
- 3578 - Calculating And Accounting Equipment (4 Companies)
- 3589 - Service Industry Machinery (1 Company)
- 3599 - Industrial Machinery (3 Companies)
- 3645 - Residential Lighting Fixtures (1 Company)
- 3663 - Radio And Tv Communications Equipment (2 Companies)
- 3699 - Electrical Equipment And Supplies (2 Companies)
- 3714 - Motor Vehicle Parts And Accessories (1 Company)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (2 Companies)
- 3993 - Signs And Advertising Specialties (5 Companies)
- 3999 - Manufacturing Industries (3 Companies)
- 4111 - Local & Suburban Transit (1 Company)
- 4119 - Local Passenger Transportation (5 Companies)
- 4131 - Intercity & Rural Bus Transportation (2 Companies)
- 4141 - Local Bus Charter Service (2 Companies)
- 4142 - Bus Charter Service, Except Local (2 Companies)
- 4212 - Local Trucking, Without Storage (7 Companies)
- 4213 - Trucking, Except Local (3 Companies)
- 4214 - Local Trucking With Storage (1 Company)
- 4215 - Courier Services, Except By Air (6 Companies)
- 4225 - General Warehousing And Storage (7 Companies)
- 4226 - Special Warehousing And Storage (3 Companies)
- 4311 - U S Postal Service (18 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (1 Company)
- 4724 - Travel Agencies (6 Companies)
- 4731 - Freight Transportation Arrangement (8 Companies)
- 4812 - Radiotelephone Communications (8 Companies)
- 4813 - Telephone Communication Except Radio (11 Companies)
- 4832 - Radio Broadcasting Stations (2 Companies)
- 4841 - Cable And Other Pay Television Services (2 Companies)
- 4911 - Electric Services (1 Company)
- 4925 - Gas Production And/Or Distribution (1 Company)
- 4941 - Water Supply Systems (3 Companies)
- 4953 - Refuse Systems (9 Companies)
- 4959 - Sanitary Services (5 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (4 Companies)
- 5015 - Motor Vehicle Parts, Used (2 Companies)
- 5023 - Homefurnishings (2 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (1 Company)
- 5039 - Construction Materials (2 Companies)
- 5044 - Office Equipment (2 Companies)
- 5045 - Computers, Peripherals And Software (1 Company)
- 5049 - Professional Equipment, Nec (1 Company)
- 5051 - Metal Service Centers And Offices (5 Companies)
