- 3714 - Motor Vehicle Parts And Accessories (18 Companies)
- 3721 - Aircraft (3 Companies)
- 3751 - Motorcycles, Bicycles And Parts (3 Companies)
- 3761 - Guided Missiles And Space Vehicles (1 Company)
- 3792 - Travel Trailers And Campers (11 Companies)
- 3799 - Transportation Equipment (6 Companies)
- 3823 - Process Control Instruments (2 Companies)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (15 Companies)
- 3851 - Ophthalmic Goods (12 Companies)
- 3861 - Photographic Equipment And Supplies (3 Companies)
- 3911 - Jewelry, Precious Metal (13 Companies)
- 3931 - Musical Instruments (3 Companies)
- 3944 - Games, Toys And Childrens Vehicles (5 Companies)
- 3949 - Sporting And Athletic Goods (20 Companies)
- 3955 - Carbon Paper And Inked Ribbons (1 Company)
- 3993 - Signs And Advertising Specialties (76 Companies)
- 3999 - Manufacturing Industries (49 Companies)
- 4011 - Railroads, Line Haul Operating (2 Companies)
- 4111 - Local & Suburban Transit (31 Companies)
- 4119 - Local Passenger Transportation (116 Companies)
- 4121 - Taxicabs (34 Companies)
- 4131 - Intercity & Rural Bus Transportation (6 Companies)
- 4141 - Local Bus Charter Service (10 Companies)
- 4142 - Bus Charter Service, Except Local (9 Companies)
- 4173 - Bus Terminal & Service Facilities (1 Company)
- 4212 - Local Trucking, Without Storage (168 Companies)
- 4213 - Trucking, Except Local (115 Companies)
- 4214 - Local Trucking With Storage (41 Companies)
- 4215 - Courier Services, Except By Air (58 Companies)
- 4222 - Refrigerated Warehousing And Storage (2 Companies)
- 4225 - General Warehousing And Storage (150 Companies)
- 4226 - Special Warehousing And Storage (46 Companies)
- 4311 - U S Postal Service (275 Companies)
- 4449 - Water Transportation Of Freight (1 Company)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (13 Companies)
- 4493 - Marinas (6 Companies)
- 4499 - Water Transportation Services (2 Companies)
- 4512 - Air Transportation, Scheduled (33 Companies)
- 4513 - Air Courier Services (11 Companies)
- 4522 - Air Transportation, Nonscheduled (11 Companies)
- 4581 - Airports, Flying Fields & Services (19 Companies)
- 4612 - Crude Petroleum Pipelines (1 Company)
- 4613 - Refined Petroleum Pipelines (1 Company)
- 4619 - Pipelines (1 Company)
- 4724 - Travel Agencies (158 Companies)
- 4725 - Tour Operators (26 Companies)
- 4729 - Passenger Transportation Services (2 Companies)
- 4731 - Freight Transportation Arrangement (134 Companies)
- 4783 - Packing And Crating Services (13 Companies)
- 4789 - Transportation Services (10 Companies)
- 4812 - Radiotelephone Communications (246 Companies)
- 4813 - Telephone Communication Except Radio (479 Companies)
- 4822 - Telegraph And Other Message Communications (5 Companies)
- 4832 - Radio Broadcasting Stations (43 Companies)
- 4833 - Television Broadcasting Stations (14 Companies)
- 4841 - Cable And Other Pay Television Services (83 Companies)
- 4899 - Communication Services, Nec (25 Companies)
- 4911 - Electric Services (25 Companies)
- 4923 - Natural Gas Transmission And Distribution (1 Company)
- 4925 - Gas Production And/Or Distribution (12 Companies)
- 4931 - Electric And Other Services Combined (1 Company)
- 4932 - Gas And Other Services Combined (6 Companies)
- 4939 - Combination Utilities (1 Company)
- 4941 - Water Supply Systems (18 Companies)
- 4952 - Sewerage Systems (1 Company)
- 4953 - Refuse Systems (106 Companies)
- 4959 - Sanitary Services (10 Companies)
- 4971 - Irrigation Systems (7 Companies)
- 5012 - Automobiles And Other Motor Vehicles (20 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (127 Companies)
- 5014 - Tires And Tubes (19 Companies)
- 5015 - Motor Vehicle Parts, Used (56 Companies)
- 5021 - Furniture (15 Companies)
- 5023 - Homefurnishings (44 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (33 Companies)
- 5032 - Brick, Stone And Related Material (109 Companies)
- 5033 - Roofing, Siding And Insulation (5 Companies)
- 5039 - Construction Materials (7 Companies)
- 5043 - Photographic Equipment And Supplies (3 Companies)
- 5044 - Office Equipment (15 Companies)
- 5045 - Computers, Peripherals And Software (58 Companies)
- 5046 - Commercial Equipment (25 Companies)
- 5047 - Medical And Hospital Equipment (39 Companies)
- 5048 - Ophthalmic Goods (1 Company)
- 5049 - Professional Equipment, Nec (53 Companies)
- 5051 - Metal Service Centers And Offices (36 Companies)
- 5063 - Electrical Apparatus And Equipment (122 Companies)
- 5064 - Electrical Appliances, Television And Radio (6 Companies)
- 5065 - Electronic Parts And Equipment, Nec (240 Companies)
- 5072 - Hardware (18 Companies)
- 5074 - Plumbing And Hydronic Heating Supplies (38 Companies)
- 5075 - Warm Air Heating And Air Conditioning (28 Companies)
- 5078 - Refrigeration Equipment & Supplies (21 Companies)
- 5082 - Construction And Mining Machinery (23 Companies)
- 5083 - Farm And Garden Machinery (19 Companies)
- 5084 - Industrial Machinery And Equipment (190 Companies)
- 5085 - Industrial Supplies (45 Companies)
- 5087 - Service Establishment Equipment (135 Companies)
- 5088 - Transportation Equipment And Supplies (1 Company)
- 5091 - Sporting And Recreational Goods (19 Companies)
