- 0181 - Ornamental Nursery Products (2 Companies)
- 0191 - General Farms, Primarily Crop (1 Company)
- 0741 - Veterinary Services For Livestock (5 Companies)
- 0742 - Veterinary Services, Specialties (6 Companies)
- 0752 - Animal Specialty Services (4 Companies)
- 0781 - Landscape Counseling And Planning (4 Companies)
- 0782 - Lawn And Garden Services (4 Companies)
- 0783 - Ornamental Shrub And Tree Services (5 Companies)
- 1321 - Natural Gas Liquids (1 Company)
- 1382 - Oil And Gas Exploration Services (1 Company)
- 1389 - Oil And Gas Field Services (22 Companies)
- 1500 - General Contractors (4 Companies)
- 1521 - Single Family Housing Construction (39 Companies)
- 1522 - Residential Construction (1 Company)
- 1541 - Industrial Buildings And Warehouses (1 Company)
- 1542 - Nonresidential Construction (23 Companies)
- 1623 - Water, Sewer And Utility Lines (7 Companies)
- 1629 - Heavy Construction (16 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (30 Companies)
- 1721 - Painting And Paper Hanging (4 Companies)
- 1731 - Electrical Work (6 Companies)
- 1742 - Plastering, Drywall And Insulation (6 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (1 Company)
- 1751 - Carpentry Work (4 Companies)
- 1752 - Floor Laying & Floor Work (1 Company)
- 1761 - Roofing, Siding & Sheetmetal Work (5 Companies)
- 1771 - Concrete Work (6 Companies)
- 1781 - Water Well Drilling (3 Companies)
- 1791 - Structural Steel Erection (3 Companies)
- 1794 - Excavation Work (4 Companies)
- 1795 - Wrecking & Demolition Work (1 Company)
- 1796 - Installing Building Equipment (1 Company)
- 1799 - Special Trade Contractors (16 Companies)
- 2394 - Canvas & Related Products (2 Companies)
- 2399 - Fabricated Textile Products (1 Company)
- 2421 - Sawmills & Planing Mills, General (1 Company)
- 2599 - Furniture & Fixtures (1 Company)
- 2711 - Newspapers (1 Company)
- 2759 - Commercial Printing (2 Companies)
- 2819 - Industrial Inorganic Chemicals (3 Companies)
- 2851 - Paint & Allied Products (4 Companies)
- 2869 - Industrial Organic Chemicals (1 Company)
- 2899 - Chemicals Preparations, Nec (1 Company)
- 2911 - Petroleum Refining (2 Companies)
- 3053 - Gaskets, Packing & Sealing Devices (2 Companies)
- 3069 - Fabricated Rubber Products (3 Companies)
- 3089 - Plastics Products (2 Companies)
- 3273 - Ready Mixed Concrete (1 Company)
- 3292 - Asbestos Products (2 Companies)
- 3312 - Blast Furnaces And Steel Mills (1 Company)
- 3398 - Metal Heat Treating (1 Company)
- 3441 - Fabricated Structural Metal (1 Company)
- 3444 - Sheet Metalwork (1 Company)
- 3479 - Metal Coating & Allied Services (3 Companies)
- 3496 - Miscellaneous Fabricated Wire Products (1 Company)
- 3498 - Fabricated Pipe & Fittings (1 Company)
- 3519 - Internal Combustion Engines (2 Companies)
- 3585 - Refrigeration And Heating Equipment (2 Companies)
- 3589 - Service Industry Machinery (1 Company)
- 3699 - Electrical Equipment And Supplies (2 Companies)
- 3721 - Aircraft (1 Company)
- 3731 - Shipbuilding And Repairing (3 Companies)
- 3732 - Boatbuilding And Repairing (2 Companies)
- 3993 - Signs And Advertising Specialties (5 Companies)
- 4011 - Railroads, Line Haul Operating (2 Companies)
- 4111 - Local & Suburban Transit (2 Companies)
- 4119 - Local Passenger Transportation (5 Companies)
- 4212 - Local Trucking, Without Storage (15 Companies)
- 4213 - Trucking, Except Local (18 Companies)
- 4215 - Courier Services, Except By Air (4 Companies)
- 4221 - Farm Product Warehousing And Storage (1 Company)
- 4225 - General Warehousing And Storage (8 Companies)
- 4226 - Special Warehousing And Storage (4 Companies)
- 4311 - U S Postal Service (2 Companies)
- 4449 - Water Transportation Of Freight (3 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (2 Companies)
- 4491 - Marine Cargo Handling (3 Companies)
- 4492 - Towing & Tugboat Services (6 Companies)
- 4493 - Marinas (2 Companies)
- 4499 - Water Transportation Services (7 Companies)
- 4512 - Air Transportation, Scheduled (2 Companies)
- 4522 - Air Transportation, Nonscheduled (3 Companies)
- 4581 - Airports, Flying Fields & Services (2 Companies)
- 4619 - Pipelines (2 Companies)
- 4724 - Travel Agencies (3 Companies)
- 4725 - Tour Operators (1 Company)
- 4731 - Freight Transportation Arrangement (12 Companies)
- 4789 - Transportation Services (1 Company)
- 4812 - Radiotelephone Communications (3 Companies)
- 4813 - Telephone Communication Except Radio (2 Companies)
- 4833 - Television Broadcasting Stations (2 Companies)
- 4911 - Electric Services (4 Companies)
- 4924 - Natural Gas Distribution (1 Company)
- 4925 - Gas Production And/Or Distribution (3 Companies)
- 4941 - Water Supply Systems (2 Companies)
- 4953 - Refuse Systems (10 Companies)
- 4959 - Sanitary Services (2 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (2 Companies)
- 5015 - Motor Vehicle Parts, Used (5 Companies)
- 5031 - Lumber, Plywood, Millwork & Wood Panels (1 Company)
