- 0139 - Field Crops, Except Cash Grain (1 Company)
- 0191 - General Farms, Primarily Crop (4 Companies)
- 0291 - General Farms, Primarily Animals (1 Company)
- 0721 - Crop Planting And Protection (2 Companies)
- 0741 - Veterinary Services For Livestock (1 Company)
- 0742 - Veterinary Services, Specialties (2 Companies)
- 0752 - Animal Specialty Services (4 Companies)
- 0781 - Landscape Counseling And Planning (4 Companies)
- 0782 - Lawn And Garden Services (6 Companies)
- 1311 - Crude Petroleum And Natural Gas (3 Companies)
- 1381 - Drilling Oil And Gas Wells (6 Companies)
- 1382 - Oil And Gas Exploration Services (2 Companies)
- 1389 - Oil And Gas Field Services (67 Companies)
- 1422 - Crushed And Broken Limestone (1 Company)
- 1500 - General Contractors (1 Company)
- 1521 - Single Family Housing Construction (17 Companies)
- 1542 - Nonresidential Construction (5 Companies)
- 1611 - Highway And Street Construction (3 Companies)
- 1623 - Water, Sewer And Utility Lines (1 Company)
- 1629 - Heavy Construction (1 Company)
- 1711 - Plumbing, Heating, Air Conditioning (19 Companies)
- 1721 - Painting And Paper Hanging (2 Companies)
- 1731 - Electrical Work (6 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (1 Company)
- 1761 - Roofing, Siding & Sheetmetal Work (3 Companies)
- 1771 - Concrete Work (3 Companies)
- 1781 - Water Well Drilling (13 Companies)
- 1791 - Structural Steel Erection (1 Company)
- 1794 - Excavation Work (2 Companies)
- 1795 - Wrecking & Demolition Work (5 Companies)
- 1796 - Installing Building Equipment (1 Company)
- 1799 - Special Trade Contractors (21 Companies)
- 2395 - Pleating & Stitching (3 Companies)
- 2411 - Logging (2 Companies)
- 2711 - Newspapers (1 Company)
- 2721 - Periodicals, Manufacturing (4 Companies)
- 2759 - Commercial Printing (4 Companies)
- 2813 - Industrial Gases (1 Company)
- 2819 - Industrial Inorganic Chemicals (1 Company)
- 2891 - Adhesives & Sealants (1 Company)
- 2911 - Petroleum Refining (2 Companies)
- 3273 - Ready Mixed Concrete (1 Company)
- 3315 - Steel Wiredrawing, Nails & Spikes (2 Companies)
- 3533 - Oil And Gas Field Machinery And Equipment (1 Company)
- 3567 - Ndustrial Furnaces And Ovens (1 Company)
- 3578 - Calculating And Accounting Equipment (2 Companies)
- 3592 - Carburetors, Pistons, Rings And Valves (1 Company)
- 3599 - Industrial Machinery (8 Companies)
- 3663 - Radio And Tv Communications Equipment (1 Company)
- 3699 - Electrical Equipment And Supplies (2 Companies)
- 3799 - Transportation Equipment (1 Company)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (1 Company)
- 3949 - Sporting And Athletic Goods (1 Company)
- 3993 - Signs And Advertising Specialties (3 Companies)
- 3999 - Manufacturing Industries (1 Company)
- 4011 - Railroads, Line Haul Operating (1 Company)
- 4111 - Local & Suburban Transit (1 Company)
- 4119 - Local Passenger Transportation (3 Companies)
- 4131 - Intercity & Rural Bus Transportation (1 Company)
- 4141 - Local Bus Charter Service (1 Company)
- 4142 - Bus Charter Service, Except Local (1 Company)
- 4212 - Local Trucking, Without Storage (31 Companies)
- 4213 - Trucking, Except Local (33 Companies)
- 4214 - Local Trucking With Storage (1 Company)
- 4215 - Courier Services, Except By Air (2 Companies)
- 4225 - General Warehousing And Storage (5 Companies)
- 4226 - Special Warehousing And Storage (2 Companies)
- 4311 - U S Postal Service (8 Companies)
- 4512 - Air Transportation, Scheduled (1 Company)
- 4522 - Air Transportation, Nonscheduled (1 Company)
- 4581 - Airports, Flying Fields & Services (1 Company)
- 4612 - Crude Petroleum Pipelines (1 Company)
- 4613 - Refined Petroleum Pipelines (1 Company)
- 4724 - Travel Agencies (1 Company)
- 4731 - Freight Transportation Arrangement (7 Companies)
- 4812 - Radiotelephone Communications (9 Companies)
- 4813 - Telephone Communication Except Radio (8 Companies)
- 4832 - Radio Broadcasting Stations (2 Companies)
- 4841 - Cable And Other Pay Television Services (6 Companies)
- 4911 - Electric Services (2 Companies)
- 4953 - Refuse Systems (6 Companies)
- 5012 - Automobiles And Other Motor Vehicles (1 Company)
- 5013 - Motor Vehicle Supplies And New Parts (11 Companies)
- 5014 - Tires And Tubes (1 Company)
- 5015 - Motor Vehicle Parts, Used (1 Company)
- 5023 - Homefurnishings (1 Company)
- 5032 - Brick, Stone And Related Material (5 Companies)
- 5039 - Construction Materials (1 Company)
- 5044 - Office Equipment (3 Companies)
- 5045 - Computers, Peripherals And Software (3 Companies)
- 5047 - Medical And Hospital Equipment (2 Companies)
- 5049 - Professional Equipment, Nec (1 Company)
- 5051 - Metal Service Centers And Offices (4 Companies)
- 5063 - Electrical Apparatus And Equipment (2 Companies)
- 5072 - Hardware (1 Company)
- 5078 - Refrigeration Equipment & Supplies (2 Companies)
- 5082 - Construction And Mining Machinery (30 Companies)
- 5084 - Industrial Machinery And Equipment (17 Companies)
- 5085 - Industrial Supplies (5 Companies)
- 5087 - Service Establishment Equipment (3 Companies)
