- 0191 - General Farms, Primarily Crop (3 Companies)
- 0272 - Horse And Other Equines (1 Company)
- 0291 - General Farms, Primarily Animals (2 Companies)
- 0721 - Crop Planting And Protection (5 Companies)
- 0741 - Veterinary Services For Livestock (8 Companies)
- 0742 - Veterinary Services, Specialties (9 Companies)
- 0752 - Animal Specialty Services (11 Companies)
- 0781 - Landscape Counseling And Planning (5 Companies)
- 0782 - Lawn And Garden Services (18 Companies)
- 0783 - Ornamental Shrub And Tree Services (2 Companies)
- 1081 - Metal Mining Services (1 Company)
- 1311 - Crude Petroleum And Natural Gas (23 Companies)
- 1381 - Drilling Oil And Gas Wells (1 Company)
- 1382 - Oil And Gas Exploration Services (11 Companies)
- 1389 - Oil And Gas Field Services (26 Companies)
- 1500 - General Contractors (1 Company)
- 1521 - Single Family Housing Construction (54 Companies)
- 1522 - Residential Construction (10 Companies)
- 1542 - Nonresidential Construction (19 Companies)
- 1611 - Highway And Street Construction (11 Companies)
- 1622 - Bridge, Tunnel And Elevated Highway Construction (1 Company)
- 1623 - Water, Sewer And Utility Lines (4 Companies)
- 1629 - Heavy Construction (4 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (47 Companies)
- 1721 - Painting And Paper Hanging (2 Companies)
- 1731 - Electrical Work (11 Companies)
- 1742 - Plastering, Drywall And Insulation (11 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (3 Companies)
- 1751 - Carpentry Work (7 Companies)
- 1752 - Floor Laying & Floor Work (3 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (14 Companies)
- 1771 - Concrete Work (10 Companies)
- 1781 - Water Well Drilling (5 Companies)
- 1794 - Excavation Work (5 Companies)
- 1795 - Wrecking & Demolition Work (5 Companies)
- 1799 - Special Trade Contractors (18 Companies)
- 2051 - Bread, Cake & Related Products (1 Company)
- 2082 - Malt Beverages (1 Company)
- 2086 - Bottled & Canned Soft Drinks (1 Company)
- 2273 - Carpets & Rugs (1 Company)
- 2395 - Pleating & Stitching (1 Company)
- 2431 - Millwork (2 Companies)
- 2448 - Wood Pallets & Skids (2 Companies)
- 2621 - Paper Mills (1 Company)
- 2711 - Newspapers (2 Companies)
- 2721 - Periodicals, Manufacturing (1 Company)
- 2731 - Book Publishing (2 Companies)
- 2741 - Miscellaneous Publishing (3 Companies)
- 2759 - Commercial Printing (10 Companies)
- 2911 - Petroleum Refining (3 Companies)