- 0112 - Rice (2 Companies)
- 0181 - Ornamental Nursery Products (3 Companies)
- 0191 - General Farms, Primarily Crop (8 Companies)
- 0291 - General Farms, Primarily Animals (1 Company)
- 0741 - Veterinary Services For Livestock (7 Companies)
- 0742 - Veterinary Services, Specialties (9 Companies)
- 0752 - Animal Specialty Services (11 Companies)
- 0781 - Landscape Counseling And Planning (3 Companies)
- 0782 - Lawn And Garden Services (16 Companies)
- 0783 - Ornamental Shrub And Tree Services (6 Companies)
- 0811 - Timber Tracts (1 Company)
- 0971 - Hunting, Trapping And Game Propagation (1 Company)
- 1311 - Crude Petroleum And Natural Gas (2 Companies)
- 1321 - Natural Gas Liquids (1 Company)
- 1381 - Drilling Oil And Gas Wells (3 Companies)
- 1382 - Oil And Gas Exploration Services (2 Companies)
- 1389 - Oil And Gas Field Services (22 Companies)
- 1500 - General Contractors (2 Companies)
- 1521 - Single Family Housing Construction (69 Companies)
- 1522 - Residential Construction (4 Companies)
- 1541 - Industrial Buildings And Warehouses (2 Companies)
- 1542 - Nonresidential Construction (10 Companies)
- 1611 - Highway And Street Construction (2 Companies)
- 1623 - Water, Sewer And Utility Lines (12 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (38 Companies)
- 1721 - Painting And Paper Hanging (3 Companies)
- 1731 - Electrical Work (8 Companies)
- 1741 - Masonry And Other Stonework (1 Company)
- 1742 - Plastering, Drywall And Insulation (5 Companies)
- 1751 - Carpentry Work (3 Companies)
- 1752 - Floor Laying & Floor Work (3 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (15 Companies)
- 1771 - Concrete Work (6 Companies)
- 1791 - Structural Steel Erection (1 Company)
- 1794 - Excavation Work (3 Companies)
- 1795 - Wrecking & Demolition Work (6 Companies)
- 1799 - Special Trade Contractors (32 Companies)
- 2011 - Meat Packing Plants (1 Company)
- 2024 - Ice Cream & Frozen Desserts (1 Company)
- 2273 - Carpets & Rugs (1 Company)
- 2421 - Sawmills & Planing Mills, General (1 Company)
- 2431 - Millwork (3 Companies)
- 2511 - Wood Household Furniture (1 Company)
- 2621 - Paper Mills (1 Company)
- 2711 - Newspapers (3 Companies)
- 2731 - Book Publishing (1 Company)
- 2741 - Miscellaneous Publishing (1 Company)
- 2759 - Commercial Printing (8 Companies)
- 2813 - Industrial Gases (1 Company)
- 2819 - Industrial Inorganic Chemicals (4 Companies)
