- 0181 - Ornamental Nursery Products (5 Companies)
- 0191 - General Farms, Primarily Crop (5 Companies)
- 0291 - General Farms, Primarily Animals (2 Companies)
- 0711 - Soil Preparation Services (1 Company)
- 0721 - Crop Planting And Protection (2 Companies)
- 0741 - Veterinary Services For Livestock (27 Companies)
- 0742 - Veterinary Services, Specialties (30 Companies)
- 0752 - Animal Specialty Services (42 Companies)
- 0781 - Landscape Counseling And Planning (41 Companies)
- 0782 - Lawn And Garden Services (51 Companies)
- 0783 - Ornamental Shrub And Tree Services (14 Companies)
- 0921 - Fish Hatcheries And Preserves (1 Company)
- 0971 - Hunting, Trapping And Game Propagation (1 Company)
- 1311 - Crude Petroleum And Natural Gas (36 Companies)
- 1321 - Natural Gas Liquids (1 Company)
- 1381 - Drilling Oil And Gas Wells (13 Companies)
- 1382 - Oil And Gas Exploration Services (83 Companies)
- 1389 - Oil And Gas Field Services (297 Companies)
- 1422 - Crushed And Broken Limestone (1 Company)
- 1500 - General Contractors (9 Companies)
- 1521 - Single Family Housing Construction (233 Companies)
- 1522 - Residential Construction (33 Companies)
- 1541 - Industrial Buildings And Warehouses (6 Companies)
- 1542 - Nonresidential Construction (63 Companies)
- 1611 - Highway And Street Construction (13 Companies)
- 1623 - Water, Sewer And Utility Lines (11 Companies)
- 1629 - Heavy Construction (18 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (125 Companies)
- 1721 - Painting And Paper Hanging (33 Companies)
- 1731 - Electrical Work (44 Companies)
- 1741 - Masonry And Other Stonework (2 Companies)
- 1742 - Plastering, Drywall And Insulation (21 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (12 Companies)
- 1751 - Carpentry Work (33 Companies)
- 1752 - Floor Laying & Floor Work (20 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (56 Companies)
- 1771 - Concrete Work (36 Companies)
- 1781 - Water Well Drilling (24 Companies)
- 1791 - Structural Steel Erection (9 Companies)
- 1793 - Glass & Glazing Work (1 Company)
- 1794 - Excavation Work (3 Companies)
- 1795 - Wrecking & Demolition Work (7 Companies)
- 1796 - Installing Building Equipment (1 Company)
- 1799 - Special Trade Contractors (79 Companies)
- 2024 - Ice Cream & Frozen Desserts (2 Companies)
- 2032 - Canned Specialties (1 Company)
- 2033 - Canned Fruits & Specialties (1 Company)
- 2034 - Dried & Dehydrated Fruits, Vegetables & Soup Mixes (1 Company)
- 2064 - Candy & Other Confectionery Products (1 Company)
- 2082 - Malt Beverages (1 Company)
