- 0181 - Ornamental Nursery Products (4 Companies)
- 0191 - General Farms, Primarily Crop (6 Companies)
- 0272 - Horse And Other Equines (1 Company)
- 0291 - General Farms, Primarily Animals (9 Companies)
- 0711 - Soil Preparation Services (1 Company)
- 0721 - Crop Planting And Protection (2 Companies)
- 0741 - Veterinary Services For Livestock (17 Companies)
- 0742 - Veterinary Services, Specialties (32 Companies)
- 0752 - Animal Specialty Services (33 Companies)
- 0762 - Farm Management Services (1 Company)
- 0781 - Landscape Counseling And Planning (24 Companies)
- 0782 - Lawn And Garden Services (20 Companies)
- 0783 - Ornamental Shrub And Tree Services (13 Companies)
- 0971 - Hunting, Trapping And Game Propagation (1 Company)
- 1081 - Metal Mining Services (5 Companies)
- 1311 - Crude Petroleum And Natural Gas (140 Companies)
- 1321 - Natural Gas Liquids (18 Companies)
- 1381 - Drilling Oil And Gas Wells (46 Companies)
- 1382 - Oil And Gas Exploration Services (265 Companies)
- 1389 - Oil And Gas Field Services (684 Companies)
- 1422 - Crushed And Broken Limestone (1 Company)
- 1500 - General Contractors (18 Companies)
- 1521 - Single Family Housing Construction (213 Companies)
- 1522 - Residential Construction (24 Companies)
- 1541 - Industrial Buildings And Warehouses (6 Companies)
- 1542 - Nonresidential Construction (92 Companies)
- 1611 - Highway And Street Construction (26 Companies)
- 1623 - Water, Sewer And Utility Lines (22 Companies)
- 1629 - Heavy Construction (3 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (177 Companies)
- 1721 - Painting And Paper Hanging (20 Companies)
- 1731 - Electrical Work (49 Companies)
- 1741 - Masonry And Other Stonework (3 Companies)
- 1742 - Plastering, Drywall And Insulation (19 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (8 Companies)
- 1751 - Carpentry Work (12 Companies)
- 1752 - Floor Laying & Floor Work (5 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (48 Companies)
- 1771 - Concrete Work (19 Companies)
- 1781 - Water Well Drilling (91 Companies)
- 1791 - Structural Steel Erection (2 Companies)
- 1794 - Excavation Work (16 Companies)
- 1795 - Wrecking & Demolition Work (6 Companies)
- 1799 - Special Trade Contractors (94 Companies)
- 2011 - Meat Packing Plants (1 Company)
- 2024 - Ice Cream & Frozen Desserts (1 Company)
- 2064 - Candy & Other Confectionery Products (4 Companies)
- 2084 - Wines, Brandy & Brandy Spirits (1 Company)
- 2086 - Bottled & Canned Soft Drinks (2 Companies)
- 2121 - Cigars (1 Company)
