- 0116 - Soybeans (1 Company)
- 0139 - Field Crops, Except Cash Grain (3 Companies)
- 0181 - Ornamental Nursery Products (3 Companies)
- 0191 - General Farms, Primarily Crop (5 Companies)
- 0272 - Horse And Other Equines (1 Company)
- 0711 - Soil Preparation Services (1 Company)
- 0721 - Crop Planting And Protection (1 Company)
- 0723 - Crop Preparation Services For Market (1 Company)
- 0741 - Veterinary Services For Livestock (67 Companies)
- 0742 - Veterinary Services, Specialties (102 Companies)
- 0752 - Animal Specialty Services (85 Companies)
- 0762 - Farm Management Services (2 Companies)
- 0781 - Landscape Counseling And Planning (61 Companies)
- 0782 - Lawn And Garden Services (122 Companies)
- 0783 - Ornamental Shrub And Tree Services (45 Companies)
- 0811 - Timber Tracts (1 Company)
- 1311 - Crude Petroleum And Natural Gas (44 Companies)
- 1321 - Natural Gas Liquids (2 Companies)
- 1381 - Drilling Oil And Gas Wells (12 Companies)
- 1382 - Oil And Gas Exploration Services (34 Companies)
- 1389 - Oil And Gas Field Services (67 Companies)
- 1500 - General Contractors (27 Companies)
- 1521 - Single Family Housing Construction (462 Companies)
- 1522 - Residential Construction (61 Companies)
- 1541 - Industrial Buildings And Warehouses (14 Companies)
- 1542 - Nonresidential Construction (164 Companies)
- 1611 - Highway And Street Construction (51 Companies)
- 1623 - Water, Sewer And Utility Lines (41 Companies)
- 1629 - Heavy Construction (23 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (362 Companies)
- 1721 - Painting And Paper Hanging (84 Companies)
- 1731 - Electrical Work (117 Companies)
- 1741 - Masonry And Other Stonework (19 Companies)
- 1742 - Plastering, Drywall And Insulation (54 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (10 Companies)
- 1751 - Carpentry Work (42 Companies)
- 1752 - Floor Laying & Floor Work (32 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (244 Companies)
- 1771 - Concrete Work (89 Companies)
- 1781 - Water Well Drilling (24 Companies)
- 1791 - Structural Steel Erection (6 Companies)
- 1793 - Glass & Glazing Work (2 Companies)
- 1794 - Excavation Work (32 Companies)
- 1795 - Wrecking & Demolition Work (19 Companies)
- 1796 - Installing Building Equipment (11 Companies)
- 1799 - Special Trade Contractors (231 Companies)
- 2011 - Meat Packing Plants (4 Companies)
- 2024 - Ice Cream & Frozen Desserts (2 Companies)
- 2041 - Flour & Other Grain Mill Products (1 Company)
- 2051 - Bread, Cake & Related Products (4 Companies)
