- 0139 - Field Crops, Except Cash Grain (6 Companies)
- 0181 - Ornamental Nursery Products (4 Companies)
- 0191 - General Farms, Primarily Crop (13 Companies)
- 0241 - Dairy Farms (2 Companies)
- 0291 - General Farms, Primarily Animals (12 Companies)
- 0711 - Soil Preparation Services (2 Companies)
- 0721 - Crop Planting And Protection (4 Companies)
- 0741 - Veterinary Services For Livestock (44 Companies)
- 0742 - Veterinary Services, Specialties (53 Companies)
- 0751 - Livestock Services, Except Veterinary (1 Company)
- 0752 - Animal Specialty Services (38 Companies)
- 0762 - Farm Management Services (1 Company)
- 0781 - Landscape Counseling And Planning (42 Companies)
- 0782 - Lawn And Garden Services (54 Companies)
- 0783 - Ornamental Shrub And Tree Services (18 Companies)
- 0921 - Fish Hatcheries And Preserves (1 Company)
- 0971 - Hunting, Trapping And Game Propagation (2 Companies)
- 1311 - Crude Petroleum And Natural Gas (19 Companies)
- 1321 - Natural Gas Liquids (1 Company)
- 1381 - Drilling Oil And Gas Wells (22 Companies)
- 1382 - Oil And Gas Exploration Services (32 Companies)
- 1389 - Oil And Gas Field Services (118 Companies)
- 1422 - Crushed And Broken Limestone (2 Companies)
- 1500 - General Contractors (7 Companies)
- 1521 - Single Family Housing Construction (244 Companies)
- 1522 - Residential Construction (35 Companies)
- 1541 - Industrial Buildings And Warehouses (11 Companies)
- 1542 - Nonresidential Construction (93 Companies)
- 1611 - Highway And Street Construction (21 Companies)
- 1623 - Water, Sewer And Utility Lines (18 Companies)
- 1629 - Heavy Construction (12 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (177 Companies)
- 1721 - Painting And Paper Hanging (24 Companies)
- 1731 - Electrical Work (50 Companies)
- 1741 - Masonry And Other Stonework (9 Companies)
- 1742 - Plastering, Drywall And Insulation (32 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (14 Companies)
- 1751 - Carpentry Work (13 Companies)
- 1752 - Floor Laying & Floor Work (12 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (107 Companies)
- 1771 - Concrete Work (39 Companies)
- 1781 - Water Well Drilling (25 Companies)
- 1791 - Structural Steel Erection (2 Companies)
- 1793 - Glass & Glazing Work (1 Company)
- 1794 - Excavation Work (9 Companies)
- 1795 - Wrecking & Demolition Work (26 Companies)
- 1796 - Installing Building Equipment (1 Company)
- 1799 - Special Trade Contractors (121 Companies)
- 2011 - Meat Packing Plants (1 Company)
- 2024 - Ice Cream & Frozen Desserts (1 Company)
- 2051 - Bread, Cake & Related Products (1 Company)
- 2084 - Wines, Brandy & Brandy Spirits (1 Company)
- 2086 - Bottled & Canned Soft Drinks (4 Companies)
- 2099 - Food Preparations (1 Company)
- 2121 - Cigars (1 Company)
- 2342 - Bras, Girdles & Allied Garments (1 Company)
- 2353 - Hats, Caps & Millinery (1 Company)
- 2394 - Canvas & Related Products (2 Companies)
- 2395 - Pleating & Stitching (1 Company)
- 2421 - Sawmills & Planing Mills, General (2 Companies)
- 2426 - Hardwood Dimension & Flooring Mills (2 Companies)
- 2431 - Millwork (2 Companies)
- 2439 - Structural Wood Members (2 Companies)
- 2499 - Wood Products (1 Company)
- 2621 - Paper Mills (3 Companies)
- 2653 - Corrugated & Solid Fiber Boxes (1 Company)
- 2655 - Fiber Cans, Tubes, Drums & Similar Products (1 Company)
- 2678 - Stationery Products (3 Companies)
- 2711 - Newspapers (9 Companies)
- 2721 - Periodicals, Manufacturing (1 Company)
- 2741 - Miscellaneous Publishing (3 Companies)
- 2752 - Commercial Printing, Lithographic (16 Companies)
- 2759 - Commercial Printing (26 Companies)
- 2789 - Bookbinding & Related Work (1 Company)
- 2791 - Typesetting (1 Company)
- 2819 - Industrial Inorganic Chemicals (3 Companies)
- 2833 - Medicinal Chemicals & Botanical (1 Company)
- 2851 - Paint & Allied Products (4 Companies)
- 2911 - Petroleum Refining (20 Companies)
- 2951 - Asphalt Paving Mixtures & Blocks (4 Companies)
- 3069 - Fabricated Rubber Products (2 Companies)
- 3089 - Plastics Products (4 Companies)
- 3199 - Leather Goods (1 Company)
- 3211 - Flat Glass (3 Companies)
- 3272 - Concrete Products (1 Company)
- 3273 - Ready Mixed Concrete (1 Company)
- 3292 - Asbestos Products (2 Companies)
- 3299 - Nonmetallic Mineral Products (1 Company)
- 3312 - Blast Furnaces And Steel Mills (6 Companies)
- 3316 - Cold Finishing Of Steel Shapes (4 Companies)
- 3432 - Plumbing Fixture Fittings & Trim (1 Company)
- 3433 - Heating Equipment, Except Electric (1 Company)
- 3441 - Fabricated Structural Metal (2 Companies)
- 3442 - Metal Doors, Sash & Trim (1 Company)
- 3443 - Fabricated Plate Work (Boiler Shops) (1 Company)
- 3444 - Sheet Metalwork (5 Companies)
- 3446 - Architectural Metalwork (1 Company)
- 3448 - Prefabricated Metal Buildings & Components (3 Companies)
- 3479 - Metal Coating & Allied Services (4 Companies)
- 3499 - Fabricated Metal Products (1 Company)
