- 0139 - Field Crops, Except Cash Grain (3 Companies)
- 0181 - Ornamental Nursery Products (3 Companies)
- 0191 - General Farms, Primarily Crop (18 Companies)
- 0721 - Crop Planting And Protection (11 Companies)
- 0741 - Veterinary Services For Livestock (21 Companies)
- 0742 - Veterinary Services, Specialties (31 Companies)
- 0752 - Animal Specialty Services (26 Companies)
- 0762 - Farm Management Services (2 Companies)
- 0781 - Landscape Counseling And Planning (38 Companies)
- 0782 - Lawn And Garden Services (36 Companies)
- 0783 - Ornamental Shrub And Tree Services (14 Companies)
- 1081 - Metal Mining Services (1 Company)
- 1311 - Crude Petroleum And Natural Gas (1 Company)
- 1321 - Natural Gas Liquids (2 Companies)
- 1381 - Drilling Oil And Gas Wells (1 Company)
- 1382 - Oil And Gas Exploration Services (37 Companies)
- 1389 - Oil And Gas Field Services (37 Companies)
- 1500 - General Contractors (7 Companies)
- 1521 - Single Family Housing Construction (161 Companies)
- 1522 - Residential Construction (41 Companies)
- 1541 - Industrial Buildings And Warehouses (4 Companies)
- 1542 - Nonresidential Construction (52 Companies)
- 1611 - Highway And Street Construction (15 Companies)
- 1623 - Water, Sewer And Utility Lines (5 Companies)
- 1629 - Heavy Construction (7 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (96 Companies)
- 1721 - Painting And Paper Hanging (21 Companies)
- 1731 - Electrical Work (25 Companies)
- 1741 - Masonry And Other Stonework (13 Companies)
- 1742 - Plastering, Drywall And Insulation (18 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (13 Companies)
- 1751 - Carpentry Work (24 Companies)
- 1752 - Floor Laying & Floor Work (13 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (38 Companies)
- 1771 - Concrete Work (27 Companies)
- 1781 - Water Well Drilling (7 Companies)
- 1791 - Structural Steel Erection (3 Companies)
- 1793 - Glass & Glazing Work (1 Company)
- 1794 - Excavation Work (17 Companies)
- 1795 - Wrecking & Demolition Work (8 Companies)
- 1796 - Installing Building Equipment (2 Companies)
- 1799 - Special Trade Contractors (52 Companies)
- 2024 - Ice Cream & Frozen Desserts (1 Company)
- 2051 - Bread, Cake & Related Products (4 Companies)
- 2064 - Candy & Other Confectionery Products (1 Company)
- 2082 - Malt Beverages (12 Companies)
- 2084 - Wines, Brandy & Brandy Spirits (3 Companies)
- 2085 - Distilled & Blended Liquors (1 Company)
- 2086 - Bottled & Canned Soft Drinks (3 Companies)
- 2099 - Food Preparations (1 Company)
- 2141 - Tobacco Stemming And Redrying (1 Company)
- 2321 - Mens & Boys Furnishings (3 Companies)
- 2331 - Womess & Misses Blouses & Shirts (2 Companies)
- 2353 - Hats, Caps & Millinery (2 Companies)
- 2369 - Girls & Childrens Outerwear (1 Company)
- 2394 - Canvas & Related Products (3 Companies)
- 2395 - Pleating & Stitching (2 Companies)
- 2399 - Fabricated Textile Products (1 Company)
- 2411 - Logging (2 Companies)
- 2421 - Sawmills & Planing Mills, General (3 Companies)
- 2426 - Hardwood Dimension & Flooring Mills (3 Companies)
- 2431 - Millwork (6 Companies)
- 2434 - Wood Kitchen Cabinets (4 Companies)
- 2448 - Wood Pallets & Skids (1 Company)
- 2452 - Prefabricated Wood Buildings (1 Company)
- 2499 - Wood Products (3 Companies)
- 2621 - Paper Mills (6 Companies)
- 2675 - Die Cut Paper & Board (1 Company)
- 2679 - Converted Paper & Paperboard Prods, Nec (3 Companies)
- 2711 - Newspapers (11 Companies)
- 2721 - Periodicals, Manufacturing (10 Companies)
- 2731 - Book Publishing (1 Company)
- 2741 - Miscellaneous Publishing (4 Companies)
- 2752 - Commercial Printing, Lithographic (3 Companies)
- 2754 - Commercial Printing, Gravure (3 Companies)
- 2759 - Commercial Printing (15 Companies)
- 2791 - Typesetting (2 Companies)
- 2819 - Industrial Inorganic Chemicals (1 Company)
- 2893 - Printing Ink (1 Company)
- 2911 - Petroleum Refining (10 Companies)
- 2951 - Asphalt Paving Mixtures & Blocks (8 Companies)
- 3069 - Fabricated Rubber Products (1 Company)
- 3083 - Laminated Plastic Plate, Sheet & Shapes (1 Company)
- 3089 - Plastics Products (2 Companies)
- 3211 - Flat Glass (2 Companies)
- 3272 - Concrete Products (1 Company)
- 3273 - Ready Mixed Concrete (1 Company)
- 3292 - Asbestos Products (1 Company)
- 3356 - Nonferrous Rolling And Drawing, Nec (1 Company)
- 3423 - Hand & Edge Tools (2 Companies)
- 3429 - Hardware, Nec (1 Company)
- 3432 - Plumbing Fixture Fittings & Trim (5 Companies)
- 3433 - Heating Equipment, Except Electric (1 Company)
- 3444 - Sheet Metalwork (5 Companies)
- 3446 - Architectural Metalwork (1 Company)
- 3448 - Prefabricated Metal Buildings & Components (3 Companies)
- 3469 - Metal Stampings (3 Companies)
- 3479 - Metal Coating & Allied Services (2 Companies)
- 3496 - Miscellaneous Fabricated Wire Products (1 Company)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (11 Companies)
