- 0139 - Field Crops, Except Cash Grain (3 Companies)
- 0181 - Ornamental Nursery Products (3 Companies)
- 0191 - General Farms, Primarily Crop (2 Companies)
- 0241 - Dairy Farms (1 Company)
- 0741 - Veterinary Services For Livestock (12 Companies)
- 0742 - Veterinary Services, Specialties (20 Companies)
- 0752 - Animal Specialty Services (29 Companies)
- 0781 - Landscape Counseling And Planning (8 Companies)
- 0782 - Lawn And Garden Services (13 Companies)
- 0783 - Ornamental Shrub And Tree Services (11 Companies)
- 0811 - Timber Tracts (1 Company)
- 1081 - Metal Mining Services (1 Company)
- 1241 - Coal Mining Services (1 Company)
- 1321 - Natural Gas Liquids (1 Company)
- 1382 - Oil And Gas Exploration Services (1 Company)
- 1389 - Oil And Gas Field Services (1 Company)
- 1422 - Crushed And Broken Limestone (1 Company)
- 1500 - General Contractors (2 Companies)
- 1521 - Single Family Housing Construction (116 Companies)
- 1522 - Residential Construction (15 Companies)
- 1541 - Industrial Buildings And Warehouses (2 Companies)
- 1542 - Nonresidential Construction (62 Companies)
- 1611 - Highway And Street Construction (19 Companies)
- 1622 - Bridge, Tunnel And Elevated Highway Construction (1 Company)
- 1623 - Water, Sewer And Utility Lines (2 Companies)
- 1629 - Heavy Construction (3 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (99 Companies)
- 1721 - Painting And Paper Hanging (13 Companies)
- 1731 - Electrical Work (26 Companies)
- 1741 - Masonry And Other Stonework (2 Companies)
- 1742 - Plastering, Drywall And Insulation (16 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (1 Company)
- 1751 - Carpentry Work (12 Companies)
- 1752 - Floor Laying & Floor Work (9 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (41 Companies)
- 1771 - Concrete Work (21 Companies)
- 1781 - Water Well Drilling (3 Companies)
- 1791 - Structural Steel Erection (3 Companies)
- 1793 - Glass & Glazing Work (1 Company)
- 1794 - Excavation Work (11 Companies)
- 1795 - Wrecking & Demolition Work (2 Companies)
- 1796 - Installing Building Equipment (3 Companies)
- 1799 - Special Trade Contractors (29 Companies)
- 2011 - Meat Packing Plants (1 Company)
- 2051 - Bread, Cake & Related Products (1 Company)
- 2064 - Candy & Other Confectionery Products (1 Company)
- 2082 - Malt Beverages (1 Company)
- 2086 - Bottled & Canned Soft Drinks (3 Companies)
- 2121 - Cigars (1 Company)
- 2321 - Mens & Boys Furnishings (2 Companies)
- 2353 - Hats, Caps & Millinery (1 Company)
- 2394 - Canvas & Related Products (1 Company)
- 2395 - Pleating & Stitching (1 Company)
- 2421 - Sawmills & Planing Mills, General (3 Companies)
- 2426 - Hardwood Dimension & Flooring Mills (3 Companies)
- 2431 - Millwork (1 Company)
- 2439 - Structural Wood Members (1 Company)
- 2448 - Wood Pallets & Skids (1 Company)
- 2491 - Wood Preserving (1 Company)
- 2511 - Wood Household Furniture (2 Companies)
- 2621 - Paper Mills (9 Companies)
- 2679 - Converted Paper & Paperboard Prods, Nec (6 Companies)
- 2711 - Newspapers (5 Companies)
- 2721 - Periodicals, Manufacturing (3 Companies)
- 2741 - Miscellaneous Publishing (3 Companies)
- 2752 - Commercial Printing, Lithographic (2 Companies)
- 2759 - Commercial Printing (18 Companies)
- 2791 - Typesetting (1 Company)
- 2813 - Industrial Gases (1 Company)
- 2819 - Industrial Inorganic Chemicals (2 Companies)
- 2851 - Paint & Allied Products (1 Company)
- 2893 - Printing Ink (1 Company)
- 2911 - Petroleum Refining (1 Company)
- 2951 - Asphalt Paving Mixtures & Blocks (4 Companies)
- 3053 - Gaskets, Packing & Sealing Devices (1 Company)
- 3089 - Plastics Products (1 Company)
- 3211 - Flat Glass (1 Company)
- 3231 - Products Of Purchased Glass (1 Company)
- 3273 - Ready Mixed Concrete (2 Companies)
- 3312 - Blast Furnaces And Steel Mills (1 Company)
- 3315 - Steel Wiredrawing, Nails & Spikes (1 Company)
- 3321 - Gray & Ductile Iron Foundries (1 Company)
- 3432 - Plumbing Fixture Fittings & Trim (2 Companies)
- 3433 - Heating Equipment, Except Electric (1 Company)
- 3441 - Fabricated Structural Metal (2 Companies)
- 3443 - Fabricated Plate Work (Boiler Shops) (2 Companies)
- 3444 - Sheet Metalwork (11 Companies)
- 3448 - Prefabricated Metal Buildings & Components (2 Companies)
- 3479 - Metal Coating & Allied Services (3 Companies)
- 3496 - Miscellaneous Fabricated Wire Products (1 Company)
- 3519 - Internal Combustion Engines (1 Company)
- 3543 - Industrial Patterns (1 Company)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (2 Companies)
- 3545 - Machine Tool Accessories (1 Company)
- 3546 - Power Driven Handtools (1 Company)
- 3553 - Woodworking Machinery (1 Company)
- 3567 - Ndustrial Furnaces And Ovens (1 Company)
- 3569 - General Industrial Machinery (2 Companies)
- 3578 - Calculating And Accounting Equipment (5 Companies)
- 3582 - Commercial Laundry, Drycleaning, And Pressing Equi (1 Company)
