- 0191 - General Farms, Primarily Crop (7 Companies)
- 0279 - Animal Specialties (1 Company)
- 0291 - General Farms, Primarily Animals (1 Company)
- 0741 - Veterinary Services For Livestock (9 Companies)
- 0742 - Veterinary Services, Specialties (9 Companies)
- 0752 - Animal Specialty Services (7 Companies)
- 0781 - Landscape Counseling And Planning (14 Companies)
- 0782 - Lawn And Garden Services (10 Companies)
- 0783 - Ornamental Shrub And Tree Services (4 Companies)
- 0811 - Timber Tracts (1 Company)
- 1500 - General Contractors (2 Companies)
- 1521 - Single Family Housing Construction (51 Companies)
- 1522 - Residential Construction (9 Companies)
- 1542 - Nonresidential Construction (4 Companies)
- 1611 - Highway And Street Construction (14 Companies)
- 1622 - Bridge, Tunnel And Elevated Highway Construction (1 Company)
- 1623 - Water, Sewer And Utility Lines (1 Company)
- 1629 - Heavy Construction (6 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (38 Companies)
- 1721 - Painting And Paper Hanging (9 Companies)
- 1731 - Electrical Work (3 Companies)
- 1741 - Masonry And Other Stonework (1 Company)
- 1751 - Carpentry Work (5 Companies)
- 1752 - Floor Laying & Floor Work (3 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (14 Companies)
- 1771 - Concrete Work (9 Companies)
- 1781 - Water Well Drilling (1 Company)
- 1791 - Structural Steel Erection (1 Company)
- 1794 - Excavation Work (7 Companies)
- 1795 - Wrecking & Demolition Work (3 Companies)
- 1799 - Special Trade Contractors (18 Companies)
- 2082 - Malt Beverages (1 Company)
- 2431 - Millwork (1 Company)
- 2499 - Wood Products (1 Company)
- 2721 - Periodicals, Manufacturing (1 Company)
- 2822 - Synthetic Rubber (1 Company)
- 2851 - Paint & Allied Products (1 Company)
- 2951 - Asphalt Paving Mixtures & Blocks (3 Companies)
- 3053 - Gaskets, Packing & Sealing Devices (1 Company)
- 3069 - Fabricated Rubber Products (1 Company)
- 3271 - Concrete Block & Brick (1 Company)
- 3272 - Concrete Products (1 Company)
- 3292 - Asbestos Products (1 Company)
- 3423 - Hand & Edge Tools (1 Company)
- 3444 - Sheet Metalwork (5 Companies)
- 3471 - Plating And Polishing (2 Companies)
- 3519 - Internal Combustion Engines (1 Company)
- 3543 - Industrial Patterns (2 Companies)
- 3553 - Woodworking Machinery (2 Companies)
- 3578 - Calculating And Accounting Equipment (1 Company)