- 0191 - General Farms, Primarily Crop (2 Companies)
- 0752 - Animal Specialty Services (1 Company)
- 0781 - Landscape Counseling And Planning (7 Companies)
- 0782 - Lawn And Garden Services (5 Companies)
- 0783 - Ornamental Shrub And Tree Services (2 Companies)
- 1500 - General Contractors (3 Companies)
- 1521 - Single Family Housing Construction (23 Companies)
- 1522 - Residential Construction (3 Companies)
- 1541 - Industrial Buildings And Warehouses (2 Companies)
- 1542 - Nonresidential Construction (16 Companies)
- 1611 - Highway And Street Construction (4 Companies)
- 1622 - Bridge, Tunnel And Elevated Highway Construction (1 Company)
- 1623 - Water, Sewer And Utility Lines (1 Company)
- 1711 - Plumbing, Heating, Air Conditioning (37 Companies)
- 1721 - Painting And Paper Hanging (4 Companies)
- 1731 - Electrical Work (15 Companies)
- 1741 - Masonry And Other Stonework (4 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (1 Company)
- 1751 - Carpentry Work (5 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (8 Companies)
- 1771 - Concrete Work (5 Companies)
- 1791 - Structural Steel Erection (1 Company)
- 1794 - Excavation Work (1 Company)
- 1799 - Special Trade Contractors (4 Companies)
- 2024 - Ice Cream & Frozen Desserts (1 Company)
- 2431 - Millwork (1 Company)
- 2721 - Periodicals, Manufacturing (3 Companies)
- 2819 - Industrial Inorganic Chemicals (1 Company)
- 2834 - Pharmaceutical Preparations (2 Companies)
- 2911 - Petroleum Refining (3 Companies)
- 3211 - Flat Glass (1 Company)
- 3272 - Concrete Products (1 Company)
- 3315 - Steel Wiredrawing, Nails & Spikes (1 Company)
- 3432 - Plumbing Fixture Fittings & Trim (1 Company)
- 3444 - Sheet Metalwork (1 Company)
- 3541 - Machine Tools, Metal Cutting Type (1 Company)
- 3569 - General Industrial Machinery (2 Companies)
- 3578 - Calculating And Accounting Equipment (1 Company)
- 3645 - Residential Lighting Fixtures (1 Company)
- 3661 - Telephone And Telegraph Apparatus (1 Company)
- 3691 - Storage Batteries (1 Company)
- 3699 - Electrical Equipment And Supplies (2 Companies)
- 3823 - Process Control Instruments (1 Company)
- 3851 - Ophthalmic Goods (1 Company)
- 3931 - Musical Instruments (1 Company)
- 3949 - Sporting And Athletic Goods (1 Company)
- 3993 - Signs And Advertising Specialties (1 Company)
- 3999 - Manufacturing Industries (1 Company)
- 4111 - Local & Suburban Transit (3 Companies)
- 4119 - Local Passenger Transportation (17 Companies)