- 0181 - Ornamental Nursery Products (2 Companies)
- 0191 - General Farms, Primarily Crop (6 Companies)
- 0711 - Soil Preparation Services (2 Companies)
- 0721 - Crop Planting And Protection (1 Company)
- 0741 - Veterinary Services For Livestock (6 Companies)
- 0742 - Veterinary Services, Specialties (6 Companies)
- 0752 - Animal Specialty Services (14 Companies)
- 0762 - Farm Management Services (2 Companies)
- 0781 - Landscape Counseling And Planning (7 Companies)
- 0782 - Lawn And Garden Services (7 Companies)
- 0783 - Ornamental Shrub And Tree Services (1 Company)
- 0851 - Forestry Services (1 Company)
- 1081 - Metal Mining Services (1 Company)
- 1500 - General Contractors (1 Company)
- 1521 - Single Family Housing Construction (56 Companies)
- 1522 - Residential Construction (4 Companies)
- 1541 - Industrial Buildings And Warehouses (1 Company)
- 1542 - Nonresidential Construction (21 Companies)
- 1611 - Highway And Street Construction (6 Companies)
- 1623 - Water, Sewer And Utility Lines (3 Companies)
- 1629 - Heavy Construction (4 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (36 Companies)
- 1721 - Painting And Paper Hanging (6 Companies)
- 1731 - Electrical Work (10 Companies)
- 1741 - Masonry And Other Stonework (1 Company)
- 1742 - Plastering, Drywall And Insulation (4 Companies)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (2 Companies)
- 1751 - Carpentry Work (4 Companies)
- 1752 - Floor Laying & Floor Work (1 Company)
- 1761 - Roofing, Siding & Sheetmetal Work (17 Companies)
- 1771 - Concrete Work (3 Companies)
- 1794 - Excavation Work (17 Companies)
- 1795 - Wrecking & Demolition Work (2 Companies)
- 1799 - Special Trade Contractors (14 Companies)
- 2051 - Bread, Cake & Related Products (1 Company)
- 2082 - Malt Beverages (1 Company)
- 2084 - Wines, Brandy & Brandy Spirits (1 Company)
- 2121 - Cigars (2 Companies)
- 2711 - Newspapers (1 Company)
- 2759 - Commercial Printing (7 Companies)
- 2813 - Industrial Gases (2 Companies)
- 2911 - Petroleum Refining (1 Company)
- 2951 - Asphalt Paving Mixtures & Blocks (3 Companies)
- 3089 - Plastics Products (1 Company)
- 3231 - Products Of Purchased Glass (1 Company)
- 3272 - Concrete Products (1 Company)
- 3315 - Steel Wiredrawing, Nails & Spikes (1 Company)
- 3432 - Plumbing Fixture Fittings & Trim (2 Companies)
- 3444 - Sheet Metalwork (9 Companies)
- 3446 - Architectural Metalwork (2 Companies)
- 3469 - Metal Stampings (2 Companies)
- 3479 - Metal Coating & Allied Services (1 Company)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (2 Companies)
- 3545 - Machine Tool Accessories (1 Company)
- 3559 - Special Industry Machinery (1 Company)
- 3578 - Calculating And Accounting Equipment (2 Companies)
- 3585 - Refrigeration And Heating Equipment (1 Company)
- 3589 - Service Industry Machinery (1 Company)
- 3648 - Lighting Equipment (1 Company)
- 3699 - Electrical Equipment And Supplies (1 Company)
- 3711 - Motor Vehicles And Car Bodies (4 Companies)
- 3714 - Motor Vehicle Parts And Accessories (1 Company)
- 3761 - Guided Missiles And Space Vehicles (1 Company)
- 3799 - Transportation Equipment (1 Company)
- 3842 - Orthopedic , Prosthetic And Surgical Appliances An (1 Company)
- 3949 - Sporting And Athletic Goods (4 Companies)
- 3993 - Signs And Advertising Specialties (4 Companies)
- 4111 - Local & Suburban Transit (3 Companies)
- 4119 - Local Passenger Transportation (15 Companies)
- 4131 - Intercity & Rural Bus Transportation (4 Companies)
- 4141 - Local Bus Charter Service (1 Company)
- 4142 - Bus Charter Service, Except Local (1 Company)
- 4212 - Local Trucking, Without Storage (19 Companies)
- 4213 - Trucking, Except Local (12 Companies)
- 4214 - Local Trucking With Storage (2 Companies)
- 4215 - Courier Services, Except By Air (1 Company)
- 4225 - General Warehousing And Storage (14 Companies)
- 4226 - Special Warehousing And Storage (11 Companies)
- 4311 - U S Postal Service (25 Companies)
- 4581 - Airports, Flying Fields & Services (2 Companies)
- 4724 - Travel Agencies (1 Company)
- 4729 - Passenger Transportation Services (1 Company)
- 4731 - Freight Transportation Arrangement (5 Companies)
- 4812 - Radiotelephone Communications (9 Companies)
- 4813 - Telephone Communication Except Radio (14 Companies)
- 4822 - Telegraph And Other Message Communications (1 Company)
- 4832 - Radio Broadcasting Stations (6 Companies)
- 4841 - Cable And Other Pay Television Services (14 Companies)
- 4911 - Electric Services (1 Company)
- 4925 - Gas Production And/Or Distribution (6 Companies)
- 4941 - Water Supply Systems (2 Companies)
- 4953 - Refuse Systems (21 Companies)
- 4959 - Sanitary Services (1 Company)
- 5012 - Automobiles And Other Motor Vehicles (3 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (5 Companies)
- 5015 - Motor Vehicle Parts, Used (1 Company)
- 5023 - Homefurnishings (1 Company)
- 5032 - Brick, Stone And Related Material (2 Companies)
- 5039 - Construction Materials (1 Company)
- 5044 - Office Equipment (1 Company)
