- 0181 - Ornamental Nursery Products (4 Companies)
- 0191 - General Farms, Primarily Crop (4 Companies)
- 0741 - Veterinary Services For Livestock (1 Company)
- 0742 - Veterinary Services, Specialties (2 Companies)
- 0752 - Animal Specialty Services (5 Companies)
- 0781 - Landscape Counseling And Planning (18 Companies)
- 0782 - Lawn And Garden Services (14 Companies)
- 0783 - Ornamental Shrub And Tree Services (6 Companies)
- 1500 - General Contractors (2 Companies)
- 1521 - Single Family Housing Construction (41 Companies)
- 1522 - Residential Construction (7 Companies)
- 1541 - Industrial Buildings And Warehouses (6 Companies)
- 1542 - Nonresidential Construction (16 Companies)
- 1611 - Highway And Street Construction (4 Companies)
- 1623 - Water, Sewer And Utility Lines (2 Companies)
- 1629 - Heavy Construction (1 Company)
- 1711 - Plumbing, Heating, Air Conditioning (40 Companies)
- 1721 - Painting And Paper Hanging (12 Companies)
- 1731 - Electrical Work (7 Companies)
- 1741 - Masonry And Other Stonework (2 Companies)
- 1742 - Plastering, Drywall And Insulation (2 Companies)
- 1751 - Carpentry Work (2 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (16 Companies)
- 1771 - Concrete Work (7 Companies)
- 1794 - Excavation Work (6 Companies)
- 1799 - Special Trade Contractors (10 Companies)
- 2024 - Ice Cream & Frozen Desserts (1 Company)
- 2431 - Millwork (1 Company)
- 2521 - Wood Office Furniture (1 Company)
- 2711 - Newspapers (1 Company)
- 2721 - Periodicals, Manufacturing (2 Companies)
- 2741 - Miscellaneous Publishing (2 Companies)
- 2759 - Commercial Printing (2 Companies)
- 2819 - Industrial Inorganic Chemicals (1 Company)
- 2833 - Medicinal Chemicals & Botanical (3 Companies)
- 2841 - Soap & Other Detergents (1 Company)
- 2869 - Industrial Organic Chemicals (3 Companies)
- 2899 - Chemicals Preparations, Nec (1 Company)
- 2951 - Asphalt Paving Mixtures & Blocks (1 Company)
- 3089 - Plastics Products (2 Companies)
- 3211 - Flat Glass (1 Company)
- 3479 - Metal Coating & Allied Services (1 Company)
- 3578 - Calculating And Accounting Equipment (2 Companies)
- 3594 - Fluid Power Pumps And Motors (1 Company)
- 3612 - Transformers, Except Electric (1 Company)
- 3634 - Electric Housewares And Fans (1 Company)
- 3651 - Household Audio And Video Equipment (1 Company)
- 3669 - Communications Equipment (1 Company)
- 3679 - Electronic Components (2 Companies)
- 3699 - Electrical Equipment And Supplies (4 Companies)
- 3721 - Aircraft (1 Company)
- 3761 - Guided Missiles And Space Vehicles (1 Company)
- 3993 - Signs And Advertising Specialties (1 Company)
- 3999 - Manufacturing Industries (2 Companies)
- 4111 - Local & Suburban Transit (6 Companies)
- 4119 - Local Passenger Transportation (8 Companies)
- 4121 - Taxicabs (8 Companies)
- 4212 - Local Trucking, Without Storage (4 Companies)
- 4213 - Trucking, Except Local (5 Companies)
- 4214 - Local Trucking With Storage (2 Companies)
- 4215 - Courier Services, Except By Air (2 Companies)
- 4225 - General Warehousing And Storage (2 Companies)
- 4226 - Special Warehousing And Storage (2 Companies)
- 4311 - U S Postal Service (31 Companies)
- 4481 - Deep Sea Passenger Transportation, Except Ferry (1 Company)
- 4512 - Air Transportation, Scheduled (1 Company)
- 4513 - Air Courier Services (1 Company)
- 4581 - Airports, Flying Fields & Services (2 Companies)
- 4724 - Travel Agencies (7 Companies)
- 4731 - Freight Transportation Arrangement (12 Companies)
- 4812 - Radiotelephone Communications (2 Companies)
- 4813 - Telephone Communication Except Radio (9 Companies)
- 4822 - Telegraph And Other Message Communications (2 Companies)
- 4832 - Radio Broadcasting Stations (2 Companies)
- 4841 - Cable And Other Pay Television Services (4 Companies)
- 4911 - Electric Services (2 Companies)
- 4924 - Natural Gas Distribution (1 Company)
- 4941 - Water Supply Systems (1 Company)
- 4953 - Refuse Systems (1 Company)
- 4971 - Irrigation Systems (2 Companies)
- 5013 - Motor Vehicle Supplies And New Parts (1 Company)
- 5021 - Furniture (1 Company)
- 5032 - Brick, Stone And Related Material (1 Company)
- 5044 - Office Equipment (2 Companies)
- 5046 - Commercial Equipment (1 Company)
- 5047 - Medical And Hospital Equipment (2 Companies)
- 5049 - Professional Equipment, Nec (1 Company)
- 5063 - Electrical Apparatus And Equipment (3 Companies)
- 5065 - Electronic Parts And Equipment, Nec (3 Companies)
- 5078 - Refrigeration Equipment & Supplies (1 Company)
- 5082 - Construction And Mining Machinery (1 Company)
- 5083 - Farm And Garden Machinery (2 Companies)
- 5084 - Industrial Machinery And Equipment (3 Companies)
- 5087 - Service Establishment Equipment (3 Companies)
- 5092 - Toys And Hobby Goods And Supplies (1 Company)
- 5094 - Jewelry And Precious Stones (1 Company)
- 5099 - Durable Goods (1 Company)
- 5112 - Stationery And Office Supplies (1 Company)
- 5113 - Industrial And Personal Service Paper (1 Company)
- 5122 - Drugs, Proprietaries And Sundries (5 Companies)