- 0191 - General Farms, Primarily Crop (4 Companies)
- 0241 - Dairy Farms (2 Companies)
- 0291 - General Farms, Primarily Animals (2 Companies)
- 0721 - Crop Planting And Protection (1 Company)
- 0724 - Cotton Ginning (1 Company)
- 0741 - Veterinary Services For Livestock (2 Companies)
- 0742 - Veterinary Services, Specialties (2 Companies)
- 0752 - Animal Specialty Services (1 Company)
- 1500 - General Contractors (1 Company)
- 1521 - Single Family Housing Construction (9 Companies)
- 1542 - Nonresidential Construction (3 Companies)
- 1611 - Highway And Street Construction (2 Companies)
- 1623 - Water, Sewer And Utility Lines (2 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (17 Companies)
- 1731 - Electrical Work (1 Company)
- 1743 - Terrazzo, Tile, Marble And Mosaic Work (1 Company)
- 1752 - Floor Laying & Floor Work (2 Companies)
- 1761 - Roofing, Siding & Sheetmetal Work (1 Company)
- 1771 - Concrete Work (4 Companies)
- 1791 - Structural Steel Erection (2 Companies)
- 1793 - Glass & Glazing Work (1 Company)
- 1794 - Excavation Work (1 Company)
- 1799 - Special Trade Contractors (2 Companies)
- 2711 - Newspapers (2 Companies)
- 2951 - Asphalt Paving Mixtures & Blocks (3 Companies)
- 3273 - Ready Mixed Concrete (1 Company)
- 3275 - Gypsum Products (1 Company)
- 3578 - Calculating And Accounting Equipment (2 Companies)
- 3993 - Signs And Advertising Specialties (1 Company)
- 4111 - Local & Suburban Transit (2 Companies)
- 4119 - Local Passenger Transportation (1 Company)
- 4131 - Intercity & Rural Bus Transportation (3 Companies)
- 4141 - Local Bus Charter Service (2 Companies)
- 4142 - Bus Charter Service, Except Local (2 Companies)
- 4212 - Local Trucking, Without Storage (3 Companies)
- 4213 - Trucking, Except Local (3 Companies)
- 4214 - Local Trucking With Storage (1 Company)
- 4215 - Courier Services, Except By Air (3 Companies)
- 4225 - General Warehousing And Storage (3 Companies)
- 4226 - Special Warehousing And Storage (3 Companies)
- 4311 - U S Postal Service (8 Companies)
- 4522 - Air Transportation, Nonscheduled (1 Company)
- 4581 - Airports, Flying Fields & Services (2 Companies)
- 4731 - Freight Transportation Arrangement (4 Companies)
- 4812 - Radiotelephone Communications (3 Companies)
- 4813 - Telephone Communication Except Radio (8 Companies)
- 4841 - Cable And Other Pay Television Services (2 Companies)
- 4911 - Electric Services (1 Company)
- 4941 - Water Supply Systems (1 Company)
- 4953 - Refuse Systems (5 Companies)
