- 0191 - General Farms, Primarily Crop (1 Company)
- 0272 - Horse And Other Equines (1 Company)
- 0291 - General Farms, Primarily Animals (2 Companies)
- 0741 - Veterinary Services For Livestock (2 Companies)
- 0742 - Veterinary Services, Specialties (3 Companies)
- 0752 - Animal Specialty Services (1 Company)
- 1311 - Crude Petroleum And Natural Gas (2 Companies)
- 1382 - Oil And Gas Exploration Services (1 Company)
- 1389 - Oil And Gas Field Services (16 Companies)
- 1521 - Single Family Housing Construction (7 Companies)
- 1522 - Residential Construction (2 Companies)
- 1542 - Nonresidential Construction (2 Companies)
- 1623 - Water, Sewer And Utility Lines (2 Companies)
- 1711 - Plumbing, Heating, Air Conditioning (8 Companies)
- 1731 - Electrical Work (3 Companies)
- 1742 - Plastering, Drywall And Insulation (1 Company)
- 1781 - Water Well Drilling (2 Companies)
- 1794 - Excavation Work (5 Companies)
- 1799 - Special Trade Contractors (4 Companies)
- 2011 - Meat Packing Plants (1 Company)
- 2395 - Pleating & Stitching (1 Company)
- 2711 - Newspapers (1 Company)
- 3599 - Industrial Machinery (1 Company)
- 3799 - Transportation Equipment (1 Company)
- 4212 - Local Trucking, Without Storage (13 Companies)
- 4213 - Trucking, Except Local (8 Companies)
- 4215 - Courier Services, Except By Air (2 Companies)
- 4221 - Farm Product Warehousing And Storage (2 Companies)
- 4311 - U S Postal Service (1 Company)
- 4612 - Crude Petroleum Pipelines (1 Company)
- 4619 - Pipelines (1 Company)
- 4731 - Freight Transportation Arrangement (1 Company)
- 4789 - Transportation Services (1 Company)
- 4812 - Radiotelephone Communications (2 Companies)
- 4832 - Radio Broadcasting Stations (1 Company)
- 4911 - Electric Services (1 Company)
- 4925 - Gas Production And/Or Distribution (1 Company)
- 4941 - Water Supply Systems (1 Company)
- 4953 - Refuse Systems (4 Companies)
- 5051 - Metal Service Centers And Offices (1 Company)
- 5078 - Refrigeration Equipment & Supplies (1 Company)
- 5082 - Construction And Mining Machinery (3 Companies)
- 5147 - Meats And Meat Products (1 Company)
- 5153 - Grain And Field Beans (1 Company)
- 5154 - Livestock (3 Companies)
- 5169 - Chemicals And Allied Products (1 Company)
- 5211 - Lumber And Other Building Materials (2 Companies)
- 5251 - Hardware Stores (4 Companies)
- 5261 - Retail Nurseries And Garden Stores (1 Company)
- 5411 - Grocery Stores (2 Companies)
