| Butchs Rat Hole & Anchor Service, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $7,613,500 | $7,722,801 | 374 | $22.7M |  Research |
| Rwls, LLC | Mining, Quarrying, and Oil and Gas Extraction | $6,927,000 | $5,885,969 | 381 | $23.1M | Research |
| Chem Tech Services, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $2,330,868 | $2,358,009 | 123 | $7.5M | Research |
| Rwls LLC | Mining, Quarrying, and Oil and Gas Extraction | $2,000,000 | $2,015,781 | 292 | $17.7M | Research |
| Chem Tech Services Inc. | Mining, Quarrying, and Oil and Gas Extraction | $2,000,000 | $2,010,740 | 109 | $6.6M | Research |
| Titan Trucks LLC | Transportation and Warehousing | $1,334,210 | $1,270,094 | 58 | $11.7M | Research |
| Titan Trucks, LLC | Transportation and Warehousing | $1,334,200 | $1,325,780 | 77 | $15.5M | Research |
| Permian Equipment Rentals, LLC | Real Estate and Rental and Leasing | $1,039,300 | $1,047,301 | 53 | $23.9M | Research |
| Wally's Equipment Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,010,092 | $1,015,058 | 57 | <$5M | Research |
| South Plains Rural Health Services, Inc. | Other Services (except Public Administration) | $900,000 | $905,025 | 90 | N/A | Research |
| Allied Oilfield and Pump, LLC | Manufacturing | $881,160 | $891,244 | 70 | $18.3M | Research |
| Allied Oilfield Machine and Pump, L.l.c. | Manufacturing | $881,100 | $359,684 | 70 | $18.3M | Research |
| K-Bar Texas Electric Inc. | Construction | $832,091 | $837,448 | 69 | $22.7M | Research |
| K-Bar Texas Electric, INC | Construction | $769,300 | $773,916 | 54 | $17.8M | Research |
| Mcholborn LP | Real Estate and Rental and Leasing | $760,000 | $765,658 | 265 | $39.8M | Research |
| Worley Welding Works, Inc. | Construction | $743,922 | $752,502 | 71 | $22.0M | Research |
| North Basin Coating INC | Manufacturing | $699,960 | $709,118 | 20 | <$5M | Research |
| Smith South Plains Enterprises Ltd | Retail Trade | $671,000 | $675,139 | 66 | $16.6M | Research |
| Worley Welding Works Inc. | Manufacturing | $662,082 | $0 | 75 | $19.6M | Research |
| North Basin Coating, INC | Manufacturing | $610,400 | $616,724 | 41 | $10.0M | Research |
| Swabco INC | Mining, Quarrying, and Oil and Gas Extraction | $564,250 | $567,980 | 35 | <$5M | Research |
| Rose Equipment Company, LLP | Mining, Quarrying, and Oil and Gas Extraction | $563,900 | $567,367 | 38 | <$5M | Research |
| Butch's Trucking, Inc. | Transportation and Warehousing | $525,500 | $501,766 | 26 | <$5M | Research |
| Transcend Drilling Company, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $451,000 | $433,440 | 25 | <$5M | Research |
| United Cotton Growers Cooperative | Agriculture, Forestry, Fishing and Hunting | $442,595 | $445,841 | 30 | <$5M | Research |