| Kv Power, LLC | Mining, Quarrying, and Oil and Gas Extraction | $9,258,470 | $9,011,806 | 500 | $30.3M |  Research |
| Nh Communications, INC | Construction | $2,673,100 | $2,047,004 | 6 | <$5M | Research |
| Stewart Welding & Machine INC | Mining, Quarrying, and Oil and Gas Extraction | $1,755,015 | $1,770,079 | 104 | $6.3M | Research |
| Stewart Welding & Machine Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,755,015 | $1,764,375 | 98 | $5.9M | Research |
| Murphy Well Control, LLC | Mining, Quarrying, and Oil and Gas Extraction | $1,649,000 | $1,670,666 | 78 | <$5M | Research |
| B-P Supply INC | Mining, Quarrying, and Oil and Gas Extraction | $1,309,557 | $1,319,742 | 88 | $5.3M | Research |
| Mid-West Truck Center Inc. | Transportation and Warehousing | $1,179,300 | $1,185,471 | 18 | <$5M | Research |
| Mid-West Truck Center, Inc. | Transportation and Warehousing | $1,179,300 | $964,225 | 67 | $17.9M | Research |
| Gtg Automation, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,160,967 | $1,171,093 | 81 | <$5M | Research |
| Mustang Well Service, LLC | Mining, Quarrying, and Oil and Gas Extraction | $1,158,997 | $1,173,163 | 59 | <$5M | Research |
| Mustang Well Service LLC | Mining, Quarrying, and Oil and Gas Extraction | $1,151,522 | $1,165,788 | 73 | <$5M | Research |
| S&s Fishing & Rental, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,064,380 | $1,072,777 | 50 | <$5M | Research |
| Gtg Automation Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,056,341 | $1,063,061 | 68 | <$5M | Research |
| Trans Ram LP | Mining, Quarrying, and Oil and Gas Extraction | $1,028,400 | $1,034,542 | 71 | <$5M | Research |
| Trans Ram LP | Mining, Quarrying, and Oil and Gas Extraction | $1,028,400 | $1,034,035 | 57 | <$5M | Research |
| Jtp LLC | Retail Trade | $1,016,600 | $1,022,276 | 292 | $72.9M | Research |
| S&s Fishing & Rental Inc. | Mining, Quarrying, and Oil and Gas Extraction | $980,364 | $989,895 | 42 | <$5M | Research |
| D&jd Services Ltd. | Mining, Quarrying, and Oil and Gas Extraction | $889,760 | $896,927 | 45 | <$5M | Research |
| D&jd Services Ltd DBA Chemical Service Company | Mining, Quarrying, and Oil and Gas Extraction | $864,841 | $874,763 | 70 | <$5M | Research |
| K B Electrical Construction Company | Construction | $856,957 | $865,955 | 45 | $14.8M | Research |
| Dufrane Construction LLC | Construction | $843,220 | $850,982 | 55 | $20.6M | Research |
| Brave Services, Incorporated | Mining, Quarrying, and Oil and Gas Extraction | $835,940 | $846,087 | 103 | $6.3M | Research |
| Oti Electrical Services LLC | Construction | $794,641 | $803,117 | 40 | $13.2M | Research |
| Oti Electrical Services, LLC | Mining, Quarrying, and Oil and Gas Extraction | $779,540 | $785,885 | 43 | <$5M | Research |
| Dennis Porter, Inc. | Retail Trade | $779,100 | $783,450 | 150 | $37.5M | Research |