| Premier Trading and Transportation LLC | Transportation and Warehousing | $1,423,700 | $1,433,958 | 78 | $20.8M |  Research |
| Premier Trading and Transportation LLC | Transportation and Warehousing | $1,204,400 | $1,212,319 | 66 | $17.6M | Research |
| Tank Farm Service LLC | Construction | $1,090,905 | $1,095,567 | 59 | $18.3M | Research |
| Continental Concrete, LLC | Mining, Quarrying, and Oil and Gas Extraction | $1,090,450 | $1,098,931 | 85 | $5.2M | Research |
| Deeprock Management LLC | Management of Companies and Enterprises | $1,089,590 | $1,098,247 | 52 | $8.5M | Research |
| Deeprock Management LLC | Management of Companies and Enterprises | $1,069,100 | $1,075,075 | 53 | $8.7M | Research |
| Submersible Pumps Inc. | Manufacturing | $744,707 | $748,782 | 65 | $17.0M | Research |
| Submersible Pumps Inc. | Manufacturing | $686,400 | $691,815 | 65 | $17.0M | Research |
| Fechner Pump & Supply INC | Wholesale Trade | $482,455 | $485,417 | 21 | $6.4M | Research |
| Fechner Pump & Supply,inc. | Wholesale Trade | $482,400 | $317,660 | 29 | $8.9M | Research |
| Clayton's Land Services LLC | Construction | $448,899 | $451,418 | 43 | $13.3M | Research |
| Clayton's Land Services LLC | Administrative and Support and Waste Management | $448,899 | $451,954 | 24 | $5.2M | Research |
| K and W Well Service Inc. | Other Services (except Public Administration) | $439,000 | $441,203 | 43 | $9.2M | Research |
| K and W Well Service Inc. | Other Services (except Public Administration) | $439,000 | $440,908 | 33 | $7.1M | Research |
| Ahrberg Milling of Cushing, INC | Manufacturing | $436,500 | $439,155 | 39 | $9.5M | Research |
| Maveric Mini Marts INC | Retail Trade | $430,900 | $433,473 | 93 | $23.2M | Research |
| Steer Inn Inc. | Accommodation and Food Services | $378,230 | $380,279 | 90 | $16.0M | Research |
| 5g Oilfield Company LLC | Real Estate and Rental and Leasing | $321,839 | $323,985 | 17 | $7.7M | Research |
| 5g Oilfield Company | Real Estate and Rental and Leasing | $321,839 | $323,717 | 15 | $6.8M | Research |
| Stewart Stone INC | Mining, Quarrying, and Oil and Gas Extraction | $297,421 | $299,387 | 43 | <$5M | Research |
| Colonial Plaza Management Co LLC | Health Care and Social Assistance | $292,700 | $296,863 | 48 | $8.2M | Research |
| Park Derochie (coatings & Linings) LLC | Construction | $289,634 | $292,856 | 18 | $20.5M | Research |
| Steer Inn, Inc. | Accommodation and Food Services | $270,165 | $272,626 | 90 | $16.0M | Research |
| Lionel Harris Oil Co., Inc. | Mining, Quarrying, and Oil and Gas Extraction | $259,400 | $261,526 | 23 | <$5M | Research |
| Lionel Harris Oil Co INC | Wholesale Trade | $253,000 | $255,214 | 21 | $5.4M | Research |