| Gemini Industries, Inc. | Manufacturing | $2,804,800 | $2,838,224 | 153 | $151.8M |  Research |
| Exiss Sooner Trailer Manufacturing, LLC | Manufacturing | $2,015,200 | $2,057,799 | 182 | $47.7M | Research |
| Cal-Cleve, Limited | Transportation and Warehousing | $1,985,000 | $2,005,329 | 153 | $34.9M | Research |
| Diamond Oil Field Services INC | Construction | $1,371,447 | $1,380,803 | 58 | $18.0M | Research |
| Heartland Energy Solutions, LLC | Professional, Scientific, and Technical Services | $1,252,562 | $1,265,568 | 63 | $7.8M | Research |
| Heartland Energy Solutions LLC | Mining, Quarrying, and Oil and Gas Extraction | $1,252,562 | $1,263,543 | 63 | <$5M | Research |
| Car Craft Auto Body LLC | Other Services (except Public Administration) | $1,031,400 | $857,545 | 60 | $11.8M | Research |
| Diffee Ford Lincoln, INC | Retail Trade | $932,200 | $942,722 | 71 | $17.9M | Research |
| Delson Properties, Ltd | Manufacturing | $781,500 | $788,416 | 78 | $77.4M | Research |
| Diamond Oil Field Services INC | Construction | $772,605 | $777,071 | 49 | $15.2M | Research |
| Frontier Chevrolet Co | Retail Trade | $742,900 | $750,125 | 67 | $16.9M | Research |
| Best Oilfield Service INC | Mining, Quarrying, and Oil and Gas Extraction | $656,000 | $605,070 | 28 | <$5M | Research |
| King Electric LLC | Construction | $645,000 | $649,506 | 49 | $16.1M | Research |
| Best Oilfield Service, INC | Mining, Quarrying, and Oil and Gas Extraction | $636,700 | $642,501 | 38 | <$5M | Research |
| Okc West Livestock Market, LLC | Wholesale Trade | $592,800 | $598,744 | 81 | $20.8M | Research |
| Rick Jones Buick Gmc, INC | Retail Trade | $503,100 | $508,338 | 37 | $9.3M | Research |
| Quality Tubular, LLC | Unknown | $483,833 | $0 | 41 | N/A | Research |
| Russell-Murray Hospice, Inc. | Health Care and Social Assistance | $474,000 | $478,213 | 55 | $9.4M | Research |
| Healthcare One Associates Pllc | Health Care and Social Assistance | $423,200 | $427,142 | 43 | $13.5M | Research |
| El Reno Health Care, LLC | Health Care and Social Assistance | $415,100 | $417,614 | 54 | $9.2M | Research |
| Ross Seed Company | Retail Trade | $381,200 | $385,192 | 50 | $7.8M | Research |
| St. Katharine Drexel Retirement Center, Inc. | Health Care and Social Assistance | $371,600 | $375,285 | 55 | N/A | Research |
| Ife Ndt, LLC | Mining, Quarrying, and Oil and Gas Extraction | $366,300 | $369,139 | 25 | <$5M | Research |
| Red Dirt Measurement and Controls, LLC | Construction | $341,800 | $344,354 | 31 | $11.6M | Research |
| Red Dirt Measurement and Control LLC | Construction | $341,800 | $344,088 | 31 | $10.2M | Research |