| John Vance Motors, Inc. | Retail Trade | $1,389,500 | $1,399,883 | 92 | $23.2M |  Research |
| Profitable Practice Transitions Corp. | Administrative and Support and Waste Management | $1,149,351 | $1,157,141 | 126 | $23.8M | Research |
| Carter Chevrolet Agency, Inc. | Retail Trade | $1,104,067 | $1,110,538 | 81 | $20.4M | Research |
| Golden Age Nursing Home of Guthrie, LLC | Health Care and Social Assistance | $1,008,300 | $1,014,571 | 140 | $23.8M | Research |
| Profitable Practice Transitions Corporation | Professional, Scientific, and Technical Services | $941,324 | $949,587 | 117 | $12.1M | Research |
| Bostick Services Corporation | Mining, Quarrying, and Oil and Gas Extraction | $935,000 | $940,922 | 45 | <$5M | Research |
| Bostick Services Corporation | Transportation and Warehousing | $874,453 | $880,137 | 30 | $8.0M | Research |
| Lazy E Ranch, LLC | Agriculture, Forestry, Fishing and Hunting | $738,900 | $742,989 | 74 | <$5M | Research |
| Environmental Management Inc. | Administrative and Support and Waste Management | $646,114 | $649,075 | 47 | $8.9M | Research |
| Willow Creek Health Care, LLC | Health Care and Social Assistance | $613,100 | $616,863 | 94 | $16.0M | Research |
| Environmental Management, Inc. | Administrative and Support and Waste Management | $612,100 | $615,947 | 51 | $9.6M | Research |
| H2 Services LLC | Real Estate and Rental and Leasing | $442,800 | $441,829 | 32 | $14.5M | Research |
| Zeco Machine Incorporated | Manufacturing | $414,400 | $417,738 | 32 | $7.8M | Research |
| Zeco Machine Incorporated | Manufacturing | $414,400 | $416,217 | 28 | $6.8M | Research |
| Country Ford Mercury Inc. | Retail Trade | $399,800 | $402,787 | 37 | $9.3M | Research |
| Oklahoma Home Centers, LLC | Retail Trade | $364,600 | $368,145 | 37 | $7.6M | Research |
| Adg Blusource LLC | Wholesale Trade | $356,678 | $361,255 | 20 | $5.1M | Research |
| Adg Blusource LLC | Wholesale Trade | $356,677 | $359,441 | 20 | $5.1M | Research |
| Esvca LLC | Educational Services | $350,000 | $354,095 | 40 | $5.3M | Research |
| H2 Services LLC | Mining, Quarrying, and Oil and Gas Extraction | $348,947 | $350,701 | 28 | <$5M | Research |
| Oklahoma Millworks, INC | Manufacturing | $330,247 | $332,073 | 35 | $9.2M | Research |
| Integrity Heat & Air LLC | Construction | $287,400 | $289,179 | 26 | $6.6M | Research |
| S & T Oilfield Services LLP | Mining, Quarrying, and Oil and Gas Extraction | $285,300 | $286,972 | 17 | <$5M | Research |
| Vale Power Lines LLC | Construction | $270,044 | $272,894 | 20 | $6.6M | Research |
| Calvin Mays Oilfield Services, INC | Construction | $269,558 | $271,512 | 16 | <$5M | Research |