| Wallace Engineering - Structural Consultants, INC | Professional, Scientific, and Technical Services | $2,547,232 | $2,574,589 | 163 | $20.1M |  Research |
| Cyntergy Aec LLC | Professional, Scientific, and Technical Services | $2,542,200 | $2,571,647 | 145 | $20.3M | Research |
| Airco Services INC | Construction | $2,500,000 | $2,529,097 | 242 | $76.6M | Research |
| American Waste Control, Inc. | Administrative and Support and Waste Management | $2,486,900 | $2,516,190 | 200 | $37.8M | Research |
| Clifford Power Systems INC | Manufacturing | $2,460,000 | $2,488,973 | 159 | $41.6M | Research |
| Ipacesetters LLC | Administrative and Support and Waste Management | $2,449,900 | $1,969,825 | 300 | $56.8M | Research |
| Heat Transfer Equipment Company | Manufacturing | $2,431,300 | $1,954,958 | 133 | $32.5M | Research |
| Eagle Redi-Mix Concrete LLC | Manufacturing | $2,402,100 | $2,435,262 | 195 | $193.4M | Research |
| Circle B Measurement & Fabrication, LLC | Construction | $2,388,200 | $2,416,531 | 116 | $36.0M | Research |
| Jackie Cooper Imports of Tulsa, LLC | Retail Trade | $2,362,500 | $2,390,259 | 273 | $68.8M | Research |
| Urologic Specialists of Oklahoma, Inc. | Health Care and Social Assistance | $2,336,300 | $2,363,427 | 165 | $51.8M | Research |
| Paul Transportation | Transportation and Warehousing | $2,240,542 | $2,266,806 | 150 | $30.2M | Research |
| Indian Health Care Resource Center of Tulsa, INC | Health Care and Social Assistance | $2,213,200 | $947,935 | 166 | N/A | Research |
| Victory Christian Center INC | Other Services (except Public Administration) | $2,167,200 | $2,192,261 | 250 | N/A | Research |
| Tulsa Educare, INC | Other Services (except Public Administration) | $2,136,400 | $1,048,808 | 235 | N/A | Research |
| Select Engineering, Inc. | Professional, Scientific, and Technical Services | $2,128,237 | $2,153,185 | 51 | $6.3M | Research |
| Associated Mortgage Corporation | Finance and Insurance | $2,124,000 | $2,160,635 | 122 | $62.7M | Research |
| Ats Group LLC | Manufacturing | $2,119,300 | $2,145,111 | 50 | $13.1M | Research |
| Aberdeen Dynamics LLC | Wholesale Trade | $2,118,800 | $2,143,637 | 125 | $38.3M | Research |
| Parkside INC | Health Care and Social Assistance | $2,081,700 | $2,104,714 | 303 | N/A | Research |
| Hogan Assessment Systems, Inc. | Professional, Scientific, and Technical Services | $2,071,300 | $2,098,539 | 101 | $10.5M | Research |
| Energy Process Technologies INC | Manufacturing | $2,061,000 | $2,084,490 | 134 | $132.9M | Research |
| Pei Industries, LLC | Manufacturing | $2,045,500 | $2,068,197 | 150 | $41.9M | Research |
| Optimus Industries LLC | Manufacturing | $2,040,522 | $2,064,019 | 140 | $34.2M | Research |
| Cisco-Eagle, Inc. | Wholesale Trade | $2,018,500 | $2,041,657 | 126 | $38.6M | Research |