| 1 | Saint Francis Hospital INC Tulsa, OK | $1.8B | $4.1B |
| 2 | Integris Baptist Medical Center INC Oklahoma City, OK | $1.2B | $2.0B |
| 3 | Mercy Hospital Oklahoma City INC Oklahoma City, OK | $810.2M | $626.2M |
| 4 | George Kaiser Family Foundation Tulsa, OK | $549.7M | $5.1B |
| 5 | Integris Health INC Oklahoma, OK | $437.7M | $2.2B |
| 6 | Feed the Children INC Oklahoma City, OK | $408.9M | $172.8M |
| 7 | University of Tulsa Tulsa, OK | $330.3M | $1.7B |
| 8 | Integris South Oklahoma City Hospital Corporation Oklahoma City, OK | $317.0M | $251.7M |
| 9 | Integris Rural Health INC Oklahoma City, OK | $307.1M | $246.9M |
| 10 | Tulsa Community Foundation Tulsa, OK | $297.9M | $1.1B |
| 11 | Delta Dental Plan of Oklahoma Oklahoma City, OK | $296.1M | $116.7M |
| 12 | Integris Ambulatory Care Corporation Oklahoma City, OK | $275.1M | $220.9M |
| 13 | Community Strategies INC Oklahoma City, OK | $266.3M | $54.5M |
| 14 | Oklahoma State University Foundation Stillwater, OK | $242.7M | $1.6B |
| 15 | Saint Francis Hospital South LLC Tulsa, OK | $227.2M | $249.6M |
| 16 | Warren Clinic INC Tulsa, OK | $224.5M | $149.8M |
| 17 | University of Oklahoma Foundation INC Norman, OK | $218.7M | $2.8B |
| 18 | Saint Francis Hospital Muskogee INC Tulsa, OK | $218.6M | $200.4M |
| 19 | Duncan Regional Hospital INC Duncan, OK | $214.3M | $271.0M |
| 20 | Grand Lake Mental Health Center INC Tulsa, OK | $206.9M | $88.4M |
| 21 | Mercy Hospital Ardmore INC Ardmore, OK | $202.4M | $95.2M |
| 22 | Oral Roberts University Tulsa, OK | $192.9M | $306.1M |
| 23 | Oklahoma Blood Institute Oklahoma City, OK | $155.9M | $119.9M |
| 24 | Integris Health Edmond INC Oklahoma City, OK | $138.8M | $221.4M |
| 25 | Mercy Hospital Ada INC Ada, OK | $138.3M | $64.5M |
| 26 | St. John Health System INC Tulsa, OK | $135.5M | $22.5M |
| 27 | Family & Childrens Service INC Tulsa, OK | $134.1M | $145.3M |
| 28 | Ttcu Federal Credit Union Tulsa, OK | $133.1M | $2.7B |
| 29 | Oklahoma Medical Research Foundation Oklahoma City, OK | $132.3M | $528.8M |
| 30 | The Childrens Center INC Bethany, OK | $131.5M | $126.1M |
| 31 | Oklahoma City University Oklahoma City, OK | $122.0M | $384.4M |
| 32 | Crossseed INC Tulsa, OK | $121.9M | $122.1M |
| 33 | Regional Food Bank of Oklahoma Oklahoma City, OK | $115.6M | $34.8M |
| 34 | Oklahoma City Community Foundation INC Oklahoma City, OK | $107.0M | $974.0M |
| 35 | Tri-county Electric Cooperative INC Hooker, OK | $103.8M | $359.2M |
| 36 | Creoks Mental Health Services Tulsa, OK | $98.3M | $62.4M |
| 37 | Variety Care INC Oklahoma City, OK | $97.8M | $88.0M |
| 38 | Oklahoma Baptist University Shawnee, OK | $96.6M | $326.6M |
| 39 | Verdigris Valley Electric Cooperative Incorporated Collinsville, OK | $93.6M | $238.5M |
| 40 | Central Oklahoma American Indian Health Council INC Oklahoma City, OK | $92.6M | $110.2M |
| 41 | Central Rural Electric Cooperative Stillwater, OK | $88.5M | $322.7M |
| 42 | Cotton Electric Cooperative INC Walters, OK | $83.2M | $187.2M |
| 43 | Canadian Valley Electric Cooperative INC Seminole, OK | $81.9M | $241.3M |
| 44 | National Rural Water Association Duncan, OK | $81.8M | $89.1M |
| 45 | Cimarron Electric Cooperative INC Kingfisher, OK | $76.0M | $189.3M |
| 46 | Lake Region Electric Cooperative INC Hulbert, OK | $74.4M | $274.9M |
| 47 | Citgo Employees Benefit Trust Tulsa, OK | $73.8M | $33.0M |
| 48 | Central Oklahoma Family Medical Center INC Konawa, OK | $73.7M | $33.3M |
| 49 | Oklahoma Mental Health Council Oklahoma City, OK | $73.3M | $110.6M |
| 50 | Oklahoma Christian University INC Edmond, OK | $70.4M | $120.9M |