| # | Name | Location | Assets | Members | ROA |
|---|---|---|---|---|---|
| 1 | Tinker Federal Credit Union | Oklahoma City, OK | $6.12B | 488,459 | 0.82% |
| 2 | Ttcu Federal Credit Union | Tulsa, OK | $2.71B | 147,634 | 0.91% |
| 3 | Communication Federal Credit Union | Oklahoma City, OK | $2.38B | 134,555 | 1.03% |
| 4 | Weokie Federal Credit Union | Oklahoma City, OK | $1.50B | 69,632 | 0.82% |
| 5 | Truity Federal Credit Union | Bartlesville, OK | $1.32B | 76,124 | -0.07% |
| 6 | Westreet Federal Credit Union | Tulsa, OK | $966.8M | 61,218 | 0.17% |
| 7 | Oklahoma's Federal Credit Union | Oklahoma City, OK | $954.5M | 60,077 | 0.91% |
| 8 | True Sky Federal Credit Union | Oklahoma City, OK | $778.4M | 63,806 | 0.23% |
| 9 | Oklahoma Central Credit Union | Tulsa, OK | $760.2M |
| 43,241 |
| 0.54% |
| 10 | Fort Sill Federal Credit Union | Lawton, OK | $394.2M | 23,088 | 0.81% |
| 11 | Allegiance Federal Credit Union | Oklahoma City, OK | $372.5M | 23,942 | 0.87% |
| 12 | Oklahoma Educators Credit Union | Oklahoma City, OK | $305.2M | 11,106 | 0.66% |
| 13 | Energy One Federal Credit Union | Tulsa, OK | $300.7M | 16,357 | 0.84% |
| 14 | Red Crown Federal Credit Union | Tulsa, OK | $256.7M | 18,433 | 0.15% |
| 15 | Okunity Federal Credit Union | Stillwater, OK | $214.7M | 12,836 | 0.71% |
| 16 | U. S. Employees O. C. Federal Credit Union | Oklahoma City, OK | $213.5M | 15,372 | 0.73% |
| 17 | Oklahoma Federal Credit Union | Oklahoma City, OK | $198.9M | 9,502 | 1.66% |
| 18 | Endurance Federal Credit Union | Duncan, OK | $196.5M | 13,200 | 0.70% |
| 19 | Municipal Emps CU Of Oklahoma City Credit Union | Oklahoma City, OK | $190.5M | 9,442 | 0.31% |
| 20 | Western Sun Federal Credit Union | Broken Arrow, OK | $181.5M | 25,873 | 0.09% |
| 21 | Red River Federal Credit Union | Altus, OK | $168.4M | 9,090 | 1.55% |
| 22 | The Focus Federal Credit Union | Oklahoma City, OK | $163.2M | 12,390 | 0.03% |
| 23 | Green Country Federal Credit Union | Sand Springs, OK | $155.4M | 11,402 | -0.86% |
| 24 | First Family Federal Credit Union | Henryetta, OK | $154.4M | 19,340 | 0.52% |
| 25 | Southwest Oklahoma Federal Credit Union | Lawton, OK | $116.4M | 4,818 | 2.00% |
| 26 | Muskogee Federal Credit Union | Muskogee, OK | $112.0M | 8,184 | 1.84% |
| 27 | Cherokee Strip Credit Union | Ponca City, OK | $106.0M | 9,032 | -0.17% |
| 28 | Ou Federal Credit Union | Norman, OK | $82.7M | 14,308 | 0.88% |
| 29 | Dfcu Tulsa Federal Credit Union | Tulsa, OK | $65.5M | 7,891 | 0.60% |
| 30 | Fraternal Order Of Police Federal Credit Union | Tulsa, OK | $56.7M | 3,292 | 1.11% |
| 31 | Employees Federal Credit Union | Tulsa, OK | $46.8M | 3,397 | 0.25% |
| 32 | Fire Fighters Credit Union | Tulsa, OK | $45.4M | 2,710 | 1.04% |
| 33 | Saint Francis Employees Federal Credit Union | Tulsa, OK | $44.7M | 5,901 | 1.24% |
| 34 | Bison Federal Credit Union | Shawnee, OK | $42.5M | 3,789 | 0.68% |
| 35 | Credit Union One Of Oklahoma Credit Union | Oklahoma City, OK | $39.9M | 3,407 | 0.09% |
| 36 | Comanche County Federal Credit Union | Lawton, OK | $36.4M | 3,228 | 1.44% |
| 37 | Ok Federal Credit Union | Bartlesville, OK | $26.4M | 3,557 | 1.17% |
| 38 | Energize Credit Union | Oklahoma City, OK | $25.4M | 2,741 | 0.49% |
| 39 | Department Of Public Safety Federal Credit Union | Oklahoma City, OK | $25.3M | 2,396 | -0.28% |
| 40 | Ok Members First Federal Credit Union | Tulsa, OK | $24.4M | 3,263 | 0.33% |
| 41 | Encentus Federal Credit Union | Tulsa, OK | $21.4M | 4,527 | 0.18% |
| 42 | Integris Federal Credit Union | Oklahoma City, OK | $14.4M | 1,678 | -0.12% |
| 43 | Mcalester Aap Federal Credit Union | Mcalester, OK | $12.4M | 1,330 | 1.62% |
| 44 | Correctional Workers Federal Credit Union | El Reno, OK | $10.5M | 1,476 | 0.72% |
| 45 | United Members Federal Credit Union | Tulsa, OK | $10.4M | 1,224 | 0.47% |
| 46 | Arbuckle Federal Credit Union | Ada, OK | $10.3M | 1,035 | 0.40% |
| 47 | Cooperative Employees Credit Union | Anadarko, OK | $10.0M | 956 | 0.55% |
| 48 | Teachers Credit Union | Oklahoma City, OK | $6.3M | 1,282 | -1.45% |
| 49 | Growing Oaks Federal Credit Union | Goldsby, OK | $4.1M | 504 | 0.10% |
| 50 | Otoe-Missouria Federal Credit Union | Red Rock, OK | $3.5M | 714 | -3.74% |
| 51 | Velma Federal Credit Union | Velma, OK | $3.1M | 689 | 2.08% |
| 52 | Morning Star Federal Credit Union | Tulsa, OK | $1.1M | 402 | 0.52% |