| # | Institution | Type | Metro | Assets | Efficiency ratio |
|---|---|---|---|---|---|
| 1 | Gateway Metro Federal Credit Union Saint Louis, MO | Credit Union | — | $177.1M | 278.89% |
| 2 | Wedevelopment Federal Credit Union Kansas City, MO | Credit Union | — | $2.6M | 224.67% |
| 3 | Bothwell Hospital Employees Credit Union Sedalia, MO | Credit Union | — | $1.6M | 206.12% |
| 4 | Paramount Bank Hazelwood, MO | Bank | St. Louis, MO-IL | $86.6M | 148.35% |
| 5 | Flat Branch Bank Richmond, MO | Bank | Kansas City, MO-KS | $92.8M | 115.56% |
| 6 | St. Louis Newspaper Carriers Credit Union Fenton, MO | Credit Union | — | $19.8M | 111.95% |
| 7 | Volt Credit Union Springfield, MO | Credit Union | — | $84.2M | 111.19% |
| 8 | Neighbors Bank Clarence, MO |
| Bank |
| — |
| $115.6M |
| 107.44% |
| 9 | Kansas City Credit Union Kansas City, MO | Credit Union | — | $47.7M | 98.17% |
| 10 | J C Federal Employees Credit Union Jefferson City, MO | Credit Union | — | $2.7M | 97.32% |
| 11 | Southeast Missouri Community Credit Union Park Hills, MO | Credit Union | — | $6.2M | 93.88% |
| 12 | Leadco Community Credit Union Farmington, MO | Credit Union | — | $23.0M | 93.78% |
| 13 | County Credit Union Clayton, MO | Credit Union | — | $26.2M | 93.57% |
| 14 | Northeast Regional Credit Union Hannibal, MO | Credit Union | — | $1.8M | 93.41% |
| 15 | Kc Unidos Federal Credit Union Kansas City, MO | Credit Union | — | $8.5M | 92.78% |
| 16 | Central Missouri Community Credit Union Warrensburg, MO | Credit Union | — | $141.6M | 91.02% |
| 17 | Vantage Credit Union Saint Charles, MO | Credit Union | — | $1.15B | 90.61% |
| 18 | R G Federal Credit Union Raymore, MO | Credit Union | — | $146.7M | 89.82% |
| 19 | FMB Bank Wright City, MO | Bank | St. Louis, MO-IL | $51.2M | 89.24% |
| 20 | Catholic Family Credit Union Kansas City, MO | Credit Union | — | $17.1M | 89.14% |
| 21 | Carroll County Trust Company of Carrollton, Missouri Carrollton, MO | Bank | — | $207.6M | 88.31% |
| 22 | Northwest Missouri Regional Credit Union Maryville, MO | Credit Union | — | $11.6M | 88.23% |
| 23 | Missouri Central Credit Union Lees Summit, MO | Credit Union | — | $125.1M | 88.12% |
| 24 | Missouri Baptist Credit Union Jefferson City, MO | Credit Union | — | $10.5M | 88.06% |
| 25 | Assemblies Of God Credit Union Springfield, MO | Credit Union | — | $446.7M | 87.39% |
| 26 | Stationery Credit Union Saint Joseph, MO | Credit Union | — | $17.0M | 87.07% |
| 27 | Summit Ridge Credit Union Lees Summit, MO | Credit Union | — | $19.4M | 86.79% |
| 28 | St. Louis Policemen`S Credit Union Saint Louis, MO | Credit Union | — | $20.5M | 86.37% |
| 29 | Multi-States Credit Union Springfield, MO | Credit Union | — | $89.2M | 85.83% |
| 30 | Raytown-Lee's Summit Community Credit Union Raytown, MO | Credit Union | — | $59.6M | 85.51% |
| 31 | Horizon Credit Union Macon, MO | Credit Union | — | $57.5M | 84.46% |
| 32 | Four States Bank Carthage, MO | Bank | Joplin, MO | $142.1M | 84.40% |
| 33 | First Missouri Credit Union Saint Louis, MO | Credit Union | — | $121.2M | 84.31% |
| 34 | First Federal Bank of Kansas City Lees Summit, MO | Bank | Kansas City, MO-KS | $992.5M | 84.11% |
| 35 | Lutheran Federal Credit Union Saint Louis, MO | Credit Union | — | $39.6M | 83.94% |
| 36 | St. Johns Bank and Trust Company Saint Louis, MO | Bank | St. Louis, MO-IL | $297.1M | 83.20% |
| 37 | St. Louis Community Credit Union Saint Louis, MO | Credit Union | — | $442.9M | 82.92% |
| 38 | Telcomm Credit Union Springfield, MO | Credit Union | — | $330.3M | 82.75% |
| 39 | South Central Missouri Credit Union Willow Springs, MO | Credit Union | — | $9.2M | 82.66% |
| 40 | Holy Rosary Credit Union Kansas City, MO | Credit Union | — | $46.9M | 82.27% |
| 41 | HomePride Bank Mansfield, MO | Bank | — | $125.3M | 82.18% |
| 42 | United Credit Union Mexico, MO | Credit Union | — | $303.7M | 82.16% |
| 43 | K.C. Area Credit Union Kansas City, MO | Credit Union | — | $11.5M | 82.09% |
| 44 | Members 1St Credit Union Saint Louis, MO | Credit Union | — | $75.0M | 81.90% |
| 45 | Educational Community Credit Union Springfield, MO | Credit Union | — | $77.1M | 81.87% |
| 46 | FCNB Bank Steelville, MO | Bank | — | $220.4M | 81.68% |
| 47 | Kennett Trust Bank Kennett, MO | Bank | Kennett, MO | $122.1M | 80.56% |
| 48 | Commercial Bank Saint Louis, MO | Bank | St. Louis, MO-IL | $282.9M | 80.28% |
| 49 | Bank of Iberia Iberia, MO | Bank | — | $73.9M | 80.19% |
| 50 | Highway Crossroads Credit Union Sikeston, MO | Credit Union | — | $25.0M | 80.17% |