| # | Institution | Type | Metro | Assets | Efficiency ratio |
|---|---|---|---|---|---|
| 1 | Young Americans Bank Denver, CO | Bank | Denver-Aurora-Lakewood, CO | $15.5M | 455.47% |
| 2 | Champion Bank Parker, CO | Bank | Denver-Aurora-Lakewood, CO | $41.7M | 140.64% |
| 3 | Akron Federal Credit Union Akron, CO | Credit Union | — | $474K | 123.26% |
| 4 | Co-Ne Federal Credit Union Julesburg, CO | Credit Union | — | $4.5M | 113.21% |
| 5 | One Thirteen Credit Union Colorado Spring, CO | Credit Union | — | $8.6M | 102.22% |
| 6 | Transact Bank, National Association Denver, CO | Bank | Denver-Aurora-Lakewood, CO | $6.5M | 99.01% |
| 7 | Coloramo Federal Credit Union Grand Junction, CO | Credit Union | — | $194.7M | 98.59% |
| 8 | Century Savings and Loan Association Trinidad, CO |
| Bank |
| — |
| $75.3M |
| 97.73% |
| 9 | Fidelis Catholic Federal Credit Union Arvada, CO | Credit Union | — | $151.6M | 97.57% |
| 10 | Foothills Credit Union Wheat Ridge, CO | Credit Union | — | $163.3M | 96.79% |
| 11 | Columbine Federal Credit Union Centennial, CO | Credit Union | — | $78.5M | 96.47% |
| 12 | Equitable Savings and Loan Association Sterling, CO | Bank | Sterling, CO | $168.3M | 93.63% |
| 13 | Options Credit Union Littleton, CO | Credit Union | — | $5.4M | 93.48% |
| 14 | Red Rocks Credit Union Littleton, CO | Credit Union | — | $354.4M | 92.54% |
| 15 | Colorado Credit Union Littleton, CO | Credit Union | — | $439.5M | 91.85% |
| 16 | Minnequa Works Credit Union Pueblo, CO | Credit Union | — | $273.9M | 89.86% |
| 17 | The District Federal Credit Union Aurora, CO | Credit Union | — | $150.6M | 89.43% |
| 18 | Westminster Federal Credit Union Westminster, CO | Credit Union | — | $53.4M | 89.08% |
| 19 | Gunnison Savings and Loan Association Gunnison, CO | Bank | — | $102.2M | 88.52% |
| 20 | Denver Community CU D.B.A. Zing CU Denver, CO | Credit Union | — | $416.7M | 86.49% |
| 21 | Meritrust Credit Union Broomfield, CO | Credit Union | — | $4.19B | 86.47% |
| 22 | Fellowship Credit Union Lamar, CO | Credit Union | — | $65.5M | 85.73% |
| 23 | Affidian Federal Credit Union Denver, CO | Credit Union | — | $362.5M | 85.70% |
| 24 | Westerra Credit Union Denver, CO | Credit Union | — | $2.05B | 85.39% |
| 25 | Northern Colorado Credit Union Greeley, CO | Credit Union | — | $75.4M | 85.16% |
| 26 | The First National Bank in Trinidad Trinidad, CO | Bank | — | $250.5M | 84.86% |
| 27 | Moffat County Schools Federal Credit Union Craig, CO | Credit Union | — | $6.6M | 84.73% |
| 28 | Fitzsimons Federal Credit Union Aurora, CO | Credit Union | — | $214.6M | 84.46% |
| 29 | Aurora Federal Credit Union Aurora, CO | Credit Union | — | $138.8M | 84.15% |
| 30 | RG Bank, A Savings and Loan Association Monte Vista, CO | Bank | — | $136.7M | 83.81% |
| 31 | Power Credit Union Pueblo, CO | Credit Union | — | $156.0M | 83.70% |
| 32 | Bankers' Bank of the West Denver, CO | Bank | Denver-Aurora-Lakewood, CO | $433.6M | 83.30% |
| 33 | Valley Educators Credit Union Alamosa, CO | Credit Union | — | $6.4M | 83.28% |
| 34 | Arapahoe Credit Union Littleton, CO | Credit Union | — | $157.3M | 83.25% |
| 35 | The Citizens State Bank of Ouray Ouray, CO | Bank | Montrose, CO | $231.2M | 83.11% |
| 36 | Pikes Peak National Bank Colorado Springs, CO | Bank | Colorado Springs, CO | $110.8M | 82.87% |
| 37 | Metrum Community Credit Union Centennial, CO | Credit Union | — | $112.9M | 82.84% |
| 38 | Horizons North Credit Union Westminster, CO | Credit Union | — | $135.6M | 82.71% |
| 39 | Fort Morgan Schools Federal Credit Union Fort Morgan, CO | Credit Union | — | $5.4M | 82.41% |
| 40 | Elevations Credit Union Boulder, CO | Credit Union | — | $3.54B | 81.48% |
| 41 | First American State Bank Greenwood Village, CO | Bank | Denver-Aurora-Lakewood, CO | $276.9M | 80.88% |
| 42 | First Southwest Bank Durango, CO | Bank | Durango, CO | $657.5M | 79.89% |
| 43 | Rio Blanco Schools Federal Credit Union Rangely, CO | Credit Union | — | $9.2M | 79.29% |
| 44 | Park State Bank & Trust Woodland Park, CO | Bank | Colorado Springs, CO | $162.3M | 78.95% |
| 45 | Grand Junction Federal Credit Union Grand Junction, CO | Credit Union | — | $114.2M | 78.87% |
| 46 | Weld Community Credit Union Greeley, CO | Credit Union | — | $110.9M | 78.45% |
| 47 | ANB Bank Denver, CO | Bank | Denver-Aurora-Lakewood, CO | $2.85B | 77.99% |
| 48 | The Farmers State Bank of Brush Brush, CO | Bank | Fort Morgan, CO | $116.6M | 76.66% |
| 49 | Fortis Bank Denver, CO | Bank | Denver-Aurora-Lakewood, CO | $1.35B | 75.91% |
| 50 | Redstone Bank Centennial, CO | Bank | Denver-Aurora-Lakewood, CO | $298.2M | 75.56% |