| # | Institution | Type | Metro | Assets | Efficiency ratio |
|---|---|---|---|---|---|
| 1 | Prescott Federal Credit Union Prescott, AZ | Credit Union | — | $11.0M | 139.29% |
| 2 | West Valley National Bank Goodyear, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $74.3M | 135.16% |
| 3 | Integro Bank Phoenix, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $195.6M | 108.16% |
| 4 | Alhambra Credit Union Phoenix, AZ | Credit Union | — | $34.2M | 96.46% |
| 5 | Gainey Business Bank Scottsdale, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $106.6M | 95.06% |
| 6 | Scottsdale Community Bank Scottsdale, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $125.2M | 91.17% |
| 7 | Banner Federal Credit Union Phoenix, AZ | Credit Union | — | $65.4M | 88.85% |
| 8 | Sunwest Federal Credit Union Glendale, AZ | Credit Union |
| — |
| $530.4M |
| 88.16% |
| 9 | Zenith Bank & Trust Scottsdale, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $133.0M | 87.99% |
| 10 | Rim Country Federal Credit Union Snowflake, AZ | Credit Union | — | $25.0M | 86.66% |
| 11 | Em Federal Credit Union Mesa, AZ | Credit Union | — | $11.5M | 86.42% |
| 12 | Winslow School Employees Federal Credit Union Winslow, AZ | Credit Union | — | $5.1M | 85.17% |
| 13 | Pinal County Federal Credit Union Casa Grande, AZ | Credit Union | — | $341.0M | 84.76% |
| 14 | Avenir Financial Federal Credit Union Yuma, AZ | Credit Union | — | $395.0M | 84.11% |
| 15 | Copper State Credit Union Phoenix, AZ | Credit Union | — | $672.1M | 81.22% |
| 16 | Mission Bank Kingman, AZ | Bank | Lake Havasu City-Kingman, AZ | $185.1M | 79.49% |
| 17 | First Credit Union Chandler, AZ | Credit Union | — | $785.8M | 79.04% |
| 18 | Goldwater Bank, N.A. Phoenix, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $551.9M | 78.27% |
| 19 | First American Credit Union Casa Grande, AZ | Credit Union | — | $111.8M | 77.61% |
| 20 | Coconino Federal Credit Union Flagstaff, AZ | Credit Union | — | $126.5M | 75.79% |
| 21 | Landings Credit Union Tempe, AZ | Credit Union | — | $264.2M | 75.57% |
| 22 | Desert Financial Credit Union Phoenix, AZ | Credit Union | — | $9.79B | 73.97% |
| 23 | USAA Federal Savings Bank Phoenix, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $106.19B | 69.23% |
| 24 | Southwest Heritage Bank Scottsdale, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $892.8M | 67.51% |
| 25 | OneAZ Credit Union Phoenix, AZ | Credit Union | — | $4.49B | 64.94% |
| 26 | Aero Federal Credit Union Glendale, AZ | Credit Union | — | $360.9M | 64.75% |
| 27 | Mohave Community Federal Credit Union Kingman, AZ | Credit Union | — | $61.3M | 64.29% |
| 28 | Southeastern Arizona Federal Credit Union Douglas, AZ | Credit Union | — | $49.0M | 63.19% |
| 29 | BNC National Bank Glendale, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $1.05B | 62.07% |
| 30 | Pima Federal Credit Union Tucson, AZ | Credit Union | — | $1.68B | 61.93% |
| 31 | Vantage West Credit Union Tucson, AZ | Credit Union | — | $3.30B | 60.39% |
| 32 | Western Alliance Bank Phoenix, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $98.57B | 55.67% |
| 33 | Hughes Federal Credit Union Tucson, AZ | Credit Union | — | $2.64B | 52.76% |
| 34 | Winslow Santa Fe Credit Union Winslow, AZ | Credit Union | — | $15.2M | 52.11% |
| 35 | Gateway Commercial Bank Mesa, AZ | Bank | Phoenix-Mesa-Chandler, AZ | $231.4M | 48.98% |