Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| BOEING EMPLOYEES | TUKWILA, WA | 01-01-1935 | $28,931,364 | CU |
| Washington Federal Bank | Seattle, WA | 01-01-1917 | $26,719,225 | BK |
| Banner Bank | Walla Walla, WA | 01-01-1890 | $16,431,475 | BK |
| Washington Trust Bank | Spokane, WA | 11-03-1902 | $10,675,754 | BK |
| Heritage Bank | Olympia, WA | 01-01-1927 | $7,065,598 | BK |
| GESA | RICHLAND, WA | 01-01-1953 | $6,454,678 | CU |
| SPOKANE TEACHERS | LIBERTY LAKE, WA | 01-01-1934 | $6,337,140 | CU |
| WASHINGTON STATE EMPLOYEES | OLYMPIA, WA | 01-01-1957 | $5,120,133 | CU |
| Coastal Community Bank | Everett, WA | 04-01-1997 | $4,477,147 | BK |
| TWINSTAR | OLYMPIA, WA | 01-01-1938 | $4,296,072 | CU |
| NUMERICA | Spokane Valley, WA | 01-01-1937 | $4,071,099 | CU |
| SOUND | Tacoma, WA | 01-01-1940 | $3,203,995 | CU |
| 1st Security Bank of Washington | Mountlake Terrace, WA | 04-01-2004 | $3,175,832 | BK |
| WHATCOM EDUCATIONAL | Bellingham, WA | 01-01-1936 | $3,055,279 | CU |
| COLUMBIA COMMUNITY | VANCOUVER, WA | 01-01-1952 | $2,485,797 | CU |