Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| BOEING EMPLOYEES | TUKWILA, WA | 01-01-1935 | $29,364,424 | CU |
| WaFd Bank | Seattle, WA | 01-01-1917 | $27,269,094 | BK |
| Banner Bank | Walla Walla, WA | 01-01-1890 | $16,347,870 | BK |
| Washington Trust Bank | Spokane, WA | 11-03-1902 | $10,682,990 | BK |
| Heritage Bank | Olympia, WA | 01-01-1927 | $6,962,943 | BK |
| GESA | RICHLAND, WA | 01-01-1953 | $6,516,668 | CU |
| SPOKANE TEACHERS | LIBERTY LAKE, WA | 01-01-1934 | $6,322,080 | CU |
| WASHINGTON STATE EMPLOYEES | OLYMPIA, WA | 01-01-1957 | $5,087,394 | CU |
| Coastal Community Bank | Everett, WA | 04-01-1997 | $4,737,899 | BK |
| PEAK | OLYMPIA, WA | 01-01-1938 | $4,326,869 | CU |
| NUMERICA | Spokane Valley, WA | 01-01-1937 | $4,214,789 | CU |
| SOUND | Tacoma, WA | 01-01-1940 | $3,339,034 | CU |
| WHATCOM EDUCATIONAL | Bellingham, WA | 01-01-1936 | $3,331,778 | CU |
| 1st Security Bank of Washington | Mountlake Terrace, WA | 04-01-2004 | $3,196,183 | BK |
| HARBORSTONE | TACOMA, WA | 01-01-1955 | $3,072,971 | CU |