Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| BOEING EMPLOYEES | TUKWILA, WA | 01-01-1935 | $29,871,889 | CU |
| Washington Federal Bank | Seattle, WA | 01-01-1917 | $22,637,277 | BK |
| Banner Bank | Walla Walla, WA | 01-01-1890 | $15,667,813 | BK |
| Washington Trust Bank | Spokane, WA | 11-03-1902 | $11,435,840 | BK |
| HomeStreet Bank | Seattle, WA | 08-18-1986 | $9,378,379 | BK |
| Heritage Bank | Olympia, WA | 01-01-1927 | $7,171,501 | BK |
| SPOKANE TEACHERS | LIBERTY LAKE, WA | 01-01-1934 | $5,788,275 | CU |
| GESA | RICHLAND, WA | 01-01-1953 | $5,461,069 | CU |
| WASHINGTON STATE EMPLOYEES | OLYMPIA, WA | 01-01-1957 | $5,357,265 | CU |
| TWINSTAR | OLYMPIA, WA | 01-01-1938 | $4,200,816 | CU |
| NUMERICA | Spokane Valley, WA | 01-01-1937 | $3,929,830 | CU |
| Coastal Community Bank | Everett, WA | 04-01-1997 | $3,749,496 | BK |
| 1st Security Bank of Washington | Mountlake Terrace, WA | 04-01-2004 | $2,972,308 | BK |
| SOUND | Tacoma, WA | 01-01-1940 | $2,910,185 | CU |
| WHATCOM EDUCATIONAL | Bellingham, WA | 01-01-1936 | $2,766,280 | CU |