| Other organizations in Washington |
| Id | Name | Address | State | Established | Total Income |
| 1 | Arc Dance Productions | PO BOX 9997, Seattle, WA 98109-0997 | WA | 1999-10 | $270,050 |
| 2 | Arc Of Southwest Washington, Clark County | 6511 Ne 18th St, Vancouver, WA 98661-6869 | WA | 1998-05 | $1,163,959 |
| 3 | Arc Of Cowiltz Valley | Po Box 2608, Vancouver, WA 98668 | WA | 2000-02 | $83,238 |
| 4 | Arc Of Tri Cities Foundation | PO BOX 1122, Richland, WA 99352-1122 | WA | 2006-08 | $405,313 |
| 5 | Arc Of Tri-Cities | 1455 Fowler St, Richland, WA 99352-4717 | WA | 1998-07 | $2,094,336 |
| 6 | Arc Of Whatcom County | 2602 Mcleod Rd, Bellingham, WA 98225-1368 | WA | 1997-12 | $315,688 |
| 7 | Arc-King County | 233 6th Ave N, Seattle, WA 98109-5005 | WA | 1980-05 | $2,919,810 |
| 8 | Archdiocesan Housing Authority, Catholic Housing Services | 100 23rd Ave S, Seattle, WA 98144-2302 | WA | 1946-03 | $14,480,159 |
| 9 | Architects & Engineers Legislative Council | 11061 Ne 2nd St Ste 250, Bellevue, WA 98004-5892 | WA | 1980-03 | $54,302 |
| 10 | Arctic Medical Foundation | PO BOX 4477, Federal Way, WA 98063-4477 | WA | 1998-05 | $26,542 |
| 11 | Argonaut Housing Assocation | 1651 Bellevue Ave, Seattle, WA 98122-2014 | WA | 1984-05 | $80,672 |
| 12 | Argus Manor Association | PO BOX 99250, Lakewood, WA 98496-0250 | WA | 1994-09 | $413,025 |
| 13 | Ark Foundation | 5217 21st Ave Ne, Seattle, WA 98105-3334 | WA | 1982-11 | $3,379 |
| 14 | Ark Institute Of Learning | 1916 S Washington St, Tacoma, WA 98405-1025 | WA | 2007-03 | $518,880 |
| 15 | Arlene Mcvie Skating Foundation | 3013 Se Spyglass Dr, Vancouver, WA 98683-3704 | WA | 2006-05 | $0 |
| 16 | Arlington Christian School | PO BOX 3337, Arlington, WA 98223-3337 | WA | 1976-01 | $101,815 |
| 17 | Arlington Community Food Bank | 19118 63rd Ave Ne, Arlington, WA 98223-8729 | WA | 1990-05 | $1,156,533 |
| 18 | Arlington Education Association Arlington School District No 16 | PO BOX 323, Arlington, WA 98223-0323 | WA | 1967-05 | $56,424 |
| 19 | Arlington Education Foundation | 135 S French Ave Ste A, Arlington, WA 98223-2605 | WA | 2002-12 | $62,328 |
| 20 | Arlington High School Booster Club | PO BOX 574, Arlington, WA 98223-0501 | WA | 1994-01 | $106,844 |
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