| 49,962 Washington Tax-Exempt Organizations |
|
| Name | Address | Established | Total Income |
|---|
| Sietar Usa | PO BOX 608, Marengo, IL 60152-0608 | 2002-05 | $164,588 |
| Sifa Hope Services Org, Sifa Hope Services | 4230 S 262nd St, Kent, WA 98032-7165 | 2014-09 | $0 |
| Siff | 305 Harrison St, Seattle, WA 98109-4623 | 1991-10 | $696,766 |
| Sifton Elementary Pto | 7301 Ne 137th Ave, Vancouver, WA 98682 | 2013-11 | $0 |
| Sightconnection | 9709 3rd Ave Ne Ste 100, Seattle, WA 98115-2027 | 1956-12 | $4,480,684 |
| Sightlife | 1200 6th Ave Ste 300, Seattle, WA 98101-1128 | 1970-03 | $24,652,808 |
| Sightline Institute, Northwest Environment Watch | 1402 3rd Ave Ste 500, Seattle, WA 98101-2130 | 1998-06 | $2,219,792 |
| Sigma Alpha Epsilon Fraternity, Province Phi | 1960 N Holl Blvd, Liberty Lake, WA 99016-5115 | 1968-10 | $0 |
| Sigma Alpha Epsilon Fraternity, Wash Alpha Chapter | 4506 17th Ave Ne, Seattle, WA 98105-4204 | 1940-11 | $478,443 |
| Sigma Chapter Of Alpha Phi Holding | 4710 19th Ave Ne, Seattle, WA 98105-3305 | 1942-10 | $817,298 |
| Sigma Chi Building Association | 5048 Roosevelt Way Ne, Seattle, WA 98105-3611 | 1921-11 | $308,755 |
| Sigma Chi Club Of Pullman | 608 Ne California St, Pullman, WA 99163-4006 | 1936-01 | $0 |
| Sigma Chi Fraternity | 1139 Wheelock Student Center, Tacoma, WA 98416 | 1940-05 | $62,436 |
| Sigma Chi Fraternity, Beta Upsilon Chapt Wash State Univ | 810 Ne California St, Pullman, WA 99163-4031 | 1940-05 | $0 |
| Sigma Chi Fraternity, Gamma Epsilon Chap Whitman College | PO BOX 1616, Walla Walla, WA 99362-0030 | 1937-02 | $206,281 |
| Sigma Chi Fraternity, Upsilon Upsilon Chap Univ Of Wa | 5048 Roosevelt Way Ne, Seattle, WA 98105-3611 | 1940-05 | $783,248 |
| Sigma Delta Epsilon Graduate Women In Science Inc | Po Box 645610, Pullman, WA 99164-5610 | 1944-04 | $0 |
| Sigma Gamma Rho Sorority Inc, Delta Psi Sigma | 10709 38th Ave Ne, Seattle, WA 98125 | 1982-01 | $0 |
| Sigma Gamma Rho Sorority Inc, Zeta Phi Sigma | Po Box 1051, Puyallup, WA 98375 | 1962-03 | $0 |
| Sigma Gamma Tau National Honor Society In Aerospace Engineering | University Of Washington Po Box 352400, Seattle, WA 98195-0007 | 1955-04 | $0 |
| Sigma Kappa Sorority, Alpha Gamma Chapter | 720 Ne Campus St, Pullman, WA 99163-4274 | 1943-01 | $71,406 |
| Sigma Kappa Sorority, Mu Chapter | 4510 22nd Ave Ne, Seattle, WA 98105-5701 | 1943-01 | $117,229 |
| Sigma Kappa Sorority, Seattle Wa Alumnae Chapter Of Sigma Kappa Sorority | 963 N Allen Pl, Seattle, WA 98103 | | $0 |
| Sigma Kappa Sorority, Spokane Wa Alumnae Chapter Of Sigma Kappa Sorority | 10608 E Sinto Ave, Spokane Valley, WA 99206-3960 | 1943-01 | $0 |
| Sigma Kappa Sorority, Tacoma Wa Alumnae Chapter Of Sigma Kappa Sorority | 12422 89th Ave E, Puyallup, WA 98373 | 1943-01 | $0 |
| Sigma Kappa Sorority, Tri Cities Wa Alumnae Chapter | 8606 W 6th Ave, Kennewick, WA 99336-8616 | 1943-01 | $0 |
| Sigma Nu Fraternity | 640 Ne Campus St, Pullman, WA 99163 | 1967-08 | $583,933 |
| Sigma Nu Fraternity, Gamma Chi | 1616 Ne 47th St, Seattle, WA 98105-4220 | 1967-08 | $280,991 |
| Sigma Nu Fraternity, Theta Lambda | 220 College Ave, Cheney, WA 99004-1623 | 1971-07 | $0 |
| Sigma Phi Alpha Dental Hygiene Honor Society | 16101 Greenwood Avenue North, Shoreline, WA 98133 | 1967-03 | $0 |
| Sigma Phi Alpha Dental Hygiene Honor Society | 1015 S 16th Ave, Yakima, WA 98902 | 1967-03 | $0 |
| Sigma Phi Alpha Dental Hygiene Honor Society | 310 N Riverpoint Blvd Room 160, Spokane, WA 99202 | 1967-03 | $0 |
| Sigma Phi Alpha Dental Hygiene Honor Society | 9401 Farwest Drive Sw, Lakewood, WA 98498 | 1967-03 | $0 |
| Sigma Phi Alpha Dental Hygiene Honor Society | 1933 Fort Vancouver Way, Vancouver, WA 98663 | 1967-03 | $0 |
| Sigma Phi Epsilon Building Corporation | 545 Andover Park W, Tukwila, WA 98188-3347 | 1944-03 | $215,100 |
| Sigma Phi Epsilon Fraternity Inc, Wa Alpha | 610 Ne Colorado St, Pullman, WA 99163-4063 | 1941-01 | $60,000 |
| Sigma Phi Epsilon Fraternity Inc, Wa Beta Chapter | 545 Andover Park West Suite 21, Seattle, WA 98188-3347 | 1944-03 | $607,849 |
| Sigma Phi Epsilon Washington Gamma Alumni Assn, Sigma Phi Epsilon | 13412 E Copper River Ln, Spokane, WA 99206-7068 | 2014-09 | $82,865 |
| Sigma Phi Gamma International Sorority Inc | 26056 Se 156th Street, Issaquah, WA 98027 | 1967-02 | $0 |
| Sigma Phi Gamma International Sorority Inc | 3717 Sw Raymond, Seattle, WA 98126 | 1969-11 | $0 |
| Sigma Phi Gamma International Sorority Inc | 6425 196th Street Sw Apt 327, Lynnwood, WA 98036 | 1967-02 | $0 |
| Sigma Phi Gamma International Sorority Inc | 30008 N E 112th Ave, Battle Ground, WA 98604 | 1967-02 | $0 |
| Sigma Phi Gamma International Sorority Inc, Mu Sigma Alumna | PO BOX 63, Oysterville, WA 98641-0063 | 1967-02 | $0 |
| Sigma Sigma Phi, Sigma Sigma Phi Gamma Delta Chapter Pacific Northwest University Of Health Sciences | 200 University Parkway, Yakima, WA 98901 | 1958-06 | $0 |
| Sigma Sigma Sigma Inc, Seattle Tri Sigma Alumnae Chapter Sigma Seattle Alumnae Chapter | 5624 Yakima Ave, Tacoma, WA 98408 | 1943-06 | $0 |
| Sigma Tau Association | 601 Union St Ste 4747, Seattle, WA 98101-2340 | 1966-03 | $189,408 |
| Sigma Tau Educational Foundation | 19900 144th Ave Ne, Woodinville, WA 98072-4460 | 1993-04 | $36,859 |
| Sigma Tau Of Kappa Delta Housing Association | 726 W 6th Ave Apt 104, Spokane, WA 99204-2810 | 1928-04 | $427,132 |
| Sigma Theta Tau Inc | 13034 Sw 220th St, Vashon Island, WA 98070 | 1967-07 | $0 |
| Sigma Theta Tau Inc, Delta Chi-At-Large Chapter | Wsu Con - Snrs 127 - Po Box 1495, Spokane, WA 99210-1495 | 1954-12 | $0 |
| Sigma Theta Tau International Inc | Box 357260, Seattle, WA 98195 | 1966-08 | $0 |
| Sign Fracture Care International, Sign | 451 Hills St Ste B Suite B, Richland, WA 99354-5502 | 1999-12 | $6,083,301 |
| Sign Of The Orz | 2020 El Capitan Way, Everett, WA 98208 | 2003-10 | $9,521 |
| Sign-A-Vision Institute | PO BOX 27349, Seattle, WA 98165-1849 | 1988-07 | $0 |
| Signal Arts Foundation, Pioneer Company Drum & Bugle Corps | 4330 148th Ave Ne, Redmond, WA 98052-5152 | 2015-01 | $0 |
| Sigurd M & Borghild P Aarvik Crat, Aarvik Sigurd M & Borghild P Co-Tte | 431 Nw 100th Pl Apt 415, Seattle, WA 98177-4954 | | $0 |
| Sikh Centre Of Seattle | 20412 Bothell Everett Hwy, Bothell, WA 98012-7133 | 2009-05 | $317,437 |
| Sikh Dharma Brotherhood, Of Washington | 5837 Oberlin Ave Ne, Seattle, WA 98105-2125 | 1977-07 | $0 |
| Siksha Foundation | 9405 Ne 120th St Apt M101, Kirkland, WA 98034 | 2008-02 | $1,372,382 |
| Silent Environment Educational Kamp | Pobox28567, Bellingahm, WA 98228 | 1976-06 | $0 |
| Silent Wave Horse Rescue | 5 Ramsay Ln, White Salmon, WA 98672-8820 | 2015-03 | $0 |
| Silhouette Dancers | Po Box 277, Yakima, WA 98907 | | $0 |
| Siloam Korean Church | 21411-100th Avenue Se, Kent, WA 98031 | 1997-03 | $0 |
| Silvana Community Association | Po Box 223, Silvana, WA 98287 | 2014-12 | $0 |
| Silvana Volunteer Firefighter Association | 2720 212th Street Nw, Stanwood, WA 98292 | 2002-03 | $0 |
| Silver Anniversary Symposium Fund | 1959 Ne Pacific St Box 357444, Seattle, WA 98195-7444 | 1984-05 | $0 |
| Silver Beach Education Association | 4101 Academy St, Bellingham, WA 98226-4499 | 1995-01 | $73,606 |
| Silver Buckle Youth Equestrian Center | PO BOX 1416, Brush Prairie, WA 98606-0019 | 2000-10 | $137,137 |
| Silver Cloud Foundation | 1445 Evergreen Point Rd, Medina, WA 98039-3133 | 2014-02 | $1,019,293 |
| Silver Cloud Special Cat Services | 505 N 6th Avw, Walla Walla, WA 99362 | 2014-08 | $0 |
| Silver Creek Ethel Grange 150, Washington State Grange | 1532 Us Highway 12, Ethel, WA 98542 | 2014-04 | $0 |
| Silver Dollar Club Inc | PO BOX 268, Snohomish, WA 98291-0268 | 1952-01 | $0 |
| Silver Eagles Association Inc | 4274 Cedar Vista Dr, Clinton, WA 98236-9696 | | $0 |
| Silver Firs Pta Everett Council 7 3 44 | 5909 146th Pl Se, Everett, WA 98208 | 1997-01 | $35,195 |
| Silver Lake Action Committee | 11915 Silver Lake Dr, Everett, WA 98208 | 1991-05 | $0 |
| Silver Lake Baptist Church | 12918 35th Ave Se, Everett, WA 98208-5619 | 1964-08 | $0 |
| Silver Lake Church | 12918 35th Ave Se, Everett, WA 98208-5619 | 1964-08 | $0 |
| Silver Lake Elementary Pta 7 3 45 | 12815 Bothell-Everett Hwy, Everett, WA 98208 | 2009-01 | $0 |
| Silver Lake Elementary Pta Federal Way Council 9453 | 1310 Sw 325th Place, Federal Way, WA 98023 | 1997-11 | $0 |
| Silver Lake Football Association | 5714 134th Pl Se Ste A18, Everett, WA 98208-9421 | 2002-01 | $79,044 |
| Silver Lake Grange No 105 | 148 Ramsey Rd, Chehalis, WA 98532-8908 | 2014-02 | $0 |
| Silver Lake Senior Housing Association | 11627 Airport Road, Everett, WA 98204-8736 | 1987-05 | $335,471 |
| Silver Lake Youth Soccer Club | PO BOX 12543, Mill Creek, WA 98082-0543 | 1986-11 | $154,298 |
| Silver Ridge Pta 1 3 22 Attn Washington State Pta | 1304 South Fawcett Ave Suite 300, Tacoma, WA 98402 | 1994-11 | $0 |
| Silver Springs Estates Community Association | Po Box 745, Stanwood, WA 98292 | 2014-08 | $0 |
| Silver Spur Club | PO BOX 272, Silverdale, WA 98383-0272 | 2007-04 | $81,352 |
| Silver Spurs 4-H Club | 627 Linden Rd, Bellingham, WA 98225 | | $0 |
| Silver Spurs Booster | 1426 E 19th Ave, Spokane, WA 99203-3712 | 1958-05 | $14,328 |
| Silver Star Art & Culture Center | 635 N 185th Street, Shoreline, WA 98133 | 2004-08 | $0 |
| Silver Star Pta | 2003 65th Ave W, Tacoma, WA 98466 | 1997-07 | $12,726 |
| Silver Star Pto | 10500 Ne 86th St, Vancouver, WA 98662-2167 | 1976-06 | $0 |
| Silver Star Search & Rescue | Po Box 443, Washougal, WA 98671 | 1992-02 | $17,689 |
| Silver Stars Square Dance Club | Po Box 821041, Vancouver, WA 98682 | 1987-03 | $0 |
| Silver View Senior Housing Association | 11627 Airport Road, Everett, WA 98204-8736 | 1994-12 | $196,103 |
| Silvercrown Mountain Outdoor School | Po Box 653, Northport, WA 99157 | 2010-06 | $0 |
| Silverdale Branch 310 Fleet Reserve Association | 11281 Old Frontier Rd Nw, Silverdale, WA 98383 | 1984-12 | $0 |
| Silverdale Chamber Of Commerce | 3100 Nw Bucklin Hill Rd Ste 100, Silverdale, WA 98383-8359 | 1974-08 | $215,377 |
| Silverdale Community Center | PO BOX 401, Silverdale, WA 98383-0401 | 1986-02 | $0 |
| Silverdale Community Center | PO BOX 513, Silverdale, WA 98383-0513 | 1986-02 | $0 |
| Silverdale Elementary Ptsa | 9100 Nw Dickey Rd, Silverdale, WA 98383 | 1986-05 | $0 |
| Silverdale Girls Fastpitch Association, No No | Po Box 2320, Silverdale, WA 98383 | 2007-10 | $0 |
| Silverdale Grange No 879 | 4140 D Street, Bremerton, WA 98312 | 2013-10 | $0 |
| Silverdale Lutheran Church | 11701 Ridgepoint Dr Nw, Silverdale, WA 98383-7721 | 1987-04 | $0 |
| Silverdale Lutheran Preschool | 11701 Ridgetop Dr Nw, Silverdale, WA 98383 | 1988-04 | $0 |
| Silverdale Pee Wee Adult Assn | PO BOX 44, Silverdale, WA 98383-0044 | 1978-08 | $195,544 |
| Silverdale Rotary Club Foundation | PO BOX 151, Silverdale, WA 98383-0151 | 1995-08 | $275,951 |
| Silverdale Sunrise Lions Charitabel Foundation | 9222 Bay Shore Dr Nw Ste 150, Silverdale, WA 98383 | 2000-10 | $0 |
| Silverdale Sunrise Rotary Foundation | PO BOX 1142, Silverdale, WA 98383-1142 | 2004-09 | $59,324 |
| Silverdale Whaling Days | PO BOX 2021, Silverdale, WA 98383-2021 | 1992-07 | $98,235 |
| Silverman Charitable Remainder Unitrust, J William Attridge Ttee | 2020 Woodland Loop Se, Lacey, WA 98503-2587 | | $0 |
| Silverthorn Estate Inc | 5627 Lake Saint Clair Dr Se, Olympia, WA 98513-9215 | 1992-07 | $0 |
| Silverwood School | 14000 Central Valley Rd Nw, Poulsbo, WA 98370-8146 | 1991-08 | $674,297 |
| Silvia Center Community Club | 116 W Marcy Ave, Montesano, WA 98563 | 1977-12 | $0 |
| Simmons Payee Service Inc | PO BOX 3833, Lacey, WA 98509-3833 | 2003-04 | $86,198 |
| Simon Cyrene Society | PO BOX 201, Monroe, WA 98272-0201 | 1982-05 | $399,369 |
| Simon Edison Foundation Inc | PO BOX 697, Stanwood, WA 98292-0697 | 1962-07 | $282,740 |
| Simon Peter Ministries | 4161 Mccullough Rd, Yakima, WA 98903-9542 | 1999-07 | $1,300 |
| Simone 4 Children | 2022 2nd Ave N, Seattle, WA 98109-2506 | 2004-05 | $9,382 |
| Simons Net | 350 N 24th Ave, Yakima, WA 98902-2364 | 2004-08 | $0 |
| Simperman-Corette Foundation | 5609 80th Ave Se, Mercer Island, WA 98040-4831 | 1995-02 | $141,067 |
| Simple Justice | 2300 W 43rd St, Seattle, WA 98103-7670 | 1994-02 | $0 |
| Simple Measures | PO BOX 94493, Seattle, WA 98124-6793 | 2005-12 | $57,205 |
| Simple Path | 11609 2nd Ave Nw, Seattle, WA 98177 | 2011-10 | $0 |
| Simple Truth | Po Box 14654, Spokane Valley, WA 99214 | 2001-09 | $0 |
| Simplicity Educational Services, Simplicity Learning | 12443 Bel Red Road Suite 360, Bellevue, WA 98005 | 2014-07 | $0 |
| Simpson Families Helping Simpson Families | PO BOX 1803, Mccleary, WA 98557 | 2003-04 | $0 |
| Simpson Recreation Association Inc | Po Box 544, Shelton, WA 98584 | 1961-01 | $0 |
| Simpson Tacoma Kraft Community Care | 801 Portland Ave, Tacoma, WA 98421 | 2001-09 | $0 |
| Sinclair Inlet Yacht Club | Po Box 1197, Port Orchard, WA 98366 | 1979-11 | $0 |
| Sinegal Family Foundation | 4245 Hunts Point Rd, Hunts Point, WA 98004-1107 | 1999-10 | $388,502 |
| Singing Wood Foundation Inc | C/O - David Carleton 7409 Sw 259th, Vashon, WA 98070 | 1966-04 | $313,488 |