Unknown & Unclassified nonprofits
Unknown & Unclassified nonprofits. Browse 557,756 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- William a Peckham Tr 1
EIN 056016199 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Peckham Tr 2
EIN 056016120 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Rich Scholarship Fund Charitable Tr
EIN 046504012 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Richards Foundation
EIN 556076036 · Headquarters: BLUEFIELD, WV, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Richardson Trust Ui
EIN 046045863 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Russell Scholarship Fund
EIN 310906380 · Headquarters: REYNOLDSBURG, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William a Sayers Memorial Fund
EIN 316018064 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William a Stern Foundation
EIN 561841856 · Headquarters: GREENSBORO, NC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William A. Hunton YMCA
EIN 540663046 · Headquarters: Norfolk, VA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- William Alexander&Lida Alice Beach Memorial Trust
EIN 206926394 · Headquarters: Sioux Falls, SD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Allen Class of 1989
EIN 472317028 · Headquarters: Allentown, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- William Allen White Foundation Inc
EIN 480896065 · Headquarters: Lawrence, KS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William Almstedt Foundation
EIN 616040019 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Alberta S Keller Charitable
EIN 356060525 · Headquarters: HAMILTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William and Alice Hinckley Fund C/o First Unitarian Universalist Soc Sf
EIN 946080975 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Cynthia Marcus Family Charitable Trust
EIN 046042910 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Deborah Davis Family Foundation Inc
EIN 261595211 · Headquarters: NEWTOWN SQUARE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Donna Headrick Pet Foun
EIN 336568632 · Headquarters: ROCHEPORT, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William and Elise Bandow Scholarship
EIN 421209337 · Headquarters: DENISON, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- William and Helen Tredennick Foundation
EIN 237709273 · Headquarters: JACKSONVILLE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Inez Mabie Family Foundation
EIN 943054756 · Headquarters: Napa, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- William and Irene Weinberg Family Foundation Inc
EIN 521857755 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- William and Jemima Brossman Charita Charitable Foundation
EIN 236087844 · Headquarters: EPHRATA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Joan Truhlsen Family Foundation
EIN 926352296 · Headquarters: OMAHA, NE, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- William and Karen England Charitable Trust (WAKE Foundation)
EIN 526415690 · Headquarters: Fulton, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William and Lorene Nefsy Foundation
EIN 810473714 · Headquarters: Miles City, MT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Mae Brown Scholarship Fd
EIN 396427719 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William and Mary Salsa Club
EIN 352655618 · Headquarters: Williamsburg, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- William and Mildred Levine Foundation
EIN 161310753 · Headquarters: HUNTINGTON BEACH, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Nancy Anixter Family Foundation
EIN 363482640 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William and Patricia Bruno Charitable Foundation
EIN 873538350 · Headquarters: Chandler, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- William and Phyllis Price Foundation
EIN 881693802 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William and Sarah Speck Trust
EIN 386162140 · Headquarters: DETROIT, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Sylvia Zale Foundation
EIN 756037591 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Anderson Sportsmans Club Inc
EIN 381953817 · Headquarters: Hermansville, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- William Archie Schroeder Scholarship Trust
EIN 376267162 · Headquarters: PETERSBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Augustus Mccalla Memorial Trust
EIN 636128936 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B & V Nadine Maitland Irr
EIN 316635731 · Headquarters: HAMILTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B and Jane E Bram Foundation
EIN 136077391 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Bergen Foundation Inc
EIN 526051529 · Headquarters: Baldwin, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William B Clayton Jr Tr Ud
EIN 046366848 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Cullen Elementary PTA
EIN 956207234 · Headquarters: Glendora, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William B Douglas Tuw
EIN 576093976 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Hackett Memorial Scholarship Fund
EIN 270322740 · Headquarters: South Burlington, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William B Harrington Memorial Scholarship Fund
EIN 204961012 · Headquarters: PHOENIXVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- William B Haynes Trust
EIN 346509484 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Haynes Trust Ua Xxxxx3001
EIN 346516082 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Lake Foundation Ias
EIN 236266137 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William B Mawhinney Memorial Ambulance Corporation
EIN 226044001 · Headquarters: Hawthorne, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Ogden Free Library
EIN 150612045 · Headquarters: WALTON, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- William B Ogden Free Library Tuw Henry L Wood
EIN 166280039 · Headquarters: ONEONTA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Pollock Ii & Kathryn Challis
EIN 346514079 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Rice Aid Fund Inc
EIN 046058104 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William B S Harris Commandery 3 Knights Templar Pha
EIN 472904606 · Headquarters: Aurora, CO, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- William B Stoskopf Trust
EIN 366037230 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Travis Booster Club
EIN 752452749 · Headquarters: PAMPA, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William B Walker Tuw
EIN 046019088 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Ward Pta
EIN 136207780 · Headquarters: NEW ROCHELLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- William B Wilcox Charitable Trust
EIN 597169510 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Young Charitable Trust Xxxx9750
EIN 166207146 · Headquarters: PITTSFORD, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Babcock Trust C/o Episcopal Church in Connecticut
EIN 066026216 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Barry Foundation
EIN 436065281 · Headquarters: MARYVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- William Barry Love Foundation Inc
EIN 862872620 · Headquarters: MUSKOGEE, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Bartlett Xxxxx9004
EIN 356009334 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Bass Charitable Foundation C/o Robert Bass
EIN 232339056 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Beecher Scoville Foundation Inc
EIN 136184954 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Bick Trust 1020000695
EIN 356204396 · Headquarters: HAMILTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Birnbaum Trust 7111000035
EIN 736336624 · Headquarters: BIRMINGHAM, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Blair & Company Foundation
EIN 363092291 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Boss Foundation
EIN 416038452 · Headquarters: ST PAUL, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Bradstreet Tr - Children's Fund
EIN 237152377 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Bradstreet Tr 1908 Cfdn
EIN 016007104 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Bradstreet Tr 1909 Cfdn
EIN 016007103 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Bray Trust FBO Belfast Home 10-10-116-0032760
EIN 016010174 · Headquarters: Belfast, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Brian Moody Foundation
EIN 823481973 · Headquarters: CHARLESTON, SC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Briscoe Cemetery Trust Fund
EIN 746247440 · Headquarters: UVALDE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- William Bull Meek - William Morris Stewart Chapter 10 E Clampus
EIN 237167190 · Headquarters: Nevada City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William C & Antoinette M Childs Foundation
EIN 760358285 · Headquarters: KERRVILLE, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C & Lillye T Fischer Memorial Fund
EIN 346501038 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C and Mary L Krabiel College Opportunity Fund
EIN 426062832 · Headquarters: WINTERSET, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- William C and Mazy Bell Free Scholarship Fund C/o Karla Berentsen Trustee
EIN 956032103 · Headquarters: PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C and Theodosia Murphy Nolan Foundation
EIN 716049791 · Headquarters: EL DORADO, AR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Bullock Jr Family Foundation Co
EIN 016080947 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- William C Colburn Memorial
EIN 566049108 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Conner Foundation
EIN 756036724 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- William C Demetree Jr Foundation Inc
EIN 592750694 · Headquarters: WINTER PARK, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C Freeman
EIN 236202525 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Freeman
EIN 236202526 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Gehrlein and Janet C Gehrlein
EIN 336946112 · Headquarters: Hilton Head Island, SC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Johnston Tr
EIN 546452688 · Headquarters: RICHMOND, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C Knapp Charitable Fdn
EIN 421234012 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C Morin Sr Foundation
EIN 300797739 · Headquarters: Simpsonville, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William C Morris American Legion Auxiliary Unit 36
EIN 596155209 · Headquarters: Fort Lauderdale, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William C Morris American Legion Post 36
EIN 590563907 · Headquarters: FORT LAUDERDALE, FL, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- William C Paley Foundation Inc
EIN 521821231 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William C Schmoker Family Foundation
EIN 470772670 · Headquarters: EDEN PRAIRIE, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Schott Memorial Association
EIN 237249014 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William C Taylor - Irr Tr
EIN 526027549 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William C Webb Jr Foundation Inc
EIN 461643019 · Headquarters: ROYAL PALM BEACH, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- William Cameron Engine Company of Lewisburg Pa
EIN 231667465 · Headquarters: LEWISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990