Philanthropy, Voluntarism & Grantmaking Foundations nonprofits
Philanthropy, Voluntarism & Grantmaking Foundations nonprofits. Browse 130,670 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
- The Omega Foundation C/o James Feldman
EIN 542075805 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Ominsky Family Charitable Foundation Inc
EIN 451866500 · Headquarters: COLUMBIA, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- The Omnium Foundation
EIN 463384524 · Headquarters: ELKHORN, NE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Omofoye Foundation Inc
EIN 994816091 · Headquarters: SPRING, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The on It Foundation
EIN 912035992 · Headquarters: Miami, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Once Here Foundation
EIN 817001052 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Onda Foundation Inc
EIN 822019103 · Headquarters: Burlington, VT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Ondulado Fund Fka Richard Grinold Fund
EIN 900506349 · Headquarters: Pebble Beach, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The One Candle Foundation
EIN 311544403 · Headquarters: LAKEWOOD, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- The One Foundation
EIN 870576575 · Headquarters: PROVO, UT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The One Foundation
EIN 873519370 · Headquarters: Phoenix, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The One Foundation Inc
EIN 465214708 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The One Good Hand Foundation
EIN 137488978 · Headquarters: HARRISON, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The One He Loves
EIN 922297408 · Headquarters: Roanoke, TX, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The One Percent Foundation
EIN 208369273 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990
- The One Question Foundation Inc
EIN 920868034 · Headquarters: Fort Wayne, IN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Onerva Laine Miller Charitable Trust
EIN 546553882 · Headquarters: ACCIDENT, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Ong Family Foundation Co Law Office
EIN 133986239 · Headquarters: NEW YORK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Onota Foundation
EIN 850466560 · Headquarters: SANTA FE, NM, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- The Onward and Upward Charitable Foundation
EIN 474940206 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Onyx and Breezy Foundation
EIN 137437754 · Headquarters: Tuxedo, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Opaline Fund
EIN 203895397 · Headquarters: SAN FRANCISCO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Open Charitable Trust
EIN 461639459 · Headquarters: NEEDHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Open Door Foundation Inc
EIN 522028415 · Headquarters: HANOVER, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Open Hand Foundation
EIN 916525845 · Headquarters: WOODINVILLE, WA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Open Mind Legacy Project Inc C/o Hoberman & Lesser Llp
EIN 471540304 · Headquarters: NEW YORK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Open Penny Foundation
EIN 472616846 · Headquarters: Irving, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Operation Grace White Foundation Inc
EIN 472704134 · Headquarters: FORT WRIGHT, KY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Oppliger Hughes Foundation
EIN 202007028 · Headquarters: SPRING, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Opportune Moment Foundation
EIN 932246088 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Opportunity Foundation
EIN 204277066 · Headquarters: SAN DIEGO, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Opportunity Foundation Inc
EIN 263928645 · Headquarters: SARASOTA, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Oprah Winfrey Charitable Foundation
EIN 266908382 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Oprah Winfrey Leadership Academy Foundation
EIN 743048315 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Optima Charitable Foundation C/o Optima Asset Management Llc
EIN 261266975 · Headquarters: NEW YORK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Optimist Club of Orange County Inc
EIN 465280201 · Headquarters: Efland, NC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Optimist Club of the Beaches Charitable Trust
EIN 597211549 · Headquarters: PANAMA CITY BEACH, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Optimist Foundation of Adrian Missouri Inc
EIN 020775876 · Headquarters: ADRIAN, MO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Optimist Foundation of Greater Goulds Florida Inc
EIN 650581217 · Headquarters: GOULDS, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Optimus Foundation
EIN 273415722 · Headquarters: STRATFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Opus Foundation Inc
EIN 043695803 · Headquarters: RYE BROOK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Oram Foundation Inc
EIN 205264977 · Headquarters: Englewood, NJ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- The Orange County Endowment for Intellectual Advancement
EIN 473635822 · Headquarters: LAGUNA BEACH, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orange County Sheriff Foundation Inc
EIN 273302264 · Headquarters: ORLANDO, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Orbit Fund
EIN 367086541 · Headquarters: CHICAGO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orchard Family Foundation
EIN 836311507 · Headquarters: Diamond Bar, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orchard Farm Foundation
EIN 223626152 · Headquarters: WEST PALM BEACH, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orchard House Foundation -A Nevada Non Profit Corporation
EIN 880450156 · Headquarters: Reno, NV, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orchard Street Foundation
EIN 853585124 · Headquarters: Newton, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- The Orchid Foundation
EIN 813996068 · Headquarters: NEW YORK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Ord Foundation
EIN 207531434 · Headquarters: Palo Alto, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Ordinary Inc
EIN 473207207 · Headquarters: San Antonio, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- The Oregon American Legion Foundation
EIN 264119215 · Headquarters: Wilsonville, OR, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- The Oreilly Family Foundation
EIN 597124862 · Headquarters: ATLANTIC BEACH, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orenstein Family Foundation
EIN 061576951 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orfalea Family Foundation C/o Mcgowan Guntermann
EIN 770541226 · Headquarters: SANTA BARBARA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- The Orfalea Fund C/o Santa Barbara Foundation
EIN 731666502 · Headquarters: SANTA BARBARA, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990
- The Organix Foundation
EIN 980349699 · Headquarters: Montreal, Quebec, CA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Original Thomas Chapel A M E Zion Church Restoration Corporatio
EIN 113820871 · Headquarters: Black Mtn, NC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Oristano Scholar Fund
EIN 462226240 · Headquarters: TEQUESTA, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- The Orl Foundation Inc
EIN 823626898 · Headquarters: CARMEL, IN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orlandi Reel Charitable Trust
EIN 811905750 · Headquarters: NEW YORK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orlando Foundation C/o Frank P Orlando
EIN 232928154 · Headquarters: NAPLES, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orlebeke Foundation
EIN 462836655 · Headquarters: CHICAGO, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orleton Trust Fund
EIN 316024543 · Headquarters: CINCINNATI, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- The Orndorff Family Foundation C/o Joseph E Orndorff
EIN 823535021 · Headquarters: ESTERO, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Ornery One Inc
EIN 833701452 · Headquarters: HARRISON, AR, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Ornstein Family Foundation
EIN 462436018 · Headquarters: HOWELL, NJ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Ornstein Foundation Inc
EIN 852272032 · Headquarters: Hollywood, SC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orokawa Foundation Inc C/o Martin J Eby
EIN 201850543 · Headquarters: TOWSON, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orphiflamme Foundation
EIN 300117191 · Headquarters: Boulder, CO, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orr Family Foundation
EIN 473317225 · Headquarters: Austin, TX, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orr Foundationinc
EIN 202155386 · Headquarters: OLD WESTBURY, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- The Orr's Hope Foundation
EIN 822981466 · Headquarters: CASPER, WY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orrick Herrington & Sutcliffe Foundation
EIN 943372036 · Headquarters: WHEELING, WV, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Orrson Family Foundation Inc
EIN 471334325 · Headquarters: TOWSON, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orsher Family Foundation
EIN 854081320 · Headquarters: WYNDMOOR, PA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Orszag Foundation Inc Fka the Jonathan Orszag Foundation Inc
EIN 463942002 · Headquarters: LOS ANGELES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- The Ortale Family Foundation
EIN 621664345 · Headquarters: NASHVILLE, TN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- The Orthoalliance Employee Assistance Foundation
EIN 884040797 · Headquarters: CINCINNATI, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Ortner Family Foundation
EIN 475662226 · Headquarters: MCLEAN, VA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Orvis Charitable Foundation
EIN 831437443 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Osa Foundation
EIN 721589724 · Headquarters: Lincolnshire, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Osawatomie Community United Fund
EIN 480915354 · Headquarters: Osawatomie, KS, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- The Osborn Family Foundation Inc
EIN 582364422 · Headquarters: CUMMING, GA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Osc Charitable Foundation
EIN 467404269 · Headquarters: BUFFALO, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Oscar B Goodman Foundation
EIN 273195945 · Headquarters: Las Vegas, NV, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Oscar F Villarreal & Family Foundation
EIN 264709727 · Headquarters: PEPPER PIKE, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF
- The Oscar Mike Foundation
EIN 453819657 · Headquarters: POPLAR GROVE, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Osen Hunter Foundation
EIN 453997646 · Headquarters: RUCKERSVILLE, VA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- The Osgood-hilles Charitable Trust
EIN 471981241 · Headquarters: WEST WINDSOR, VT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Osherow Family Foundation
EIN 650717647 · Headquarters: CLIFTON, NJ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- The Osi Group Foundation
EIN 273722112 · Headquarters: AURORA, IL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Osman Foundation Inc
EIN 863198135 · Headquarters: YUMA, AZ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Osprey Foundation
EIN 364196989 · Headquarters: ISLAMORADA, FL, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- The Osprey Foundation Inc
EIN 141862154 · Headquarters: TOWSON, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Osprey Foundation Inc
EIN 203878472 · Headquarters: LOUISVILLE, TN, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Ostberg Foundation Inc
EIN 132963335 · Headquarters: ALPINE, NJ, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- The Oster Foundation
EIN 472226624 · Headquarters: BROOKLYN, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Osterman Family Foundation
EIN 461534293 · Headquarters: WHITINSVILLE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF