Nonprofits in Rockville, Maryland
Nonprofits in Rockville, Maryland. Browse 1,494 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 Russell Family Foundation
EIN 262068212 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- The Scleroderma Foundation of Greater Washington Dc
EIN 815402622 · Headquarters: ROCKVILLE, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Simone Bender Cancer Research Fund Inc
EIN 204746961 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- The Stanley Medical Research Institute
EIN 061610506 · Headquarters: ROCKVILLE, MD, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Tauber-manovill Family Fdn
EIN 461726409 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Tomares Family Foundation Inc
EIN 522103332 · Headquarters: ROCKVILLE, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Tree House Child Advocacy Center of Montgomery County MD Inc
EIN 814269650 · Headquarters: Rockville, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Tshimaz Foundation Inc
EIN 923223875 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- The Village at Rockville
EIN 530196624 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Washington Intl Piano Festival
EIN 264438921 · Headquarters: ROCKVILLE, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Wish Initiative Inc
EIN 833876043 · Headquarters: Rockville, MD, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- The Wolf Family Charitable Trust
EIN 136208693 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Theater Studio Experiment Inc
EIN 823659943 · Headquarters: Rockville, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Thomas S Wootton High School PTSA
EIN 521703987 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Thy Servants
EIN 882056508 · Headquarters: ROCKVILLE, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Tilden Middle School Parent Teacher Organization Inc
EIN 521321324 · Headquarters: ROCKVILLE, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Tilden Middle School Parent Teacher Organization Inc
EIN 823516262 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Tilden Woods Recreation Association Inc
EIN 526056436 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- TLC - The Treatment & Learning Centers
EIN 520607924 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Toastmasters International
EIN 201231854 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 201835051 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 203216995 · Headquarters: Rockville, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 203223901 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 203234456 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 205088817 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 205111094 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 205597197 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 237095670 · Headquarters: ROCKVILLE, MD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 237096014 · Headquarters: ROCKVILLE, MD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 260069677 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 521976839 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 522265919 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 562665865 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 753001691 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900359045 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900367134 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900390499 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900398601 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900527107 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900544407 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900588549 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900736797 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900740544 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900744142 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900762485 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 900765336 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901027293 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901061469 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901113974 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901133715 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901134041 · Headquarters: Rockville, MD, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 901187319 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 942925766 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 942925976 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Toastmasters International
EIN 942931456 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Trader Foundation for Maryland Burial Sites Inc
EIN 474981055 · Headquarters: Rockville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- TransCen Inc
EIN 521487462 · Headquarters: Rockville, MD, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Transformations of Montgomery County Inc
EIN 800474417 · Headquarters: Rockville, MD, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Transportation Communications Union
EIN 726001815 · Headquarters: Rockville, MD, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Transportation Communications Union - Iam Job Training Fund Inc
EIN 460588177 · Headquarters: Rockville, MD, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Transportation Communications Union/IAM
EIN 316000450 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Transportation-communications Union
EIN 341653910 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Transportation-communications Union
EIN 800507054 · Headquarters: Rockville, MD, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Trinity Terrace Inc
EIN 522293450 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Trip Mcnealy Foundation
EIN 824403008 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Trubios Foundation Inc
EIN 270350125 · Headquarters: Rockville, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Trust Practice and Risk Management Association
EIN 471209875 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Tsinghua Alumni Association in Greater Washington Dc Inc
EIN 474061676 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Tung-hsin Choral Society Inc
EIN 521321054 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Turkish American Scientists And
EIN 201149471 · Headquarters: ROCKVILLE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990
- Turkish Policy Center Inc
EIN 810577418 · Headquarters: ROCKVILLE, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Twigs of Montgomery County MD
EIN 331351564 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Twinbrook Citizens Association Inc
EIN 526056041 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Twinbrook Swimming Pool Corporation
EIN 520658767 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Twinbrook Village Inc
EIN 831049965 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- U S N R C Child Development Center Inc
EIN 521819455 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- UET - Lahore Alumni Association USA Inc
EIN 521968928 · Headquarters: Rockville, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Unicare Medical Solutions Inc
EIN 820620673 · Headquarters: Rockville, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Unicorn Projects Inc
EIN 521116355 · Headquarters: ROCKVILLE, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Union of Chinese American Professional Organizations Inc
EIN 461362551 · Headquarters: Rockville, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United Capital Blades Speedskating Club
EIN 462388644 · Headquarters: ROCKVILLE, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- United Citizens and Friends of Mumford Association
EIN 465033762 · Headquarters: ROCKVILLE, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- United Protective Officers Union
EIN 881211673 · Headquarters: Rockville, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Australian Rules Football League Umpires Associatio
EIN 464464379 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 237229599 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United States-colombia Cultural & Educational Foundation
EIN 270479181 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- United States-colombia International Chamber of Commerce
EIN 270479064 · Headquarters: ROCKVILLE, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- United States-iran Chamber of Commerce Inc
EIN 464698657 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United Veterinary Services Association Inc
EIN 382696481 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Unity Is Strength Inc
EIN 991491359 · Headquarters: Rockville, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- University of Organic Agriculture
EIN 923125267 · Headquarters: ROCKVILLE, MD, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Us Albacore Association
EIN 880709926 · Headquarters: ROCKVILLE, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Us Center for Chinese Medicine by Bucm Incorporated
EIN 352544023 · Headquarters: ROCKVILLE, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Us China Professionals Association Inc
EIN 812766261 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Us Japan Baseball Exchange Inc
EIN 814458055 · Headquarters: Rockville, MD, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Us Travel Insurance Association Inc
EIN 412141786 · Headquarters: ROCKVILLE, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- USA Ball Hockey Foundation Inc
EIN 842365274 · Headquarters: Rockville, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- USA Cancer Foundation Inc
EIN 472282680 · Headquarters: ROCKVILLE, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- USP
EIN 131656692 · Headquarters: ROCKVILLE, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- USPC Foundation
EIN 463065881 · Headquarters: Rockville, MD, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ