Nonprofits in Maryland
Nonprofits in Maryland. Browse 47,413 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
- American Federation of State County & Municipal Employees
EIN 521650797 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 521650803 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 521705683 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 521730402 · Headquarters: Williamsport, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 521831222 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 521976654 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 522038134 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Federation of State County & Municipal Employees
EIN 522130588 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 522187502 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 522192903 · Headquarters: Baltimore, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 522234266 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 522288856 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526054143 · Headquarters: Baltimore, MD, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526054899 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526054904 · Headquarters: Baltimore, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526076005 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526076007 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526076048 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526076053 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526076054 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Federation of State County & Municipal Employees
EIN 526082839 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526082841 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526082842 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 526082843 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 743210163 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 800576170 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 822166107 · Headquarters: Baltimore, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 882764220 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 900504691 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 900510979 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees
EIN 911986449 · Headquarters: Baltimore, MD, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Federation of State County & Municipal Employees Local 3655
EIN 522200693 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Federation of State County and Municipal Employees
EIN 450584149 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County and Municipal Employees
EIN 522107636 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County and Municipal Employes
EIN 364562762 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of State County Municipal Employees
EIN 520312840 · Headquarters: Poolesville, MD, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Federation of Teachers
EIN 521240703 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of Teachers
EIN 521796545 · Headquarters: Frederick, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of Teachers
EIN 521855616 · Headquarters: Towson, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Federation of Teachers
EIN 521987921 · Headquarters: Gwynn Oak, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Federation of Teachers
EIN 522104602 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Federation of Teachers-Maryland
EIN 520982221 · Headquarters: WINDSOR MILL, MD, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Fence Association Inc
EIN 522308251 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Ferret Association Inc
EIN 521718033 · Headquarters: Frederick, MD, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Fire Sprinkler Association
EIN 432089320 · Headquarters: Hampstead, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Fireworks Standards Laboratory Inc
EIN 630999016 · Headquarters: CHEVY CHASE, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- American First Day Cover Society
EIN 521411694 · Headquarters: Laurel, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Fisheries Society
EIN 521147144 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Fisheries Society
EIN 521370252 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Fisheries Society
EIN 521541675 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Fisheries Society
EIN 521628542 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Fisheries Society
EIN 521756091 · Headquarters: Bethesda, MD, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Fisheries Society
EIN 540683803 · Headquarters: BETHESDA, MD, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Fisheries Society Mn Chapter
EIN 237226670 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Forage and Grassland Council
EIN 311188450 · Headquarters: Keedysville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Foundation for Agricultural Development in Africa
EIN 460687527 · Headquarters: baltimore, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- American Foundation for Biological Research
EIN 362229561 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Foundation for Gender and Genital Medicine and Science Inc
EIN 521206568 · Headquarters: Baltimore, MD, US · Science & Technology · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Friends Darchei Israel Inc
EIN 832721447 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Friends for the Preservation of Saint Germain Des Pres Inc
EIN 454596326 · Headquarters: SALISBURY, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Friends of Ateres Bnos Yerushal
EIN 364244357 · Headquarters: BALTIMORE, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Bais Tefila
EIN 134195644 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Friends of Bait Shmaya Inc
EIN 521645788 · Headquarters: Baltimore, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Be'er Hatorahinc
EIN 521853235 · Headquarters: SILVER SPRINGS, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Beit Knesset Feigenson Inc
EIN 522151166 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Friends of Bletchley Park Inc
EIN 931522578 · Headquarters: Eden, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Friends of Celtic Saints
EIN 475630535 · Headquarters: RANDALLSTOWN, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Friends of Karmiels Students Chabad Inc
EIN 993781542 · Headquarters: SILVER SPRING, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Friends of Keren Ohr Inc
EIN 931542595 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Friends of Koidenov Inc
EIN 271081925 · Headquarters: Baltimore, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Kollel Emes LYaakov Inc
EIN 821320008 · Headquarters: Baltimore, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Friends of Lafayette
EIN 236298448 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Leeds Kollel Inc
EIN 932414879 · Headquarters: BALTIMORE, MD, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Friends of Matan Baseter Panama Inc
EIN 932569550 · Headquarters: BALTIMORE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Melitz Centers for Jewish-zionist Education
EIN 112891223 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990
- American Friends of Nimla Tal Inc
EIN 522050166 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Friends of Nir Oz
EIN 994809522 · Headquarters: KENSINGTON, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Friends of Romania Inc
EIN 521668752 · Headquarters: Bethesda, MD, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Friends of Talmud Tora Panama Inc
EIN 933812772 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Friends of Tenufa Bakehila
EIN 465300754 · Headquarters: BALTIMORE, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Friends of the Anne Frank House
EIN 521888106 · Headquarters: ROCKVILLE, MD, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- American Friends of the Genomics Centres of Excellence in Africa
EIN 994905852 · Headquarters: North Bethesda, MD, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Friends of the Israel Exploration Society
EIN 521313017 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Friends of the Isreal Council the Child Inc
EIN 262169840 · Headquarters: BETHESDA, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Friends of the Jerusalem Variety Child and Family Center In
EIN 521140586 · Headquarters: Rockville, MD, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Friends of the Munich Security Conference Inc
EIN 862357314 · Headquarters: Bethesda, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of the New Acropolis Museum
EIN 264085089 · Headquarters: Olney, MD, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- American Friends of the Us - Israel Binational Science Foundation
EIN 454296987 · Headquarters: NORTH BETHESDA, MD, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Toulouse School of Economics
EIN 815398738 · Headquarters: TIMONIUM, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Friends of Wingate
EIN 953920036 · Headquarters: POTOMAC, MD, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- American Friends of Yeshivas Horav Bengis Inc
EIN 237208137 · Headquarters: BALTIMORE, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Friends of Yeshivat Zichron Shlomo Inc
EIN 271701165 · Headquarters: BALTIMORE, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Gastroenterological Association Inc
EIN 202986410 · Headquarters: BETHESDA, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Gastroenterological Association Institute
EIN 366066325 · Headquarters: BETHESDA, MD, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Gays and Lesbians Foundation
EIN 474115043 · Headquarters: Silver Spring, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Gold Sports Alliance Inc
EIN 851388026 · Headquarters: Rockville, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- American Group Psychotherapy Association Inc
EIN 541259120 · Headquarters: BOWIE, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Guild of Appraisers
EIN 832448334 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Guild of Organists
EIN 472294530 · Headquarters: Easton, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Guild of Organists
EIN 521170474 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N