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 Legion Dept of Maryla Southern Maryland Region
EIN 853160052 · Headquarters: CLINTON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Dept of MD
EIN 521054164 · Headquarters: Indian Head, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Dewey
EIN 520741922 · Headquarters: Halethorpe, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Duncan Showell
EIN 526114481 · Headquarters: BERLIN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Legion Edwin Adams Post 293
EIN 521100871 · Headquarters: WALDORF, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Legion Farrady Post 2
EIN 520222818 · Headquarters: FROSTBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Francis Scott Key Post11
EIN 520222819 · Headquarters: FREDERICK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion General Colin L Powell Post 809
EIN 981909404 · Headquarters: White Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Greenbelt Post 136 Inc
EIN 520661847 · Headquarters: GREENBELT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Harry White Wilmer Post 82
EIN 520614435 · Headquarters: LA PLATA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Hesson Snider Post 120
EIN 520851965 · Headquarters: TANEYTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Inc Maryland District 0001
EIN 853220061 · Headquarters: Rock Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Inc Morris Frock Post 42
EIN 520222817 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Inc Post 202
EIN 520565993 · Headquarters: WILLIAMSPORT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post
EIN 521617057 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Legion Post #187
EIN 526077910 · Headquarters: CURTIS BAY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post #93
EIN 520567968 · Headquarters: Pocomoke City, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Legion Post 0017
EIN 520556555 · Headquarters: Edgewood, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 0095 Gen Joseph Haller Post
EIN 520972371 · Headquarters: Baltimore, MD, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- American Legion Post 0130 Inc
EIN 520965327 · Headquarters: Perry Hall, MD, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 0208
EIN 526077897 · Headquarters: ACCIDENT, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Post 0296
EIN 521297405 · Headquarters: QUEENSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 10 Clopper Michael Post 10
EIN 520576112 · Headquarters: BOONSBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Post 116
EIN 526077945 · Headquarters: Reisterstown, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Legion Post 121
EIN 520565988 · Headquarters: EMMITSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 171
EIN 526077915 · Headquarters: Damascus, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 18 Jeff Davis
EIN 520625125 · Headquarters: CENTREVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 217
EIN 520651432 · Headquarters: COLLEGE PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Post 221 of Southern Maryland
EIN 526078376 · Headquarters: AVENUE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Legion Post 248 Inc
EIN 526076045 · Headquarters: TEMPLE HILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 274
EIN 520800071 · Headquarters: Lusby, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 275 Glenarden
EIN 526078030 · Headquarters: Glenarden, MD, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- American Legion Post 277 Pasadena
EIN 526054900 · Headquarters: Pasadena, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 34 - Patrick Henry
EIN 526077988 · Headquarters: Brooklyn, MD, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- American Legion Post 38 Dundalk
EIN 520572105 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 64
EIN 520573732 · Headquarters: SALISBURY, MD, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Post 7
EIN 521311818 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post 86
EIN 526077959 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Legion Post Barber-briggs Post 104
EIN 237085859 · Headquarters: gaithersburg, MD, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- American Legion Post No 268
EIN 521060673 · Headquarters: WHEATON, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- American Legion Post-unit 122
EIN 521254696 · Headquarters: Owings Mills, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Legion Ridge Post 255
EIN 526078022 · Headquarters: RIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Legion Springhill Post 237
EIN 521088546 · Headquarters: HEBRON, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Legion Victory Post 155
EIN 526077925 · Headquarters: Westernport, MD, USA · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990
- American Legion Western Maryland
EIN 521300680 · Headquarters: Thurmont, MD, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- American Li Yun Foundation Inc
EIN 208781645 · Headquarters: CLARKSVILLE, MD, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- American Logistics Assn
EIN 521876190 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Lumber Standard Committee Incorporated
EIN 521951446 · Headquarters: FREDERICK, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Machine Tool Distributors' Association
EIN 530258001 · Headquarters: ROCKVILLE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990
- American Made Alliance Inc
EIN 203034447 · Headquarters: BALTIMORE, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Marketing Association
EIN 521354840 · Headquarters: PIKESVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Medical Global Exchange AMGE
EIN 464967882 · Headquarters: Brookeville, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Medical Writers Association
EIN 351058129 · Headquarters: GAITHERSBURG, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Medical Writers Association Mid-atlantic Ch Inc
EIN 815289090 · Headquarters: Columbia, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Medieval Combat Federation Llc
EIN 825172384 · Headquarters: New Market, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- American Midwifery Certification Board
EIN 521716709 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Military Enlisted Society
EIN 521319095 · Headquarters: UPPER MARLBORO, MD, USA · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- American Military Medical Impression
EIN 522039822 · Headquarters: Upper Marlboro, MD, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Minority Veterans Research Project
EIN 364916923 · Headquarters: SILVER SPRING, MD, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Music Therapy Association
EIN 486107868 · Headquarters: SILVER SPRING, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Music Therapy Association Affiliates
EIN 522347169 · Headquarters: SILVER SPRING, MD, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- American Muslim Scholarship Foundation Inc
EIN 825517305 · Headquarters: COLUMBIA, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Muslim Senior Society Inc
EIN 810785191 · Headquarters: Silver Spring, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Nephrology Nurses Association
EIN 300636361 · Headquarters: Manchester, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Nephrology Nurses Association
EIN 320311820 · Headquarters: ROCKVILLE, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Nurses and Community Partnership
EIN 922145903 · Headquarters: Bowie, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Nurses Association Inc
EIN 131893923 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Nurses Credentialing Center
EIN 431565726 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Nurses Foundation Inc
EIN 131893924 · Headquarters: SILVER SPRING, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Obesity Association
EIN 391818022 · Headquarters: Silver Spring, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Occupational Therapy Association
EIN 131526422 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Orff-schulwerk Association
EIN 830422251 · Headquarters: Catonsville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Outlaws Baltimore Brigade Inc
EIN 475660770 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Outlaws Dc Chapter
EIN 455564711 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Pain Foundation Inc
EIN 522002328 · Headquarters: BALTIMORE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990
- American Patriotic Monuments Inc
EIN 333307820 · Headquarters: QUEENSTOWN, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Pharmaceutical Association
EIN 526052864 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Pharmacists Association Academy of Student Pharmacists
EIN 264629677 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Physical Society
EIN 131656610 · Headquarters: COLLEGE PARK, MD, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Physiological Society
EIN 530204660 · Headquarters: Rockville, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Pipeline Contractors Association Inc
EIN 731273951 · Headquarters: CHURCHTON, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Planning Association
EIN 521037760 · Headquarters: Gaithersburg, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- American Planning Association
EIN 521251821 · Headquarters: Owings Mills, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- American Podiatric Medical Association Educational Foundation Inc
EIN 521268752 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Podiatric Medical Association Inc
EIN 530239502 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Postal Workers Accident Benefit Association
EIN 237056629 · Headquarters: Cumberland, MD, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Postal Workers Accident Benefit Association
EIN 237062753 · Headquarters: CAPITOL HEIGHTS, MD, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- American Postal Workers Accident Benefit Association
EIN 520964452 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237021535 · Headquarters: Salisbury, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Postal Workers Union
EIN 237345031 · Headquarters: UPPER MARLBORO, MD, US · Mutual & Membership Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237345066 · Headquarters: CUMBERLAND, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 520783415 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Postal Workers Union
EIN 526055370 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 526070301 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Postal Workers Union 512 Southwest Maryland Bay Area Local
EIN 521099388 · Headquarters: GAMBRILLS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Postal Workers Union Afl Cio Health
EIN 520940594 · Headquarters: ELKRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Postal Workers Union Afl-cio Health Plan Health and Welfare Trust Agreement
EIN 522035053 · Headquarters: ELKRIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Power Boat Association Region Iv Inc
EIN 202142668 · Headquarters: Havre de Grace, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Program for Educational Enhancement Developing Countries
EIN 522109448 · Headquarters: Silver Spring, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- American Prosthodontic Foundation
EIN 364226361 · Headquarters: Germantown, MD, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ