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
- Knights of Columbus
EIN 521923385 · Headquarters: Fallston, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521925950 · Headquarters: Pasadena, MD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521931727 · Headquarters: Taneytown, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521938269 · Headquarters: Rosedale, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521941573 · Headquarters: Laurel, MD, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521951029 · Headquarters: Pocomoke City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521951632 · Headquarters: Middletown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521957071 · Headquarters: Jefferson, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521967157 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521985562 · Headquarters: Ijamsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 521988998 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522005298 · Headquarters: Prince Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522006618 · Headquarters: Clarksville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522069064 · Headquarters: Montgomery Village, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522082606 · Headquarters: Pomfret, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522093461 · Headquarters: Thurmont, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522110879 · Headquarters: Bowie, MD, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522136542 · Headquarters: Walkersville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522172559 · Headquarters: Mount Airy, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 522215887 · Headquarters: Galena, MD, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 526048760 · Headquarters: Catonsville, MD, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 526114706 · Headquarters: baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 526116968 · Headquarters: Baltimore, MD, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 593798201 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 611904592 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 753247959 · Headquarters: Cheltenham, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Knights of Columbus
EIN 800736762 · Headquarters: Hancock, MD, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 813942824 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 815374779 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 815390044 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 820723267 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 822676122 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 825144540 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 825317261 · Headquarters: Accokeek, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 825342017 · Headquarters: Chaptico, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 833536790 · Headquarters: HYATTSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 842327441 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 882461323 · Headquarters: Millersville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 900369067 · Headquarters: Forest Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 900404162 · Headquarters: Owings, MD, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 900642505 · Headquarters: SILVER SPRING, MD, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 900741387 · Headquarters: Great Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 900785653 · Headquarters: Parkton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 911995309 · Headquarters: MARYDEL, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 912014295 · Headquarters: Fulton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 923681745 · Headquarters: BELTSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 923928188 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus - 15541
EIN 261932282 · Headquarters: Lutherville, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Knights of Columbus - Council #2274
EIN 521115829 · Headquarters: PRESTON, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Knights of Columbus 1365 Pangborn Council
EIN 237546811 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Knights of Columbus 1384
EIN 521657566 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Knights of Columbus 3964 Madonna Council
EIN 237142288 · Headquarters: Baltimore, MD, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Knights of Columbus 5450
EIN 237137224 · Headquarters: CUMBERLAND, MD, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Knights of Columbus Assembly #2454
EIN 912128958 · Headquarters: Ocean City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus Assembly 2443
EIN 521983595 · Headquarters: Germantown, MD, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Knights of Columbus Assembly 382
EIN 521540932 · Headquarters: Waldorf, MD, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Knights of Columbus Bel Air Council 4714
EIN 526113784 · Headquarters: FOREST HILL, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Knights of Columbus Charity Fund Inc
EIN 521357264 · Headquarters: Bowie, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Knights of Columbus Council #1470
EIN 237209415 · Headquarters: LEONARDTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Knights of Columbus Council #2169 Father Rosensteel Council
EIN 237107474 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Knights of Columbus Council #9053
EIN 521473981 · Headquarters: Ocean City, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Knights of Columbus Council 7612
EIN 521192303 · Headquarters: Sykesville, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Knights of Columbus Dundalk Corporation
EIN 520897810 · Headquarters: Dundalk, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Knights of Columbus Holy Trinity Council 3413
EIN 237107490 · Headquarters: Severna Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Columbus St Michael's Council 2065
EIN 237542495 · Headquarters: RIDGE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Knights of Columubs
EIN 521868457 · Headquarters: Rock Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Fatima Council No 10137 Charities Inc
EIN 061808598 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Freemasonry Universal Inc
EIN 522289888 · Headquarters: Abingdon, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 237533503 · Headquarters: Baltimore, MD, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 320338961 · Headquarters: Fort Washington, MD, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 371647217 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 611646738 · Headquarters: FORT WASHINGTON, MD, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 812377415 · Headquarters: Capitol Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 920877840 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Peter Claver
EIN 921835828 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Pythias of Maryland
EIN 237424888 · Headquarters: Westminster, MD, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Knights of Pythias of Maryland
EIN 522130864 · Headquarters: Frederick, MD, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Knights of Saint Andrew Susquehanna
EIN 814158002 · Headquarters: Bel Air, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of Saint Joseph
EIN 853451372 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of St Jerome Inc
EIN 474229698 · Headquarters: Dameron, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Knights of St John
EIN 521338556 · Headquarters: District Heights, MD, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Knights of St John Ascension Commandery 283 Inc
EIN 237589832 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of St John Commandery
EIN 900930608 · Headquarters: camp spring, MD, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Knights of St John Ladies Auxiliary
EIN 010895873 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of St John Ladies Auxiliary
EIN 237526627 · Headquarters: TEMPLE HILLS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of St John Ladies Auxiliary
EIN 521479928 · Headquarters: CAPITOL HEIGHTS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights of St John Ladies Auxiliary
EIN 521483671 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of St John Supreme Ladies Auxiliary
EIN 141458118 · Headquarters: PIKESVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of the York Cross of Honour Convent General
EIN 237532656 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights St Florian Motorcycle Club
EIN 900349424 · Headquarters: Mardela Springs, MD, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Knights Templar Educational Foundation of the Grand Emcampment
EIN 530094983 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Knights Templar Educational Foundation of the Grand Encampment
EIN 526064056 · Headquarters: Kingsville, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237130252 · Headquarters: ANNAPOLIS, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237136565 · Headquarters: DISTRICT HEIGHTS, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237618320 · Headquarters: College Park, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237619542 · Headquarters: ELDERSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237619546 · Headquarters: Hagerstown, MD, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237619547 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 237619548 · Headquarters: Easton, MD, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Knights Templar of the United States of America
EIN 520378245 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N