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
- Orenda Recovery Ranch Inc
EIN 883259999 · Headquarters: SABILLASVILLE, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orfeia Vocal Ensemble
EIN 261833990 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organizacion Cultural Unidos Por Llamamsillon
EIN 814323289 · Headquarters: Rockville, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organizacion De Venezolanos Y Amigos En Frederick Inc
EIN 813846388 · Headquarters: Walkersville, MD, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Organization For Advancement Of &Service For Individuals With Special Needs Inc
EIN 271038118 · Headquarters: Potomac, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Organization for Community Health Outreach Inc
EIN 271637037 · Headquarters: BALTIMORE, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Organization for Women and Development International Inc
EIN 510647610 · Headquarters: Frederick, MD, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Organization of Afro American Unity
EIN 812117083 · Headquarters: baltimore, MD, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Organization of Black Designers Washington Dc Chapter
EIN 521964595 · Headquarters: Mitchellville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Organization of Child Care Directors of Montgomery County Inc
EIN 521862985 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Organization of Chinese Americans Inc
EIN 237441824 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Organization of Hispanics Lati American of Anne Arundel County
EIN 522151842 · Headquarters: ANNAPOLIS, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Organization of Humanity and Mental Well-being Inc
EIN 851532987 · Headquarters: ELKRIDGE, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organization of Sri Lankan Americans for Sri Lanka
EIN 871320083 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organization of World Hindu Temples Inc
EIN 931999931 · Headquarters: FREDERICK, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organize for Liberia
EIN 451611590 · Headquarters: Germantown, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Organizing Black Inc
EIN 921236559 · Headquarters: Baltimore, MD, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oriental Pearl Acupuncture Center
EIN 993839260 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Origin-of-life Foundation Inc
EIN 522013683 · Headquarters: BOWIE, MD, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Original Exclusive Ladies of Enugu
EIN 472233556 · Headquarters: Upper Marlboro, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Original Final Chapter Mc Est 1983 Inc
EIN 932172465 · Headquarters: Fallston, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Original Kanji
EIN 851903135 · Headquarters: Brookeville, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Original Little Italy Community Organization Inc
EIN 874504711 · Headquarters: BALTIMORE, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Original Northwood Association Inc
EIN 820841623 · Headquarters: Baltimore, MD, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oriki Movement Inc
EIN 474583057 · Headquarters: Upper Marlboro, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oriole Dog Training Club Incorporated
EIN 526043120 · Headquarters: HALETHORPE, MD, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oriole Historical Society Inc
EIN 521662117 · Headquarters: Cheverly, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orion Charitable Foundation Inc
EIN 522276233 · Headquarters: Baltimore, MD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Orion Ministry Corp
EIN 862387565 · Headquarters: Westminster, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orleans Volunteer Fire Company
EIN 352256242 · Headquarters: LITTLE ORLEANS, MD, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orlu Peoples Association
EIN 521636431 · Headquarters: germantown, MD, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Orlu Provincial Union Foundation In
EIN 273857812 · Headquarters: Rosedale, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orlu Regional Assembly DC
EIN 815381690 · Headquarters: Glenn Dale, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orokousa Incorporated
EIN 471662102 · Headquarters: LAUREL, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oromia Foundation
EIN 830552468 · Headquarters: Elkridge, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oromo Christian Lutheran Fellowship
EIN 900120273 · Headquarters: Kensington, MD, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oromo Development and Advancement Association
EIN 510603406 · Headquarters: Silver Spring, MD, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Oromo Relief Association-USA Inc
EIN 521943842 · Headquarters: SILVER SPRING, MD, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Orpe Human Rights Advocates
EIN 814339751 · Headquarters: Glen Burnie, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orphan House and Episcopal Free School Society of All Saints Churc
EIN 521481019 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orphan Tears Inc
EIN 872763731 · Headquarters: Gaithersburg, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Orphaned Wildlife Rescue Center Inc
EIN 522249144 · Headquarters: LUSBY, MD, USA · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- OrthoBethesda Research Foundation
EIN 830897802 · Headquarters: Bethesda, MD, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Orthobiologics Research Initiative Inc
EIN 871630172 · Headquarters: Rockville, MD, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orthodox Convent of the Most Holy Mother of God
EIN 834182382 · Headquarters: Derwood, MD, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Orthopaedic Associates Research Foundation Inc
EIN 521853631 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Orthotic and Prosthetic Educational and Development Fund
EIN 521041694 · Headquarters: BETHESDA, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ortus Academy Inc
EIN 472058827 · Headquarters: TOWSON, MD, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oru Progressive Union U S a Inc
EIN 522098715 · Headquarters: Takoma Park, MD, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Orym Charitable Foundation Inc
EIN 991531663 · Headquarters: BOWIE, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osagyefo Dance Inc
EIN 332802227 · Headquarters: Silver Spring, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oscar E Brown Ministries Inc
EIN 452593428 · Headquarters: Linthicum Heights, MD, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osei Foundationpublic Charity Inc
EIN 384055660 · Headquarters: Germantown, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oseikrom Charity Foundation Inc
EIN 392611192 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oshie Developement Association
EIN 933817577 · Headquarters: WALDORF, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oshie Womens Association
EIN 884181217 · Headquarters: Rosedale, MD, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oshuns Garden Inc
EIN 853420676 · Headquarters: Salisbury, MD, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oss Global Foundation Inc
EIN 474835415 · Headquarters: GAITHERSBURG, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oss Weightlifting Club
EIN 472276200 · Headquarters: Catonsville, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ossing Development & Cultural Association - North America
EIN 844156439 · Headquarters: BOWIE, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osteogenesis Imperfecta Foundation
EIN 237076021 · Headquarters: GAITHERSBURG, MD, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Osteosarcoma Collaborative Inc
EIN 823882732 · Headquarters: GAITHERSBURG, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Osu Citizens for Social Awareness Inc
EIN 871714702 · Headquarters: MONTGOMRY VLG, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Otakorp Inc.
EIN 251800552 · Headquarters: Hanover, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Otb Strength
EIN 812892858 · Headquarters: SILVER SPRING, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Other Side of the Wall
EIN 821320466 · Headquarters: Bowie, MD, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Other Voices Inc
EIN 522046378 · Headquarters: FREDERICK, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Others International Inc
EIN 521960744 · Headquarters: Takoma Park, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Otis Merritt Jr Foundation
EIN 521844787 · Headquarters: OWINGS MILLS, MD, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Otter Point Creek Alliance Inc
EIN 522010970 · Headquarters: ABINGDON, MD, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ottey Homes Inc
EIN 743072530 · Headquarters: FREDERICK, MD, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ottley Music School Inc
EIN 311699713 · Headquarters: Hyattsville, MD, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990
- Otto Schroedel Foundation
EIN 521252325 · Headquarters: REISTERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Otuam Community Development Corporation
EIN 272213501 · Headquarters: SILVER SPRING, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990
- Otulu Amumara Autonomous Community Development Union
EIN 851010097 · Headquarters: Temple Hills, MD, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Otumfuo Osei-tutu Ii Foundation
EIN 882577074 · Headquarters: DERWOOD, MD, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Otx International
EIN 872837446 · Headquarters: Bethesda, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oula Foundation Inc
EIN 871792809 · Headquarters: LAUREL, MD, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Our Ancestors Wildest Dreams
EIN 881602906 · Headquarters: Laurel, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Our Black Authors Foundation
EIN 030502007 · Headquarters: Bowie, MD, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Our Blended Families OBF
EIN 465744050 · Headquarters: Severn, MD, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Our Children Inc
EIN 800967131 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Our Children Incorporated
EIN 204090029 · Headquarters: Brookville, MD, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- OUR CHILDREN MATTER Corporation
EIN 842141337 · Headquarters: Pikesville, MD, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Our Common Table Inc
EIN 871469699 · Headquarters: BALTIMORE, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Community Montessori Cooperative
EIN 474892366 · Headquarters: Lanham, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Our Community Solutions Inc
EIN 852731537 · Headquarters: Silver Spring, MD, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Our Creeks & Conservancy Inc
EIN 812154232 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Our Daily Bread Employment Centerfund Inc
EIN 260337599 · Headquarters: Timonium, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Dream Foundation Inc
EIN 472927735 · Headquarters: Laurel, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our Dream Pursuits Inc
EIN 463540988 · Headquarters: POINT OF ROCKS, MD, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Our Elite Stars
EIN 851010344 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Our Energy Moment
EIN 463589298 · Headquarters: Germantown, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Our Family Chess
EIN 263841831 · Headquarters: Silver Spring, MD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Our Family Tree
EIN 883375949 · Headquarters: baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Fathers Hands Community Outreach
EIN 743257963 · Headquarters: Baltimore, MD, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Our Fortress Homes Inc
EIN 522436559 · Headquarters: Baltimore, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Our Futures Past Inc
EIN 922838595 · Headquarters: Oakland, MD, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Girls Inc
EIN 843882284 · Headquarters: District Heights, MD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Happy Homestead Inc
EIN 934528158 · Headquarters: GLEN BURNIE, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N