Unknown & Unclassified nonprofits in Maryland
Unknown & Unclassified nonprofits in Maryland. Browse 10,672 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
- Greenbelt Gun Club Inc
EIN 521518324 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenbelt Online Limited
EIN 814894921 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greencastle Elementary School Pta
EIN 521583689 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Greening Little Jamaica Corporation
EIN 854012041 · Headquarters: REISTERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Greenridge Baptist Church
EIN 521075194 · Headquarters: CLARKSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- Greensboro Cemetery Association Inc
EIN 521064533 · Headquarters: GREENSBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Greenspring Valley Hounds Inc
EIN 520834197 · Headquarters: WESTMINSTER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenway Learning Center for Infants and Children Inc
EIN 521591795 · Headquarters: GREENBELT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwell Foundation Inc
EIN 520855502 · Headquarters: HOLLYWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Forest Citizens Association Incorporated
EIN 521457613 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Groove Phi Groove Social Fellowship Inc
EIN 851397736 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Grossman Family Charitable Funds Inc
EIN 136091872 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Groupo Folklorico Raices Hondurenas USA Inc
EIN 843120418 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Grove Retirement Club
EIN 251722410 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Grow Md
EIN 473037449 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Growing Minds Incorporated
EIN 471863213 · Headquarters: CROWNSVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Growing People Inc
EIN 923589690 · Headquarters: TANEYTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Gs Housing Incorporated
EIN 521481656 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Guanacaste Childrens Relief Foundation
EIN 521577671 · Headquarters: Adamstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guardian Hearts Foundation
EIN 392715684 · Headquarters: Abingdon, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guardians of All Voiceless Animals and Children Inc
EIN 832802085 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Guide Community Health Services
EIN 760757173 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guiding Sources Nonprofit Outreach
EIN 473055230 · Headquarters: GLENN DALE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guilford Association Inc
EIN 526056502 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Guilford Garden Club Community Projects Fund
EIN 521064109 · Headquarters: RIDERWOOD, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Guinnea Muslim Association Center
EIN 821720310 · Headquarters: COLLEGE PARK, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Gunpowder Valley Conservancy Inc
EIN 521657508 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Gutman Family Foundation Inc C/o Allan J Gibber
EIN 526056321 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Gwc Reunion - Class of 1959
EIN 800325260 · Headquarters: Suitland, MD, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Gymnat of Chesapeake Lub Inc
EIN 451423235 · Headquarters: Huntingtown, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Gypsum Association
EIN 361177840 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Gypsy Lore Society-founded 1888 Inc
EIN 222265890 · Headquarters: Cheverly, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Gys Inc
EIN 813060349 · Headquarters: perryville, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- H H a A
EIN 465172521 · Headquarters: Hancock, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Habitat for Humanity Choptank Inc
EIN 521785188 · Headquarters: TRAPPE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of Frederick County, Maryland
EIN 521820647 · Headquarters: Frederick, MD, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of Washington County Inc
EIN 521825698 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of Worcester County Inc
EIN 521925502 · Headquarters: BERLIN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity Susquehanna Inc
EIN 521848933 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habituating Hearts by Serving & Smiling
EIN 460703437 · Headquarters: Owings Mills, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Hachnosos Orchim - Baltimore Inc
EIN 521460714 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hadley Farms Swim Team
EIN 455196787 · Headquarters: GAITHERSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hagerstown Area Summer Swimming
EIN 812669617 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hagerstown Hawks
EIN 460689480 · Headquarters: Boonsboro, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hagerstown Lodge No 378 Bpo Elks Inc
EIN 520244100 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hagerstown Maryland Run for Fun Club Inc
EIN 237427164 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hagerstown Model Railroad Museum Inc
EIN 521079498 · Headquarters: SHARPSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hagerstown Municipal Band
EIN 521166157 · Headquarters: Hagerstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hagerstown Teamsters and Motor Carriers Health and Welfare Fund
EIN 520629995 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hagerstown-Washington County Industrial Found Inc
EIN 520737260 · Headquarters: HAGERSTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Halle Family Foundation Inc C/o Edward a Halle Jr Esq
EIN 526038453 · Headquarters: UPPERCO, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Halogenated Solvents Industry Alliance Inc
EIN 521434774 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Hamaayan-the Torah Spring Inc
EIN 521756487 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hamilton Little League Inc
EIN 520812279 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Hampden-Sydney College PAD Prelaw Chapter
EIN 510499820 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hampstead American Legion
EIN 520941496 · Headquarters: HAMPSTEAD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hampstead Cemetery Company of Carroll County
EIN 526046339 · Headquarters: Hampstead, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hampton Elementary School PTA
EIN 237031501 · Headquarters: Lutherville Timonium, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Hampton Pool Association Inc
EIN 520656804 · Headquarters: Towson, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Hampton University
EIN 521865913 · Headquarters: Hampton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hampton University
EIN 521865914 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hampton University
EIN 521972309 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hances Point Yacht Club Inc
EIN 520729569 · Headquarters: NORTH EAST, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Hancock Historical Society Corporation
EIN 521461089 · Headquarters: HANCOCK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hancock Veterans Memorial Foundation
EIN 264101151 · Headquarters: HANCOCK, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hand Papermaking Inc
EIN 521436849 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Handel Choir of Baltimore Inc
EIN 526060306 · Headquarters: TOWSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hands Bridge Company
EIN 881256307 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Hands of Life Inc
EIN 043816597 · Headquarters: GERMANTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Hannah Archer Till Chapter
EIN 873033080 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Har-co Credit Union
EIN 520853115 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harbor City Maryland
EIN 824346486 · Headquarters: Accokeek, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Harbor Light Squares
EIN 522141292 · Headquarters: Arnold, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Harbor View Improvement Association Inc
EIN 521174795 · Headquarters: Chester, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hardiman Family Foundation Inc
EIN 521755621 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hardin Simmons University PAD PreLaw Chapter
EIN 943155348 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harewood Park Community League Inc
EIN 521900022 · Headquarters: Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harford Academy School Pta Inc - Former John Archer School Pta Inc
EIN 521892774 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Harford Choral Society Inc
EIN 520853739 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harford Co Assoc of Realtors Inc
EIN 521009204 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harford County Chamber of Commerce Inc
EIN 521188764 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harford County Contractors Association Inc
EIN 237366439 · Headquarters: FOREST HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Harford County Deputy Sheriff's Union Local 838
EIN 521608943 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Harford County Educational Services Council
EIN 271270679 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Harford County Electrical Contract Assn
EIN 521139062 · Headquarters: Bel Air, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harford County Extension Advisory Council Inc
EIN 521351798 · Headquarters: STREET, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harford County Farm Bureau
EIN 520675331 · Headquarters: STREET, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Harford County Government Retiree Association
EIN 831356099 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Harford County Memorial Post 5337 VFW Inc
EIN 526070969 · Headquarters: Abingdon, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harford County Photography Group
EIN 473274602 · Headquarters: Havre De Grace, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Harford County Student Trades Foundation Inc
EIN 521667407 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Harford County Veterans Honor Guard
EIN 870870842 · Headquarters: Havre de Grace, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Harford Family House Inc
EIN 521706367 · Headquarters: ABERDEEN, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harford Flying Club Inc
EIN 521996616 · Headquarters: Kingsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Harford Jewish Council
EIN 900618362 · Headquarters: HAVRE DE GRACE, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Harford Senior Housing Ii Inc
EIN 521303603 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Hariri Foundation
EIN 521386338 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Harmers Town Art Center Inc
EIN 861939919 · Headquarters: HAVRE DE GRACE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Harmon Foundation Corporation
EIN 900806739 · Headquarters: Landover, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Harmonic Introductions Inc
EIN 812139629 · Headquarters: ROCKVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N