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
- International Patient Learning Empowerment & Advocacy Inc
EIN 522352080 · Headquarters: Lutherville, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- International Peace and Unity Foundation
EIN 882525943 · Headquarters: CLARKSBURG, MD, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- International Peace Consultancy
EIN 881761776 · Headquarters: SILVER SPRING, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- International Penguin Classdinghy Assoc
EIN 363049416 · Headquarters: Owings, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Pickleball Federation Inc
EIN 882119409 · Headquarters: Chevy Chase, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Pipe Trades Joint Training Committee, Inc.
EIN 526047782 · Headquarters: UPPER MARLBORO, MD, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Pole Industry Association
EIN 851602784 · Headquarters: CAPITOL HEIGHTS, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Police Association United States Section
EIN 521035935 · Headquarters: Rosedale, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Praise Harvest Ministries
EIN 320098039 · Headquarters: Clinton, MD, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Psychotherapy Institute
EIN 521871377 · Headquarters: Bethesda, MD, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Quranic Studies Association
EIN 472557623 · Headquarters: Glenelg, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International R-c Warship Combat Club Inc
EIN 743160193 · Headquarters: Severna Park, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Reading Assoc Inc
EIN 237258847 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 237031996 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 237439370 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521061403 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521140369 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521162239 · Headquarters: Upper Marlboro, MD, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521192809 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521193282 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521197134 · Headquarters: Elkton, MD, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521326108 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 521624971 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 526062989 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 526062990 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 526062992 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 526062994 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 526063054 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 541531307 · Headquarters: Sanford, MD, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Reading Association Inc
EIN 912091879 · Headquarters: Westminster, MD, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Real Estate Association for Professionals Inc
EIN 872795898 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Regulatory Peptide Society Incorporated
EIN 921899255 · Headquarters: BETHESDA, MD, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Rehabilitation Mission Inc
EIN 521820097 · Headquarters: GLEN ARM, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Relief Support Group
EIN 825206024 · Headquarters: Belcamp, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Research Foundation
EIN 541927971 · Headquarters: Laurel, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Sake Brewers Institute
EIN 992267285 · Headquarters: BALTIMORE, MD, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Shellfish Restoration Society Isrs Inc
EIN 392829151 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Social Service United States of America Branch Inc
EIN 132720500 · Headquarters: BALTIMORE, MD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Society For
EIN 421517735 · Headquarters: Ellicott City, MD, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Society for Academic Research Expeditions
EIN 870569987 · Headquarters: arnold, MD, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- International Society for Ethical Psychology and Psychiatry Inc
EIN 237378417 · Headquarters: Welcome, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society for Health and Development
EIN 542021006 · Headquarters: Derwood, MD, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Society for Nucleosides Nucleotides & Nucleic Acids
EIN 631284546 · Headquarters: BALTIMORE, MD, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Society for Performance Improvement
EIN 521080922 · Headquarters: Bowie, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Society for Spiritual Advancement Inc
EIN 352177294 · Headquarters: MONROVIA, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society for the Advancement of Emergy Research
EIN 260598805 · Headquarters: Edgewater, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society of African Bioscientists & Biotechnologists I
EIN 030591979 · Headquarters: COLUMBIA, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society of Bangladesh Affiliated Mcr
EIN 872202136 · Headquarters: Ashton, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- International Society of Certified Employee Benefit Specialists Inc
EIN 363386715 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society of Low-vision Research and Rehabilitation
EIN 680413053 · Headquarters: Baltimore, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society of Materials Modeling
EIN 934601610 · Headquarters: Baltimore, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Society of Tropical Foresters
EIN 521194548 · Headquarters: Bethesda, MD, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- International Society of Weighing & Measurement Inc
EIN 202540322 · Headquarters: Germantown, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Society of Weighing & Measurement Inc
EIN 202557945 · Headquarters: Germantown, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Society of Weighing & Measurement Inc
EIN 203297604 · Headquarters: Germantown, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Society of Weighing & Measurement Inc
EIN 203995763 · Headquarters: Germantown, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Spiritist Medical Association Inc
EIN 863034673 · Headquarters: Germantown, MD, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Sports for Youth Inc
EIN 521773226 · Headquarters: Baltimore, MD, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Stillbirth Alliance NFP
EIN 113691112 · Headquarters: Boyds, MD, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Strategy and Reconciliation Foundation Inc
EIN 200596900 · Headquarters: Olney, MD, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Support for Africa Ch
EIN 471438044 · Headquarters: FREDERICK, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- International Symposium on Memory Systems Inc
EIN 473590208 · Headquarters: Arnold, MD, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Theatre Development Inc
EIN 932581329 · Headquarters: BALTIMORE, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Tien Shan Pai Assoc Inc
EIN 842218640 · Headquarters: OWINGS MILLS, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Training Fund
EIN 530238416 · Headquarters: ANNAPOLIS, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Training in Communication
EIN 383642727 · Headquarters: Captiol Heights, MD, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Training Institute Inc
EIN 611602433 · Headquarters: Frederick, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- International Transformation Institute for Humanity Inc
EIN 462329054 · Headquarters: FORT WASHINGTON, MD, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- International Transportation Learning Center
EIN 522298427 · Headquarters: SILVER SPRING, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Ultraviolet Association Inc
EIN 980225214 · Headquarters: CHEVY CHASE, MD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Union of Bridgestructural Ornamentalreinforcing Iron Workers L201
EIN 530134375 · Headquarters: UPPER MARLBORO, MD, USA · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990
- International Union of Electrical Iue/cwa Afl-cio Local 130
EIN 520434802 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Electrical Radio and Machine Workers Afl-cio
EIN 520580428 · Headquarters: Aberdeen, MD, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Union of Elevator Constructors Death Benefit Trust Fund
EIN 921046868 · Headquarters: COLUMBIA, MD, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Elevator Constructors Local No 10
EIN 530088577 · Headquarters: LANHAM, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Elevator Constructors Local No7
EIN 520364290 · Headquarters: HALETHORPE, MD, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Operating Engineers Local 487 H & W Plan
EIN 596231991 · Headquarters: SPARKS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Operating Engineers Local 99-9A-99c
EIN 530088600 · Headquarters: UPPER MARLBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Operating Engineers Local No 37
EIN 520364296 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Operating Engineers Local No 77
EIN 530088596 · Headquarters: SUITLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Union of Painters and Allied Trades
EIN 350198600 · Headquarters: HANOVER, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Union of Painters and Allied Trades Local 1100
EIN 540259016 · Headquarters: LANHAM, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union of Painters and Allied Trades Local 368
EIN 530039280 · Headquarters: LANHAM, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union of Painters and Allied Trades Local 474
EIN 546052481 · Headquarters: LANHAM, MD, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union of Painters and Allied Trades Local 890
EIN 546054514 · Headquarters: LANHAM, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union of Science and Education
EIN 464473587 · Headquarters: Clarksburg, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- International Union of Tool Die and Moldmakers
EIN 237200952 · Headquarters: FRIENDSHIP, MD, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Union Security Police Fire Professionals of America
EIN 310992657 · Headquarters: GLEN BURNIE, MD, US · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- International Union UAW LOCAL 1247
EIN 520749562 · Headquarters: Maugansville, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Union UAW Local 1338
EIN 520817256 · Headquarters: Havre de Grace, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Union UAW LOCAL 171
EIN 520744095 · Headquarters: Hagerstown, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Union UAW Local 2301
EIN 521706051 · Headquarters: Elkridge, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Union UAW Local 738
EIN 520480538 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Union United Auto Aerospace & Agrgriculture Workers
EIN 202666224 · Headquarters: Essex, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union United Auto Aerospace & Agricultural Worker Am
EIN 202666300 · Headquarters: Essex, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union United Auto Aerospace & Agricultural Workers
EIN 020669411 · Headquarters: BALTIMORE, MD, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- International Union United Auto Aerospace & Agricultural Workers
EIN 202666374 · Headquarters: Essex, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union United Auto Aerospace & Agricultural Workers
EIN 236419338 · Headquarters: Essex, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Union United Auto Aerospace & Agricultural Workers
EIN 237117714 · Headquarters: Baltimore, MD, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Union United Auto Aerospace & Agricultural Workers
EIN 520800002 · Headquarters: Baltimore, MD, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N