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
- Sam Houston State Univ PAD Prelaw Chapter
EIN 943218353 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Samaritan Food Pantry & Community Outreach Corporation
EIN 352804345 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Samba
EIN 521074154 · Headquarters: Rockville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Samples Manor Cemetery Inc
EIN 521080405 · Headquarters: SHARPSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sampson High School Alumni Association Inc
EIN 510156294 · Headquarters: RIVERDALE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sampson High School Alumni Association Inc
EIN 521039350 · Headquarters: Riverdale, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sampson High School Alumni Association Inc
EIN 521039353 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Samuel Burtoff Md Foundation Inc
EIN 650303365 · Headquarters: Chevy Chase, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Samuel T Hemsley Elks Lodge 974
EIN 237621580 · Headquarters: EASTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego State University PAD Prelaw Chapter
EIN 261677260 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Jose State University PAD Prelaw Chapter
EIN 261677359 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Mar Children's Home Inc
EIN 520625106 · Headquarters: BOONSBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sanctuary Ministry
EIN 800592221 · Headquarters: WORTON, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sanctuary Systems Incorporated
EIN 202755276 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sandy Island Cemetery Assoc Inc
EIN 521904091 · Headquarters: CHURCH CREEK, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Saner Family Foundation
EIN 311487800 · Headquarters: CHESTERTOWN, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sankofa Vision Collective Inc
EIN 862462090 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sanner's Lake Sportsman Club
EIN 521728246 · Headquarters: LEXINGTON PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Santas Helpers Inc
EIN 300514971 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sarah Sauer Foundation
EIN 237022636 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sarahs House Fund Inc
EIN 260337645 · Headquarters: Timonium, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sassie
EIN 300514059 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Sathyarupa Charitable Trust
EIN 526509161 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Save a Child's Heart Foundation Us Inc
EIN 521783323 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Save Orleans Students
EIN 452698659 · Headquarters: Little Orleans, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Save Our Jobs - Baltimore County
EIN 270637066 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Save Our Seminary at Forest Glen
EIN 521643912 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Save Piscataway Hills Inc
EIN 471643546 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Savewestbard Inc
EIN 813029224 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Savingjoy
EIN 201811049 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- SBE&S Clients' Consolidated Charitable Foundation
EIN 521306077 · Headquarters: Crofton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Scholars Pointe University Inc
EIN 364771622 · Headquarters: Oakland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Scholarship Foundation Society of St Pa Charles S Abell Treasurer
EIN 526041456 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- School Social Economic Development
EIN 870826302 · Headquarters: PIKESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- Schwartzberg Family Foundation
EIN 527318082 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Scientific Association of Forensic Examiners Inc
EIN 461263015 · Headquarters: Oakland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Scientists' Cliffs Association Inc
EIN 520730171 · Headquarters: PORT REPUBLIC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sconza Enterprices Inc
EIN 825356642 · Headquarters: FOREST HILL, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Scott Key Campers Chapter of Fcrv
EIN 273924781 · Headquarters: Woodsboro, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Scott R Torbeck Scholarship Fund Inc
EIN 521694730 · Headquarters: Glen Arm, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Scottish Terrier Club of Greater Washington Dc Inc
EIN 237152268 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Scouting America Troop 1760
EIN 332792595 · Headquarters: DERWOOD, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seabrook Adventist Early Learning Center Inc
EIN 521834519 · Headquarters: Lanham, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Seafarer Chapter Incorporated Auvsi
EIN 522155394 · Headquarters: California, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Seafarers Building Corporation
EIN 111681945 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Entertainment & Allied Trades
EIN 521936642 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Harry Lundeberg School of Seamanship
EIN 112099708 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Health and Benefits Plan
EIN 135557534 · Headquarters: Camp Springs, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers International Union of North A
EIN 111690171 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers International Union of North America
EIN 111975660 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Joint Employment Fund
EIN 116137531 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Maritime Union
EIN 521496262 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Maryland Building Corp
EIN 222394440 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Officers and Employees Welfare Plan
EIN 112571578 · Headquarters: CAMP SPRINGS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seafarers Piney Point Corp
EIN 112138881 · Headquarters: Camp Springs, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seafarers Yacht Club Inc
EIN 520799741 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Seahorse Ranch Equine Rescue
EIN 841919125 · Headquarters: Berlin, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seba Garden Club Inc
EIN 815255591 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Second District - Omega Psi Phi Fraternity Inc
EIN 521584561 · Headquarters: Columbia, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Second Nature Parrot Rescue Inc Second Nature Parrots
EIN 821777711 · Headquarters: Jessup, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Second Saint Alban's Housing Corporation C/o Quantum Real Estate Management Llc
EIN 541623171 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Second Saint Mary's Housing Corporation
EIN 510220688 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Second Step Ii Inc
EIN 522225612 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Secretaries and Assistants Association of Anne Arundel County
EIN 521639180 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Secu
EIN 520627114 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Security Industry Association
EIN 952636066 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- SEEDEXCEL Charter School LLC
EIN 831611520 · Headquarters: Riverdale, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Seedling Garden Club
EIN 270581411 · Headquarters: Olney, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Selby Bay Yacht Club Property Corp
EIN 536009607 · Headquarters: Edgewater, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Selfridge Family Foundation Inc
EIN 201384700 · Headquarters: GLENWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Semper Libertas Action Inc
EIN 995035915 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Semper Vi Foundation
EIN 472859554 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seneca Valley High School Ptsa
EIN 521739365 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Senior and Youth Support Services
EIN 810928640 · Headquarters: Largo, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Senior Box Office
EIN 521351766 · Headquarters: Timonium, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Senior Citizens Inc
EIN 521172460 · Headquarters: Towson, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Senior Executives Association Professional Development League
EIN 581683046 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Senior Steelworkers Assoc of Local 9477
EIN 521175814 · Headquarters: Sparrows Point, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sensible Communities Redistricting in Maryland
EIN 992954078 · Headquarters: Capitol Heights, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sensible Women Intiative
EIN 462382786 · Headquarters: FORT WASHINGTON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Serenity Granted
EIN 261272486 · Headquarters: Millersville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Serenity Riders Motorcycle Club of Baltimore MD Inc
EIN 453986684 · Headquarters: BALTIMORE, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Serra International
EIN 521950608 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Service Coordination
EIN 521651219 · Headquarters: Frederick, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees International Local 400 Pg
EIN 521037881 · Headquarters: UPPER MARLBORO, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Service Employees International Union Local 500
EIN 520910299 · Headquarters: GAITHERSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Service Employees International Union State Council of Maryland & Dc
EIN 900188474 · Headquarters: BALTIMORE, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Service Station Dealers of America
EIN 381308224 · Headquarters: BOWIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Serving All Individual Learners
EIN 383872027 · Headquarters: Dundalk, MD, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Serving Women Across Generations Inc
EIN 471041789 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Set Up to Fail Corp
EIN 874553117 · Headquarters: Cumberland, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seton Center Inc
EIN 521182284 · Headquarters: EMMITSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seton Guild of St Annes Infant & Maternity Home
EIN 530100403 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Seton Hall University PAD Prelaw Chapter
EIN 943104013 · Headquarters: TOWSON, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seton Hill Neighborhood Association
EIN 521155543 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seven Locks Pool Inc
EIN 520806694 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Seventh Day Adventists
EIN 300780513 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Severn Cross Roads Foundation Inc
EIN 521164179 · Headquarters: Crownsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Severn Full Gospel Pentecostal Church Inc
EIN 521902867 · Headquarters: Severn, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Severn River Swim Club Inc
EIN 520700236 · Headquarters: Severna Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990