Unknown & Unclassified nonprofits
Unknown & Unclassified nonprofits. Browse 557,756 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
- San Diego Gastroenterology Society
EIN 330716317 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Genealogical Society
EIN 956079748 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Hammerheads
EIN 237416769 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Harbor Police Officers Association
EIN 953310169 · Headquarters: EL CAJON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Health Care Association
EIN 956082538 · Headquarters: Santee, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego High School Ptsa Ca Congress of Parents Teachers
EIN 900933888 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Historical Society
EIN 951728991 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Hookers and Slicers
EIN 472763264 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Hua Xia Chinese School Inc
EIN 330745701 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Humane Society Foundation
EIN 330349256 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Hunting and Retreiver Clu Inc
EIN 330732353 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- San Diego Imperial Area Institutional Committ
EIN 953743566 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- San Diego Imperial Cnty Regional Service Office NA Inc
EIN 330194376 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- San Diego Imperial Swimming Inc
EIN 742277325 · Headquarters: FALLBROOK, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego in Recovery
EIN 921693949 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- San Diego Independent Scholars
EIN 330072925 · Headquarters: Carlsbad, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Indian American Society
EIN 330055336 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- San Diego Indoor Sports Club Inc
EIN 956098089 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Industrial Organizational Professionals
EIN 203006133 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- San Diego Insurance Adjuster Association
EIN 237426561 · Headquarters: NATIONAL CITY, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- San Diego Interfaith Housing Foundation
EIN 952593136 · Headquarters: LEMON GROVE, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- San Diego Intergroup Inc Dba Alcoholics Anonymous of San Diego
EIN 951794720 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego International Church
EIN 953850356 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Jewish Genealogical Society
EIN 330501587 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Joint Port Labor Relations Committee
EIN 950917985 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Journey Community Church
EIN 330549770 · Headquarters: LA MESA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T
- San Diego Junior Theatre
EIN 952303700 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Kite Club
EIN 330430400 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- San Diego Land Conservancy Coalition
EIN 330500839 · Headquarters: Fallbrook, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Lapidary Society
EIN 956516752 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Lawn Bowling Club
EIN 956096717 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- San Diego Letter Carriers Inc
EIN 952872228 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Live Well San Diego Lions Club
EIN 471467642 · Headquarters: Rancho Santa Fe, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- San Diego Madres Inc
EIN 953619032 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- San Diego Majestic Lions Club
EIN 330829646 · Headquarters: CHULA VISTA, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Master Chorale
EIN 237451291 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Mayas Soccer Club
EIN 452424240 · Headquarters: CHULA VISTA, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- San Diego Mclaren Club Inc
EIN 882354045 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- San Diego Memorial Society
EIN 952281741 · Headquarters: Poway, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Mesa College Foundation Inc
EIN 330141259 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Metro Pigeon Club
EIN 330556933 · Headquarters: Spring Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- San Diego Mineral & Gem Society
EIN 956049910 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Mission Bay Boat and Ski Club
EIN 952702189 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Model a Ford Club
EIN 843914344 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Mountain Rescue Team
EIN 952547959 · Headquarters: san diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Municipal Employees Assn
EIN 951757877 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Museum Council
EIN 953124579 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Nebraska Alumni Chapter
EIN 453719200 · Headquarters: Temecula, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Nice Guys Inc
EIN 953405753 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Nihongo Kyoiku Shinkokai
EIN 953374335 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Norml
EIN 320570764 · Headquarters: ESCONDIDO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- San Diego North Coast Knitters Guild
EIN 272138392 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- San Diego North Park Craft Mafia
EIN 261261425 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Numismatic Society
EIN 956078854 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Open Water Swimming Association Inc
EIN 993204552 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Pathfinders Lions Club
EIN 463264774 · Headquarters: SAN MARCOS, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Peace Corps Association
EIN 330343114 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Performing Arts Education
EIN 831840332 · Headquarters: San Marcos, CA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- San Diego Podiatric Medical Society
EIN 330659713 · Headquarters: Bend, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Police Chiefs and Sheriffs Association
EIN 330680289 · Headquarters: Chula Vista, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Police Officers Association Inc
EIN 951654782 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Police Revolver Club
EIN 952286615 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- San Diego Port Tenants Association Dba San Diego Working Waterfront
EIN 931003997 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- San Diego Prayer House Inc
EIN 992075641 · Headquarters: La Jolla, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- San Diego Press Club Foundation Inc
EIN 330437019 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Psychiatric Society
EIN 953028448 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Psychoanalytic Center
EIN 952477895 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Psychological Association
EIN 237326363 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Radiological Society
EIN 330063986 · Headquarters: Santee, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Referral Network Corporation
EIN 464581860 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- San Diego Region Mgma
EIN 263568528 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- San Diego Region of the Antique Automobile Club of America Inc
EIN 953535576 · Headquarters: Spring Valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Regional Chamber of Commerce
EIN 951184680 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Regional Chapter of Ania American Nursing Informatics As
EIN 474483523 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Regional Fire & Emergency
EIN 330386687 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- San Diego Regional Group Horseless
EIN 953049280 · Headquarters: Spring valley, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Retriever and Field Trial Club Inc
EIN 237004802 · Headquarters: El Cajon, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Roofers Trust
EIN 956052184 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- San Diego Roofing Contractors Association
EIN 330414858 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego Rowing Club
EIN 951185630 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego S-gaugers
EIN 270177391 · Headquarters: Del Mar, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- San Diego Saga Ski Club
EIN 953548144 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Scottish Rite Community Foundation
EIN 330718473 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- San Diego Soccer Club
EIN 330022489 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Society for Human Resource Management
EIN 237422870 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- San Diego Society of Health System Pharmacists
EIN 953684842 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- San Diego Society of the New Jerusalem
EIN 952416548 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- San Diego Software & Internet Council
EIN 330587287 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- San Diego Space Institute
EIN 392191995 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Sportfishing Council
EIN 953646809 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- San Diego St Joseph Korean School
EIN 422751223 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Stallions Youth Baseball Club
EIN 300806447 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- San Diego State University Circle K
EIN 010920860 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- San Diego State University Faculty Staff Center Association Inc
EIN 510196140 · Headquarters: San Diego, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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 Diego Surf Ladies
EIN 272496044 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- San Diego Suzuki Institute
EIN 901219798 · Headquarters: ENCINITAS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- San Diego Swing Dance Club Inc
EIN 953464243 · Headquarters: SAN DIEGO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- San Diego Table Tennis Association
EIN 956107999 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Diego Taiwanese Cultural Association
EIN 330150170 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N