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
- St Louis Interclub Junior Golf Association
EIN 473659470 · Headquarters: Bridgeton, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- St Louis Inveraan Pipe Band
EIN 431472272 · Headquarters: Manchester, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Italian Invitational Golf Tournament for Charities
EIN 431079924 · Headquarters: St Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Jaycee Foundation
EIN 237132027 · Headquarters: Maryland Heights, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- St Louis Kannada School
EIN 372193871 · Headquarters: Fenton, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Knights Foundation
EIN 581863122 · Headquarters: Houma, LA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- St Louis Labor Council Afl-cio
EIN 430729153 · Headquarters: BRIDGETON, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Laborers Vacation Fund
EIN 436118760 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Lodge No 1566
EIN 237164039 · Headquarters: SAINT LOUIS, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Mailers Union No 3 Cwa Local 14620 C/o Tanya Greer-powers
EIN 430495635 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- St Louis Mercantile Library Association
EIN 430694564 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Metalworking Industry Fund
EIN 421038899 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Metro Chapter Coalition of Labor Union Women
EIN 454940257 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Metro Collegiate Baseball Leag
EIN 320473111 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- St Louis Metro Plastering Promotional Bureau Inc
EIN 431236828 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- St Louis Metro Polka Club
EIN 431358172 · Headquarters: GERMANTOWN, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Metro Singers
EIN 431451374 · Headquarters: SAINT PETERS, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Metropolitan Medical Society
EIN 430495705 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Metropolitan Speedskating Club Inc
EIN 431691521 · Headquarters: Miami, FL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- St Louis Model Railroad Museum
EIN 800752185 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- St Louis Municipal Bond Club INC
EIN 431401033 · Headquarters: Saint Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- St Louis Newspaper Carriers Credit Union
EIN 436040706 · Headquarters: FENTON, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Ocd Support Group
EIN 431606209 · Headquarters: CRESTWOOD, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- St Louis Office for Developmental Disability Resources
EIN 431232363 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Optometric Society
EIN 431333988 · Headquarters: Chesterfield, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- St Louis Oracle Users Group
EIN 431857114 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- St Louis Organizing Committee
EIN 611706655 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990
- St Louis Orienteering Club
EIN 431111306 · Headquarters: Chesterfield, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Painters & Decorators Joint Trade Board
EIN 430900717 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Painters Vacation Plan and Trust Agreement
EIN 430864019 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Painters Welfare Plan
EIN 237099221 · Headquarters: MARYLAND HEIGHTS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Park Crime Prevention Fund
EIN 510188162 · Headquarters: Saint Louis Park, MN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- St Louis Park Emergency Program Inc
EIN 510188692 · Headquarters: ST LOUIS PARK, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Park Historical Society
EIN 237182016 · Headquarters: ST LOUIS PARK, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- St Louis Park Little League
EIN 521287124 · Headquarters: ST LOUIS PARK, MN, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- St Louis Park Rotary Foundation
EIN 411291506 · Headquarters: St Louis Park, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Peregrine Society Inc
EIN 430662496 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Police Funeral Association
EIN 436032735 · Headquarters: St Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Police Leadership Organization
EIN 431182502 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Police Officers' Association Fraternal Order of Police 68
EIN 430924455 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Professional Chapter of the Society of Professional Journa
EIN 436049899 · Headquarters: Florissant, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Psychoanalytic Institute
EIN 430727700 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Public Development Corporation I
EIN 431561434 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Rabbinical and Cantorial Association
EIN 436041235 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Real Estate Investors Assoc
EIN 431164689 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Region Porsche Club of America Inc
EIN 431095332 · Headquarters: Clayton, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Regional Chamber & Growth Association
EIN 430975222 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- St Louis Regional Employee Relocation Council
EIN 431475222 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- St Louis Regional Library Network
EIN 431154257 · Headquarters: Ballwin, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Review
EIN 430653517 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- St Louis Rotary Club Welfare Fund Inc
EIN 436050441 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Rug Hooking Guild
EIN 431741004 · Headquarters: Wentzville, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Rugby Academy
EIN 320748048 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- St Louis Service Bureau Foundation
EIN 436119201 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- St Louis Sheet Metal Joint Apprenticeship Fund
EIN 431077850 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Show Stoppers
EIN 352511037 · Headquarters: saint louis, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- St Louis Ski Club Inc
EIN 237113728 · Headquarters: SAINT CHARLES, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Soaring Association
EIN 431519581 · Headquarters: Hazelwood, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Society for Applied Spectroscopy
EIN 436057343 · Headquarters: Wildwood, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Society for Coatings Technology Inc
EIN 431346121 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- St Louis Society for Medical and Scientific Education
EIN 436064554 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Louis Society of Association Executives Inc
EIN 431302661 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Louis Society of Cytology
EIN 431135620 · Headquarters: Ballwin, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- St Louis Sports Commission Inc
EIN 431646221 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Square Inc
EIN 363719651 · Headquarters: LAS VEGAS, NV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Squash Racquets Association Inc
EIN 431184598 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Suns Youth Association
EIN 933928857 · Headquarters: Florissant, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Louis Tesla Enthusiasts Llc
EIN 812198774 · Headquarters: bartelso, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- St Louis Theatre Organ Society
EIN 436073846 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Louis Theta Not for Profit Corp
EIN 237431934 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- St Louis Thoracic Surgical Society
EIN 431312874 · Headquarters: Manchester, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- St Louis Track Club
EIN 431096328 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Trade Compliance Practitioners Roundtable
EIN 900803003 · Headquarters: Fenton, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Ultimate Association Inc
EIN 431779142 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- St Louis University High School
EIN 430662506 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- St Louis Unix Users Group Inc
EIN 431652582 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Utility Company Inc
EIN 237448214 · Headquarters: SAINT LOUIS, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- St Louis Viper Club
EIN 923088292 · Headquarters: Berkeley, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Waldorf Association
EIN 431609194 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis Walk of Fame
EIN 431492426 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- St Louis Water Garden Society
EIN 431553829 · Headquarters: Saint Ann, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Louis Womens District Golf Association
EIN 431459613 · Headquarters: Town and Country, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Louis Wrestling Officials Association
EIN 800877115 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- St Louis Youth Soccer Association
EIN 510204671 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Louis-georgetown Sister Cities Committee Inc
EIN 383820218 · Headquarters: ST LOUIS, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- St Louis-springfield Reunion Club
EIN 431662403 · Headquarters: St Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Louis-suwa Sister City Committee
EIN 273468358 · Headquarters: maryland hts, MO, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- St Louiscanoe & Kayakclub Nfp Nfp
EIN 932979494 · Headquarters: Valley Park, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- St Louise Resource Services
EIN 812922252 · Headquarters: DOWNEY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Lucas Association
EIN 361722400 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- St Lucas Lutheran Church Cemetery Association
EIN 272606722 · Headquarters: Cottonwood, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Lucia Association of Central Florida Inc
EIN 800246163 · Headquarters: Kissimmee, FL, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- St Lucian Association of Nc
EIN 815288962 · Headquarters: Raleigh, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- St Lucian United Association Inc
EIN 113017246 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Lucian's Residence Inc
EIN 061520463 · Headquarters: New Britain, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- St Lucie County Chamber of Commerce Inc
EIN 650418970 · Headquarters: FORT PIERCE, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- St Lucie County Farm BureauInc
EIN 590830043 · Headquarters: Fort Pierce, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- St Lucie County Rock & Gem Club Inc
EIN 591851088 · Headquarters: PORT SAINT LUCIE, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- St Lucie County Scouts Inc
EIN 650314442 · Headquarters: Ft Pierce, FL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- St Lucie County Shrine Club Holding Corporation
EIN 320477390 · Headquarters: Palm Beach Gardens, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N