Nonprofits in Iowa
Nonprofits in Iowa. Browse 36,116 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
- Shriners International
EIN 912011063 · Headquarters: ALTOONA, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shriners International
EIN 912013272 · Headquarters: ALTOONA, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shubo Foundation
EIN 844172255 · Headquarters: Des Moines, IA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Shyanne Larsen Memorial Inc
EIN 842100247 · Headquarters: Council Bluffs, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sibley Ambulance Volunteers
EIN 841721622 · Headquarters: Sibley, IA, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Sibley Betterment Association
EIN 474700358 · Headquarters: Sibley, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sibley Chamber of Commerce
EIN 420666829 · Headquarters: Sibley, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sibley Housing and Development Corporation
EIN 421427755 · Headquarters: Sibley, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sibley Iowa Fire Fighters Association
EIN 383683289 · Headquarters: Sibley, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sibley Kiwanis Club Foundation
EIN 203540914 · Headquarters: Sibley, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sibley Ocheyedan Athletic Boosters
EIN 421498648 · Headquarters: SIBLEY, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sibley Ocheyedan Little League Soft Ball
EIN 334813911 · Headquarters: Ocheyedan, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sibley-Ocheyedan Band Boosters
EIN 421202933 · Headquarters: Sibley, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sibley-ocheyedan Choir Boosters
EIN 453713542 · Headquarters: Sibley, IA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sibley-ocheyedan Community School Education Foundation
EIN 391878559 · Headquarters: Sibley, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sibley-ocheyedan Education Association
EIN 421319781 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sibley-ocheyedan Shooting Generals C/o Thomas Wietzema
EIN 810774932 · Headquarters: SIBLEY, IA, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Sick Benefit Foundation of Ust Medicine Class 72
EIN 710999093 · Headquarters: Davenport, IA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sickness & Accident Insurance Fund Automotive Division of Local 254
EIN 237376249 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Side by Side Inc
EIN 264125208 · Headquarters: LE MARS, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Side by Side Ministries Inc
EIN 743070252 · Headquarters: LE MARS, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sidney a Swensrud Scholarship Fund
EIN 426061933 · Headquarters: NORTHWOOD, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sidney Alumni and Friends Inc
EIN 421497465 · Headquarters: SIDNEY, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sidney and Jeri Dunitz Family Music Foundation
EIN 202826650 · Headquarters: NEWTON, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sidney Booster Club
EIN 421477577 · Headquarters: Sidney, IA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Sidney Comm Education Association
EIN 421314079 · Headquarters: Sidney, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sidney High School Rodeo Assn
EIN 421463061 · Headquarters: Hamburg, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sidney Hometown Pride Fund
EIN 473941468 · Headquarters: Sidney, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sidney Junior Chamber of Commerce
EIN 421217668 · Headquarters: sidney, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sidney Volunteer Fire & Rescue
EIN 421325728 · Headquarters: SIDNEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sidney Youth Sports
EIN 882397272 · Headquarters: SIDNEY, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siec Community Support Fund
EIN 320430257 · Headquarters: Bloomfield, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siegfried Petersen Community Trust Siegfried Petersen
EIN 201074254 · Headquarters: TIPTON, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Siegfried Petersen Educational Trus
EIN 201021305 · Headquarters: TIPTON, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sierra Community Theatre
EIN 460847457 · Headquarters: JEFFERSON, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sierra Leonean Association of Iowa
EIN 383858761 · Headquarters: Des Moines, IA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sierra Lyoa Medical Foundation
EIN 843880428 · Headquarters: Coralville, IA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Central Iowa Alumni Association Scholarship Fun
EIN 161760941 · Headquarters: WEST DESMOINES, IA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity
EIN 300619780 · Headquarters: Clive, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity
EIN 420524675 · Headquarters: Granger, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigma Alpha Epsilon Fraternity
EIN 420524680 · Headquarters: Iowa City, IA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity
EIN 420887635 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigma Alpha Epsilon Fraternity
EIN 421422967 · Headquarters: Clive, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Alpha Epsilon Fraternity
EIN 426059650 · Headquarters: CEDAR FALLS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigma Alpha Sorority
EIN 263841493 · Headquarters: LuVerne, IA, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Sigma Alpha Sorority
EIN 311211597 · Headquarters: HAMPTON, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigma Alpha Sorority Educational Foundation
EIN 203449981 · Headquarters: HAMPTON, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sigma Chi Fraternity
EIN 420524690 · Headquarters: IOWA CITY, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sigma Chi Fraternity Beta Omicron Chapter
EIN 420524685 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigma Chi Fraternity Theta Gamma Chapter
EIN 421203942 · Headquarters: Des Moines, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Delta Epsilon Graduate Womens Scientific Frat
EIN 471660658 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sigma Elpha Epsilon Fraternity
EIN 421459370 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Gamma Epsilon
EIN 720478319 · Headquarters: CEDAR FALLS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sigma Gamma Epsilon Gamma Sigma Chp
EIN 510153242 · Headquarters: Cedar Falls, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Gamma Rho Sorority Inc
EIN 205959794 · Headquarters: Cedar Falls, IA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Sigma Gamma Rho Sorority Inc
EIN 311321653 · Headquarters: JOHNSTON, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Gamma Rho Sorority Inc -Theta Psi
EIN 811065740 · Headquarters: Ames, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Gamma Rho Sorority Inc-theta Eta
EIN 832883492 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Kappa Sorority Building Inc
EIN 510247081 · Headquarters: ANKENY, IA, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990
- Sigma Lambda Beta Education Foundation Inc
EIN 421510096 · Headquarters: Cedar Rapids, IA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sigma Lambda Beta International Fraternity
EIN 311538511 · Headquarters: North Liberty, IA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990
- Sigma Lambda Gamma National Sorority Inc
EIN 311494387 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigma Nu Fraternity
EIN 272272927 · Headquarters: Ames, IA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Sigma Nu Fraternity
EIN 426126511 · Headquarters: Cedar Rapids, IA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Sigma Nu Fraternity Beta Mu Chapter
EIN 420524720 · Headquarters: IOWA CITY, IA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990
- Sigma Nu House Company Inc
EIN 420524715 · Headquarters: Boone, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Phi Alpha Dental Hygiene Honor Society
EIN 900419038 · Headquarters: Fort Dodge, IA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Sigma Phi Alpha Dental Hygiene Honor Society
EIN 912048909 · Headquarters: Council Bluffs, IA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Sigma Phi Chi Sorority
EIN 421206554 · Headquarters: Davenport, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Phi Epsilon Fraternity IA Gamma Chapter
EIN 420524734 · Headquarters: Coralville, IA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Sigma Phi Epsilon Fraternity Inc
EIN 461102235 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigma Phi Epsilon Fraternity Inc
EIN 943178200 · Headquarters: Cedar Falls, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sigma Phi Epsilon Fraternity Iowa Delta Chapter
EIN 426100378 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sigma Pi Fraternity Ames Chapter
EIN 363770629 · Headquarters: AMES, IA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990
- Sigma Pi Fraternity International Inc
EIN 420843033 · Headquarters: Iowa City, IA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Sigma Theta Tau Icn
EIN 421234649 · Headquarters: Newton, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau Inc
EIN 311242972 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau Inc
EIN 426076448 · Headquarters: Washington, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau International Inc
EIN 421284814 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigma Theta Tau International Inc
EIN 900012730 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sigma Theta Tau International Inc
EIN 912039490 · Headquarters: Waterloo, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Signed Word Project
EIN 872133531 · Headquarters: Cedar Rapids, IA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigourney After Prom Party Committee
EIN 922863159 · Headquarters: Sigourney, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigourney Area Development Corp
EIN 421084764 · Headquarters: SIGOURNEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sigourney Education Association
EIN 274386392 · Headquarters: Sigourney, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigourney Educational Support Employees Association
EIN 421314427 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sigourney Fire-rescue Association
EIN 271871502 · Headquarters: Sigourney, IA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigourney Housing Inc
EIN 237092626 · Headquarters: SIGOURNEY, IA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sigourney Ministerial Alliance Inc
EIN 830367799 · Headquarters: Sigourney, IA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sigourney Music Boosters Association
EIN 421086275 · Headquarters: Sigourney, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silent Knights Inc
EIN 611615729 · Headquarters: Ankeny, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sillycorn Valley Theatrics
EIN 882676848 · Headquarters: Fairfield, IA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Silos & Smokestacks National Heritage Area Inc
EIN 421387305 · Headquarters: WATERLOO, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Silos and Smokestacks National Heritage Area Foundation
EIN 274844288 · Headquarters: Independence, IA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Silver Creek Cemetery Association
EIN 422351276 · Headquarters: Masonville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Fox
EIN 473089175 · Headquarters: Dunlap, IA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Silver Lake Improvement Project - Palo Alto
EIN 271273168 · Headquarters: RUTHVEN, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Leaf Chapter No 5 Order of the Eastern Star Inc
EIN 453851175 · Headquarters: Cedar Rapids, IA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Spatula
EIN 812429942 · Headquarters: West Des Moines, IA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Spectrum Drum and Bugle Corp
EIN 237175432 · Headquarters: Marshalltown, IA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N