Nonprofits in Wisconsin
Nonprofits in Wisconsin. Browse 46,682 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
- Friends of the Monona Senior Centerinc
EIN 205708358 · Headquarters: MONONA, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Monroe Public Library Inc
EIN 391701582 · Headquarters: Monroe, WI, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Friends of the Montello Public Libr Ary
EIN 394529259 · Headquarters: Montello, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mount Horeb Library
EIN 930841011 · Headquarters: Mount Horeb, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mount Horeb Welcome Centr
EIN 471647225 · Headquarters: MOUNT HOREB, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Muehl Public Library Inc
EIN 020718365 · Headquarters: SEYMOUR, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mukwonago Library Inc
EIN 391795684 · Headquarters: Mukwonago, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mukwonago River Inc
EIN 010859881 · Headquarters: Eagle, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Muscoda Public Library Inc
EIN 463975266 · Headquarters: Muscoda, WI, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Friends of the National Estuarine Research Reserve
EIN 820785414 · Headquarters: Superior, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Necedah National Wildlife Refuge
EIN 391953311 · Headquarters: NECEDAH, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Neenah Public Library
EIN 391315682 · Headquarters: Neenah, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Neillsville Free Library
EIN 391764909 · Headquarters: Neillsville, WI, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Friends of the Nelson Fire Department
EIN 842068954 · Headquarters: Alma, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Neuschafer
EIN 391830021 · Headquarters: Fremont, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the New Glarus Public Library Incorporated
EIN 710893268 · Headquarters: new glarus, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the New Lisbon Memorial Library Inc
EIN 472614585 · Headquarters: NEW LISBON, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the New London Library
EIN 510470328 · Headquarters: Grand Chute, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the New London Public Museum Inc
EIN 272533891 · Headquarters: New London, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the Niagara Public Library Inc
EIN 391605934 · Headquarters: NIAGARA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Niederkorn Library Inc
EIN 391948373 · Headquarters: PORT WASHINGTON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Norsk Inc
EIN 811454296 · Headquarters: MOUNT HOREB, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the North Pikes Creek Wetlands
EIN 464067602 · Headquarters: Bayfield, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the North Shore Library
EIN 391390523 · Headquarters: BAYSIDE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Oak Creek Band Inc
EIN 200887235 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Oak Creek Public Library
EIN 391722558 · Headquarters: Oak Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Oconomowoc Public Library
EIN 872074406 · Headquarters: OCONOMOWOC, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Oconto Falls Community Library Inc
EIN 205765976 · Headquarters: Oconto Falls, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Old Abe Trail Inc
EIN 391864195 · Headquarters: Chippewa Falls, WI, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Friends of the Old School Inc
EIN 391823248 · Headquarters: Owen, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Old Stone Church
EIN 332292685 · Headquarters: Brandon, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Omro Public Library
EIN 391451722 · Headquarters: Omro, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Onalaska Library
EIN 391597865 · Headquarters: Onalaska, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Oostburg Public Library
EIN 391447511 · Headquarters: Oostburg, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Orchestra
EIN 391771530 · Headquarters: Oregon, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Oregon Library Inc
EIN 391812138 · Headquarters: Oregon, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Osceola Library
EIN 383767137 · Headquarters: Osceola, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Oshkosh Public Library Inc
EIN 823768858 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Friends of the Oshkosh Seniors Center Inc
EIN 391574919 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the Park Falls Public Library
EIN 364687370 · Headquarters: Park Falls, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Parks Inc
EIN 301283586 · Headquarters: Monroe, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Parks of Perry Township Inc
EIN 421616953 · Headquarters: Mount Horeb, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Parks of Pewaukee
EIN 270983081 · Headquarters: Pewaukee, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Pavilion Inc
EIN 371858519 · Headquarters: Egg Harbor, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Performing Arts Center Inc
EIN 201803405 · Headquarters: Middleton, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the Performing Arts of the Kimberly Area School District
EIN 371471551 · Headquarters: Kimberly, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Phoenix Park Bandshell Inc
EIN 261470383 · Headquarters: DELAVAN, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Platte River Inc
EIN 510608554 · Headquarters: Cuba City, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Plumer Mine Headfram
EIN 924022656 · Headquarters: HURLEY, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Polk County Information Center Corp
EIN 463058360 · Headquarters: ST CROIX FLS, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Polk County Libraries
EIN 204119369 · Headquarters: Milltown, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Friends of the Pool Inc
EIN 263105414 · Headquarters: FREDERIC, WI, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Friends of the Port Washington Senior Citizens Center Inc
EIN 208681986 · Headquarters: Port Washington, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Prairie Du Chien Public Library
EIN 391937703 · Headquarters: Prairie du Chien, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Prescott Public Libr Ary Inc
EIN 412723980 · Headquarters: Prescott, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Presque Isle Community Library Inc
EIN 300480426 · Headquarters: Presque Isle, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Princeton Library Inc
EIN 391389269 · Headquarters: Princeton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Pulaski Adult Activity Center
EIN 823110106 · Headquarters: Pulaski, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Racine Public Library Inc
EIN 463629117 · Headquarters: Racine, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Railroad Park Incorporated
EIN 862632575 · Headquarters: Spooner, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Red Cedar Basin Inc
EIN 462123180 · Headquarters: Menomonie, WI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of the Red Cedar State Trail Inc
EIN 391759996 · Headquarters: MENOMONIE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Refuge-Mississippi River Pools 7 & 8
EIN 391866038 · Headquarters: ONALASKA, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Remington Center Endowment Inc
EIN 391992874 · Headquarters: Madison, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Friends of the Residents and Staff of 700 Clark Street
EIN 841802212 · Headquarters: DANE, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Ripon Public Library
EIN 237087669 · Headquarters: Ripon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Rosemary Garfoot Public Library Inc
EIN 463929561 · Headquarters: Cross Plains, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Royal Society of Chemistry Inc
EIN 391639596 · Headquarters: MILWAUKEE, WI, USA · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Friends of the Rusk County Animal Shelter
EIN 272509922 · Headquarters: LADYSMITH, WI, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Ruth Culver Community Library Inc
EIN 391487370 · Headquarters: Prairie du Sac, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Sauk County Fairgrounds Inc
EIN 832760763 · Headquarters: BARABOO, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Saukville Fire Department Inc
EIN 391451627 · Headquarters: Saukville, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Saukville Oscar Grady Library Inc
EIN 391501892 · Headquarters: SAUKVILLE, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Sherman and Ruth Weiss Community Library
EIN 391859236 · Headquarters: Hayward, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Shiocton Bovina Fire Dept Inc
EIN 844522278 · Headquarters: shiocton, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Shorewood Public Library Inc
EIN 391397005 · Headquarters: Shorewood, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Shullsburg Public Library Inc
EIN 392040034 · Headquarters: Shullsburg, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Slinger Library Inc
EIN 391744894 · Headquarters: Slinger, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Soldiers Grove Public Library
EIN 332975992 · Headquarters: Soldiers Grove, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Somerset Public Library
EIN 470847945 · Headquarters: Somerset, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the South Milwaukee Library
EIN 832805094 · Headquarters: South Milwaukee, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Sparta Free Library
EIN 455397422 · Headquarters: SPARTA, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the Spring Green Community Library
EIN 472221159 · Headquarters: Spring Green, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Spring Valley Public Library Inc
EIN 812937975 · Headquarters: Spring Valley, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the St Croix County Fairgrounds Inc
EIN 270506251 · Headquarters: NEW RICHMOND, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the St Croix Falls Public Library
EIN 261186894 · Headquarters: St Croix Falls, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the St Croix Headwaters Inc
EIN 202005592 · Headquarters: Gordon, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the St Croix Wetland Management District Inc
EIN 272443489 · Headquarters: New Richmond, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the St Francis Public Library Inc
EIN 391601947 · Headquarters: SAINT FRANCIS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the State Historical Society of Wisconsin
EIN 396058030 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the State Street Family
EIN 815390586 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Stoughton Area Youth Center Inc
EIN 261521016 · Headquarters: Stoughton, WI, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Friends of the Stoughton Public Library
EIN 391487256 · Headquarters: STOUGHTON, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Strum Public Library
EIN 392033058 · Headquarters: STRUM, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Sun Prairie Library Inc
EIN 391825146 · Headquarters: Sun Prairie, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Sun Prairie Museum Inc
EIN 237042263 · Headquarters: Sun Prairie, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Superior Public Library Inc
EIN 311625312 · Headquarters: Superior, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Suring Area Public Library Inc
EIN 391553827 · Headquarters: Suring, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Tegge Circus Archives
EIN 932214724 · Headquarters: Baraboo, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Theatre Arts at Wauwatosa East High School Inc
EIN 201345129 · Headquarters: Wauwatosa, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N