Nonprofits in MADISON, WI
2,919 tax-exempt organizations with a return on IRS file.
All nonprofits in MADISON, A–Z (page 19 of 30)
- OCONTO COUNTY FARM BUREAU CO-OPERATIVEEIN 39-0824309 · last filed 990-N for 2025
- OCONTO FALLS EDUCATION ASSOCIATIONEIN 23-7086066 · last filed 990-N for 2025
- OCONTO FALLS EDUCATION SUPPORT PERSONNELEIN 39-1710772 · last filed 990-N for 2024
- OCONTO SUPPORT STAFF ASSOCIATIONEIN 26-2691413 · last filed 990-N for 2025
- OCONTO TEACHERS EDUCATION ASSOCIATIONEIN 23-7103118 · last filed 990-N for 2025
- ODANA HILLS GOLF ASSOCIATIONEIN 93-0836309 · last filed 990-N for 2025
- OFFICE AND PROFESSIONAL EMPLOYEES INTERNATIONAL UNIONEIN 39-0791784 · last filed 990 for 2025
- OFS HOLDINGS INCEIN 81-3970591 · last filed 990 for 2025
- OKEEFFE MIDDLE SCHOOL PARENT-TEACHER GROUP INCEIN 46-0684475 · last filed 990-N for 2025
- OLBRICH BOTANICAL SOCIETY FOUNDATION INCEIN 39-2002821 · last filed 990 for 2024
- OLBRICH BOTANICAL SOCIETY INCEIN 39-1357247 · last filed 990 for 2024
- OLD CHURCH ROAD CEMETERY ASSOCIATIONEIN 39-1799539 · last filed 990-N for 2025
- OLD MIDDLETON ROAD APARTMENTS INCEIN 20-1427325 · last filed 990 for 2024
- OMRO EDUCATION ASSOCIATIONEIN 39-1706995 · last filed 990-N for 2024
- OMRO PARAPROFESSIONAL FOOD SERVICE ASSOCIATIONEIN 39-1752944 · last filed 990-N for 2024
- ONALASKA EDUCATION ASSOCIATIONEIN 23-7272295 · last filed 990-N for 2025
- ONE CITY SCHOOLS INCEIN 47-1490574 · last filed 990 for 2025
- ON THE MAP ORIENTEERING INCEIN 87-1552982 · last filed 990-N for 2025
- OOSTBURG EDUCATION ASSOCIATIONEIN 75-3267758 · last filed 990-N for 2024
- OPEN DOOR ZEN COMMUNITYEIN 47-5460639 · last filed 990-N for 2025
- OPEN NOTEBOOK INCEIN 45-2234167 · last filed 990 for 2024
- OPEN-OUT PROFESSIONAL AND EXECUTIVE NETWORK- INCEIN 27-1876988 · last filed 990-N for 2024
- OPEN SOURCE SEED INITIATIVE INCEIN 46-5440616 · last filed 990-PF for 2024
- OPERA FOR THE YOUNG INCEIN 39-1583686 · last filed 990 for 2025
- OPERATION FRESH START INCEIN 23-7108090 · last filed 990 for 2025
- OPERATIVE PLASTERERS & CEMENT MASONS LABOR MANAGEMENT COOPERATIOEIN 86-1135736 · last filed 990-N for 2025
- OPTIMIST INTERNATIONALEIN 39-6096614 · last filed 990-N for 2024
- OPTIMIST INTERNATIONALEIN 39-6060211 · last filed 990-N for 2024
- OPTIMIST INTERNATIONALEIN 39-6121248 · last filed 990-N for 2025
- OPTIONS IN COMMUNITY LIVING INCEIN 39-1373054 · last filed 990 for 2025
- ORCHARD RIDGE ELEMENTARY SCHOOL PTOEIN 39-1477540 · last filed 990-N for 2025
- ORCHARD RIDGE NEIGHBORHOOD ASSOCIATIONEIN 90-0466660 · last filed 990-N for 2024
- ORCHESTRA X INCEIN 36-4198703 · last filed 990 for 2024
- ORCHID GROWERS GUILD INCEIN 39-1546732 · last filed 990-N for 2024
- ORDER OF THE AMARANTH INC SUPREME COUNCILEIN 23-7614593 · last filed 990-N for 2025
- ORDER OF THE EASTERN STAR OF THE STATE OF WISCONSINEIN 23-7534492 · last filed 990-N for 2025
- OREGON EDUCATION ASSOCIATIONEIN 23-7068532 · last filed 990-N for 2025
- ORGANIZATION OF MISO STATES INCEIN 16-1671529 · last filed 990 for 2025
- ORIGIN THEATER INCEIN 82-3498178 · last filed 990-N for 2025
- ORION FAMILY SERVICES INCEIN 39-2023114 · last filed 990 for 2024
- ORTHOPEDIC ASSISTANCE OVERSEAS INCEIN 84-2170479 · last filed 990-N for 2024
- OSCAR RENNEBOHM FOUNDATIONEIN 39-6039252 · last filed 990-PF for 2025
- OSHKOSH EDUCATION ASSOCIATIONEIN 23-7083797 · last filed 990-N for 2025
- OSHKOSH PARAPROFESSIONAL EDUCATION ASSOCIATIONEIN 39-1493600 · last filed 990-N for 2024
- OSSEO-FAIRCHILD EDUCATION ASSOCIATIONEIN 23-7086056 · last filed 990-N for 2025
- OUR LADY QUEEN OF PEACE PARISHEIN 39-0824008
- OUR WISCONSIN EDUCATION FUND INCEIN 82-2527536 · last filed 990-N for 2025
- OUR WISCONSIN REVOLUTION INCEIN 81-4853693 · last filed 990 for 2024
- OUTAGAMIE COUNTY FARM BUREAU COOPERATIVEEIN 39-0989696 · last filed 990-N for 2025
- OUTDOOR ADVERTISING ASSOC OF WISC ASSOC OF WISCEIN 39-1599387 · last filed 990-EZ for 2025
- OUTREACH INCEIN 39-1336583 · last filed 990 for 2024
- OUTRIDER FOUNDATION INCEIN 39-1947995 · last filed 990-PF for 2025
- OUTSIDE THE WALLSEIN 99-3728147 · last filed 990-EZ for 2025
- OVER AT MY PLACE INCEIN 92-1814312 · last filed 990-N for 2025
- OVERTURE CENTER FOUNDATION INCEIN 01-0645482 · last filed 990 for 2025
- OVERTURE DEVELOPMENT CORPORATIONEIN 39-1997702 · last filed 990 for 2025
- OWEN-WITHEE EDUCATION ASSOCIATIONEIN 23-7086954 · last filed 990-N for 2025
- OWN IT BUILDING BLACK WEALTH INCEIN 99-2609895 · last filed 990-N for 2024
- PAIN RESEARCH FOUNDATION INCEIN 27-4356522 · last filed 990-N for 2025
- PAINTERS-802 HEALTH & WELFARE FUNDEIN 39-6078181 · last filed 990 for 2024
- PAKISTANI PHYSICIANS SOCIETY OF WIS CONSINEIN 45-3933282 · last filed 990-N for 2025
- PALESTINE PARTNERS INCEIN 85-3288742 · last filed 990-N for 2024
- PAPA PAPA PAPA CORPORATIONEIN 87-0947179 · last filed 990-N for 2023
- PARDEEVILLE EDUCATION ASSOCIATIONEIN 23-7098443 · last filed 990-N for 2025
- PARENTS & CHILDREN IN ACTION INCEIN 84-2927551 · last filed 990-EZ for 2025
- PARKCREST SWIM & TENNIS CLUB INCEIN 39-1085273 · last filed 990 for 2025
- PARK FALLS EDUCATION ASSOCIATIONEIN 23-7083197 · last filed 990-N for 2025
- PARTICIPATORY LEARNING AND TEACHING ORGANIZATION INCEIN 26-4388226 · last filed 990-EZ for 2025
- PATHWAYS OF WISCONSIN INCEIN 39-1305303 · last filed 990 for 2024
- PATRICIA J RUEGSEGGER FAMILY FOUNDATION INCEIN 93-4336099 · last filed 990-PF for 2024
- PATRICK AND LEE BAXTER FAMILY FOUNDATION INCEIN 47-2206687 · last filed 990-PF for 2025
- PATRIOTS YOUTH HOCKEY ASSOCIATIONEIN 23-7173506 · last filed 990-EZ for 2019
- PAWWS TO HEALEIN 20-1474243 · last filed 990-N for 2025
- PECATONICA TEACHER EDUCATION ASSOCIATIONEIN 33-1104194 · last filed 990-N for 2025
- PEMBINE EDUCATION ASSOCIATIONEIN 39-1371882 · last filed 990-N for 2025
- PENN STATE ALUMNI ASSOCIATIONEIN 45-2401701 · last filed 990-N for 2025
- PEOPLE BUILDING OPPORTUNITY THROUGH GRACE AND ACTION INCEIN 03-0609771 · last filed 990-N for 2025
- PEOPLES LAW CENTER INCEIN 88-3675951 · last filed 990-EZ for 2024
- PEOPLES WELFARE ASSOCIATIONEIN 83-4705654 · last filed 990 for 2025
- PEPARTNERSHIPEIN 45-4088209 · last filed 990-N for 2025
- PERCH LAKE OWNERS ASSOCIATIONEIN 61-1695764 · last filed 990-N for 2025
- PERFECT HARMONY MENS CHORUSEIN 32-0052707 · last filed 990-EZ for 2025
- PERMANENT ANCHORS IN CHRIST MINISTRIES INCEIN 99-1605143 · last filed 990-N for 2024
- PESHTIGO EDUCATION ASSOCIATIONEIN 23-7088293 · last filed 990-N for 2025
- PET LOSS RESOURCE CENTEREIN 81-3393657 · last filed 990-N for 2025
- PEWAUKEE EDUCATION ASSOCIATIONEIN 23-7078928 · last filed 990-N for 2025
- PHARMACY SOCIETY OF WISCONSIN INCEIN 39-0714490 · last filed 990 for 2024
- PHELPS EDUCATION ASSOCIATIONEIN 39-1980108 · last filed 990-N for 2024
- PHI DELTA THETA FRATERNITYEIN 47-2444659 · last filed 990 for 2025
- PHI GAMMA DELTA FRATERNITYEIN 26-2162009 · last filed 990-N for 2025
- PHI KAPPA SIGMA FRATERNITYEIN 26-4693636 · last filed 990-N for 2025
- PHI KAPPA THETA WISCONSIN LAMBDA ALUMNI BOARD CORPEIN 35-2699161 · last filed 990-N for 2025
- PHILHARMONIC CHORUS OF MADISONEIN 39-6077975 · last filed 990-N for 2024
- PHILIPPINE-AMERICAN ASSOCIATION OF MADISON AND NEIGHBORING AREAS INCEIN 39-1849861 · last filed 990-N for 2025
- PHILLIPS EDUCATION ASSOCEIN 23-7085614 · last filed 990-N for 2025
- PHI UPSILON OMICRON INCEIN 39-6127477 · last filed 990-N for 2024
- PHOENIX LACROSSE CLUBEIN 84-4269966 · last filed 990-EZ for 2024
- PHYSICIANS FOR A NATIONAL HEALTH PROGRAMEIN 80-0536690 · last filed 990-N for 2025
- PHYSICIANS FOR SOCIAL RESPONSIBILITY INCEIN 39-1371810 · last filed 990-EZ for 2024
- PIERCE COUNTY FARM BUREAU CO-OPEIN 39-6078400 · last filed 990-N for 2025