Nonprofits in OCONOMOWOC, WI
197 tax-exempt organizations with a return on IRS file.
Largest nonprofits in OCONOMOWOC by revenue
- ROGERS MEMORIAL HOSPITAL INCORPORATED EIN 39-1139101 · last filed 990 for 2024 · revenue $346,836,448
- LUTHERAN HOMES OF OCONOMOWOC INC EIN 39-0845016 · last filed 990 for 2025 · revenue $29,214,571
- GLACIAL COMMUNITY YMCA INC EIN 39-0806378 · last filed 990 for 2025 · revenue $20,225,629
- ROGERS BEHAVIORAL HEALTH - ILLINOIS INC EIN 93-2710408 · last filed 990 for 2024 · revenue $8,660,706
- LAKE COUNTRY CLASSICAL ACADEMY INC EIN 83-3637703 · last filed 990 for 2025 · revenue $8,173,489
- EMIL EWALD FOUNDATION INC EIN 39-1687505 · last filed 990-PF for 2025 · revenue $5,833,360
- ROGERS BEHAVIORAL HEALTH - GEORGIA INC EIN 84-4421252 · last filed 990 for 2024 · revenue $5,303,066
- ROGERS MEMORIAL HOSPITAL FOUNDATION INC EIN 39-1363507 · last filed 990 for 2024 · revenue $5,225,273
- ADELINE MONTESSORI SCHOOL INC EIN 85-2142582 · last filed 990 for 2025 · revenue $4,701,279
- ROGERS BEHAVIORAL HEALTH - WASHINGTON INC EIN 85-2221921 · last filed 990 for 2024 · revenue $4,395,078
Top 5s in OCONOMOWOC
Most raised in gifts and grants
Contributions, gifts and grants received in the year
- 1Glacial Community YMCA Inc990, year ended Dec 2025$9.4M
- 2Lake Country Classical Academy Inc990, year ended Jun 2025$8M
- 3Emil Ewald Foundation Inc990-PF, year ended Dec 2025$4M
- 4Adeline Montessori School Inc990, year ended Jun 2025$3.9M
- 5Rogers Memorial Hospital Foundation Inc990, year ended Dec 2024$3.5M
Largest reserves
Net assets (fund balance) at year end
- 1Rogers Memorial Hospital Incorporated990, year ended Dec 2024$357.2M
- 2Lutheran Homes of Oconomowoc Inc990, year ended Dec 2025$57.2M
- 3Rogers Memorial Hospital Foundation Inc990, year ended Dec 2024$46.6M
- 4Glacial Community YMCA Inc990, year ended Dec 2025$38.8M
- 5Emil Ewald Foundation Inc990-PF, year ended Dec 2025$22.3M
Highest-paid people
Compensation from the organization and related organizations, including other pay
- 1Cynthia MeyerPresident and CEO · Rogers Behavioral Health System Inc$1.1M
- 2Christopher TakalaMedical Director · Rogers Memorial Hospital Incorporated$691K
- 3Syed HussainiMedical Director · Rogers Memorial Hospital Incorporated$673.7K
- 4Jerry Halverson MDCMO · Rogers Memorial Hospital Incorporated$647.6K
- 5Khazi Muqeet MDAssoc. CMO and Board Member · Rogers Memorial Hospital Incorporated$637K
All nonprofits in OCONOMOWOC, A–Z (page 1 of 2)
- ABUNDANT LIFE APOSTOLIC CHURCHEIN 39-1311332
- ACCREDITATION REVIEW COMMITTEE FOR THE ANESTHESIOLOGIST ASSISTANTEIN 45-1554551 · last filed 990-EZ for 2025
- ADELINE MONTESSORI SCHOOL INCEIN 85-2142582 · last filed 990 for 2025
- AHAVA PRODUCTIONS INCEIN 45-2969040 · last filed 990-EZ for 2024
- AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEESEIN 39-6097800 · last filed 990-N for 2025
- AMERICAN FRIENDS OF JOURNEY HOUSE ACTIONS RWANDA INCEIN 86-3150779 · last filed 990 for 2025
- AMERICAN LEGION AUXILIARYEIN 39-6089075 · last filed 990-N for 2025
- AMERICANS FOR AUTISM ADVOCACYEIN 88-2363554 · last filed 990-N for 2025
- AMERICANS FOR AUTISM ADVOCACY FOUNDATIONEIN 88-2921927 · last filed 990-N for 2025
- ANNABELLE ACRES INCORPORATEDEIN 83-2949400 · last filed 990-PF for 2025
- APOSTOLATE OF OUR LADY OF GOOD SUCCESSEIN 82-0571791 · last filed 990-EZ for 2025
- ARROWHEAD DIAMOND CLUBEIN 82-4076656 · last filed 990-N for 2025
- ASHIPPUN HISTORICAL SOCIETY INCEIN 39-3482514 · last filed 990-N for 2025
- BARN RACING TEAM INCEIN 88-2765416 · last filed 990-N for 2025
- BIG FIVE TANZANIA LTDEIN 85-0541896 · last filed 990-N for 2025
- BRZEZINSKI FAM FUND TREIN 39-6749437 · last filed 990-PF for 2025
- CANTICUM NOVUM A WELS CHAMBER CHOIR INCEIN 82-1899746 · last filed 990-N for 2025
- CAROL AND RICHARD BAYERLEIN FOUNDATION LTDEIN 39-1975173 · last filed 990-PF for 2025
- CATAHOME FELINE SANCTUARYEIN 92-2361579 · last filed 990-PF for 2025
- CLUB HUMOR INCEIN 26-2127333 · last filed 990-N for 2025
- COSMIC STEM LABEIN 92-3085310 · last filed 990-N for 2023
- CROSSPOINT COMMUNITY CHURCH OF THE CHRISTIAN & MISSIONRY ALLIANCE INCEIN 39-1412920
- CRYSTAL LAKE ASSOC INCEIN 87-2116493 · last filed 990-EZ for 2025
- DEBBINK FAMILY FOUNDATION INCEIN 39-1904743 · last filed 990-PF for 2025
- DELTA GAMMA FRATERNITYEIN 39-6070684 · last filed 990-N for 2025
- DELTA SIGMA DELTA FRATERNITYEIN 80-0132160 · last filed 990-N for 2024
- DELTA SIGMA DELTA FRATERNITYEIN 54-6070396 · last filed 990-N for 2025
- DELTA SIGMA DELTA FRATERNITYEIN 39-6092879 · last filed 990-N for 2025
- DELTA SIGMA DELTA FRATERNITYEIN 54-6070397 · last filed 990-N for 2024
- DELTA SIGMA DELTA FRATERNITYEIN 36-6208215 · last filed 990-N for 2024
- DELTA THETA SIGMA EDUCATIONAL FOUNDATION OF GAMMA CHAPTER INCEIN 39-1715031 · last filed 990-N for 2025
- DRESS CAMPAIGN INCEIN 92-3856689 · last filed 990-N for 2024
- DR MARTIN LUTHER CHURCHEIN 39-0931785
- EARL AND EUGENIA QUIRK FOUNDATION INCEIN 39-6059626 · last filed 990-PF for 2026
- EDWIN L JONES POST NO 91 OF THE AME RICAN LEGION DEPARTMENT OF WISEIN 90-0594497 · last filed 990 for 2025
- ELDER JUSTICE FOUNDATION INCEIN 47-5206242 · last filed 990-N for 2025
- ELITE SKATING ACADEMY INCEIN 84-2480341 · last filed 990-N for 2025
- EMIL EWALD FOUNDATION INCEIN 39-1687505 · last filed 990-PF for 2025
- FAITH RESOURCE COMMUNITY INCEIN 82-4770103 · last filed 990-EZ for 2023
- FR DAS MISSON TO INDIA INCEIN 92-1283927 · last filed 990-N for 2025
- FRIENDSHIP FORCE OF GREATER MILWAUKEE INCEIN 27-1510642 · last filed 990-N for 2025
- FRIENDS OF IMAGINATION STATION INCEIN 27-1656492 · last filed 990-N for 2025
- FRIENDS OF OCONOMOWOC PARKS AND TRAILS INCEIN 85-4353311 · last filed 990-EZ for 2025
- FRIENDS OF THE OCONOMOWOC PUBLIC LIBRARYEIN 87-2074406 · last filed 990-N for 2025
- FRIENDS OF THE STATE HISTORICAL SOCIETY OF WISCONSINEIN 39-6058030 · last filed 990-EZ for 2024
- GERMAN CHRISTMAS MARKET OF OCONOMOWOCEIN 45-2774712 · last filed 990 for 2024
- GIFFORD PIER CLUB LTDEIN 46-2752714 · last filed 990-EZ for 2025
- GLACIAL COMMUNITY YMCA INCEIN 39-0806378 · last filed 990 for 2025
- GODS FUND INCEIN 92-2978932 · last filed 990-EZ for 2025
- GOLDEN LAKE ASSOCIATION INCEIN 39-2038383 · last filed 990-N for 2025
- GREATER OCONOMOWOC AREA CHAMBER OF COMMERCE INCEIN 39-1127512 · last filed 990 for 2025
- GREENLAND PTOEIN 81-3959494 · last filed 990-N for 2024
- GUATEMALA SERVICE PROJECTS INCEIN 81-4172211 · last filed 990 for 2025
- HEART OF THE FATHER MINISTRIES INCEIN 46-0543705 · last filed 990-EZ for 2024
- HERITAGE SHOOTING INCEIN 39-1847718 · last filed 990-N for 2025
- HERRINGTON-MCBRIDE ALUMNI ASSOCIATION AND FOUNDATION INCEIN 39-1605929 · last filed 990-N for 2024
- HOPE CHIMES FOUNDATION INCEIN 33-1499275 · last filed 990-N for 2024
- IMAGINE A DAY INCEIN 26-2656564 · last filed 990-N for 2024
- INTERNATIONAL ASSOCIATION OF LIONS CLUBSEIN 47-2472391 · last filed 990-N for 2024
- INTERNATIONAL DYSLEXIA ASSOCIATION WISCONSIN BRANCH INCEIN 39-1503088 · last filed 990-N for 2025
- INTERNATIONAL SOCIETY FOR BUSINESS EDUCATION USA CHAPTEREIN 85-3961337 · last filed 990-N for 2024
- JACOB BUTSCHKE SCHOLARSHIP FUNDEIN 45-4780506 · last filed 990-N for 2025
- JOURNEY 21 INCEIN 84-4727592 · last filed 990 for 2025
- JOYFUL DAUGHTER FOUNDATIONEIN 82-1596859 · last filed 990-N for 2023
- JR HEARTSEIN 81-2550420 · last filed 990-N for 2024
- JUBILATE CHORALE INCEIN 26-0880797 · last filed 990-N for 2025
- KETTLE MORAINE CURLING SCHOOL INCEIN 39-1566848 · last filed 990-N for 2024
- KIWANIS INTERNATIONAL INCEIN 39-1354515 · last filed 990-N for 2024
- KNIGHTS OF COLUMBUSEIN 23-7546317 · last filed 990-N for 2024
- LA BELLE AREA FOUNDATION INCEIN 99-3179828 · last filed 990-N for 2025
- LA BELLE FIREWORKSEIN 33-3878873 · last filed 990-N for 2024
- LA BELLE YACHT CLUB SAILING SCHOOL CORPORATIONEIN 39-1985733 · last filed 990-N for 2025
- LAC LA BELLE ENVIRONMENTAL FOUNDATION INCEIN 39-1646178 · last filed 990-N for 2024
- LAKE AREA CLUB INCEIN 39-1450669 · last filed 990-EZ for 2025
- LAKE AREA FREE CLINIC INCEIN 39-2006388 · last filed 990 for 2025
- LAKE COUNTRY CLASSICAL ACADEMY INCEIN 83-3637703 · last filed 990 for 2025
- LAKE COUNTRY NEWCOMERS & NEIGHBORS INCEIN 92-1509826 · last filed 990-N for 2024
- LAKE COUNTRY PICKLEBALL CLUBEIN 86-2955590 · last filed 990-EZ for 2025
- LAKE COUNTRY SHOP WITH COPSEIN 26-2944613 · last filed 990-N for 2024
- LC DOCKHOUNDS FOUNDATION INCEIN 88-2040953 · last filed 990-PF for 2024
- LEGACY COMMITTEE INCEIN 87-3985462 · last filed 990-EZ for 2025
- LIGHT THEIR WAY INCEIN 99-1618034 · last filed 990-EZ for 2025
- LIVING 4 LINDSEY FOUNDATION INCEIN 86-3118944 · last filed 990-N for 2025
- LOVE IN A SHOEBOXEIN 99-2593031 · last filed 990-N for 2025
- LUTHERAN HOMES OF OCONOMOWOC CHARITABLE FOUNDATION INCEIN 39-1889721 · last filed 990 for 2025
- LUTHERAN HOMES OF OCONOMOWOC INCEIN 39-0845016 · last filed 990 for 2025
- MAC-JACK MEMORIAL FOUNDATION INCORPORATEDEIN 83-4016445 · last filed 990-N for 2024
- MAKING A MARK FOUNDATION INCEIN 87-3571176 · last filed 990-N for 2024
- MAPLE TERRACE ASSOCIATION ON LAC LABELLE INCEIN 92-3662102 · last filed 990-N for 2025
- MARGO FIESELER MINISTRIESEIN 46-4976976 · last filed 990 for 2024
- MATHEMATICS INSTITUTE OF WIEIN 46-4161191 · last filed 990-PF for 2025
- MEADOW VIEW ELEMENTARY PTOEIN 30-0593314 · last filed 990-N for 2024
- MEGHANS MISSION INCEIN 86-3727908 · last filed 990-EZ for 2025
- MEMORIAL HOSPITAL AT OCONOMOWOC AUXILIARY INCEIN 39-6047514 · last filed 990-EZ for 2025
- MICHAEL AND BEVERLY BRUNO FAMILY FOUNDATION INCEIN 11-3656127 · last filed 990-PF for 2024
- MIDWEST ALPINE RACING INCEIN 84-2483133 · last filed 990-EZ for 2025
- MILWAUKEE HANDBELL ENSEMBLE INCEIN 45-5272911 · last filed 990-N for 2024
- MILWAUKEE TORRENT COMMUNITY FOUNDATION INCEIN 47-5363386 · last filed 990-N for 2025
- MOONLIT MOVIES LTDEIN 20-8947086 · last filed 990-N for 2024
- NATIONAL ASSOCIATION OF ORTHOPAEDIC NURSES INCEIN 39-1365561 · last filed 990-N for 2025