Data / Nonprofits / Wisconsin / Muskego / Recreation and sports
Recreation and sports nonprofits in Muskego, WI: 19 registered with the IRS
19 recreation and sports nonprofits are registered with the IRS in Muskego, WI, 19 of them 501(c)(3) charities; the 9 that report revenue took in $1.7 million. The largest by revenue: Polonia Youth Soccer Club ($595,250), Muskego Athletic Association ($195,811), Wisconsin Soccer Referee Development Program Inc ($190,929).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Polonia Youth Soccer Club | 501(c)(3) | 1999 | $595,250 | $724,977 | 2025-12 |
| Muskego Athletic Association | 501(c)(3) | 2004 | $195,811 | $458,684 | 2025-10 |
| Wisconsin Soccer Referee Development Program Inc | 501(c)(3) | 2010 | $190,929 | $265,051 | 2025-12 |
| Waterbugs Ski Club Inc | 501(c)(3) | 2003 | $151,128 | $36,017 | 2025-09 |
| Muskego Warriors Youth Baseball | 501(c)(3) | 2007 | $148,639 | $128,067 | 2024-12 |
| Muskego Warriors Shooting Team | 501(c)(3) | 2018 | $141,655 | $86,888 | 2025-08 |
| Muskego Warriors Youth Basketball Inc | 501(c)(3) | 2020 | $120,885 | $40,423 | 2024-12 |
| Muskego Girls Basketball Association Inc | 501(c)(3) | 2016 | $105,819 | $48,371 | 2025-08 |
| Club 101 Baseball Charities Inc | 501(c)(3) | 2023 | $62,792 | $19,260 | 2025-12 |
| Big Bend Celebration Association Inc | 501(c)(3) | 2024 | |||
| MHS Gridiron Club | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Mgva | 501(c)(3) | 2026 | |||
| Muskego Bowling Club Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Muskego Digs Volleyball Booster Club | 501(c)(3) | 2018 | $0 | $0 | 2024-09 |
| Muskego High School Baseball Booster Club | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Muskego Jr Warriors Volleyball | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Muskego Lacrosse Club Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Muskego Stars Volleyball Club Inc | 501(c)(3) | 2012 | $0 | $48,674 | 2025-09 |
| Muskego Warriors Soccer Booster Club Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
Other causes in Muskego, WI
Every nonprofit in Muskego, WI · Recreation and sports nonprofits across the state · Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.