JG Development and its team are actively involved in a wide variety of community sponsorships and organizations. These include:
- All-City Dive Meet-Shorewood Hills
- American Red Cross
- 2010 JG Development Blood Drive
- 2011 JG Development Blood Drive
- Angel Flight-Central
- Angel’s Wish
- Dane Buy Local
- Gymfinity Star Invite
- Agrace Hospice Care, Inc.
- JG Development Building Dreams Scholarship
- 2010 Mt. Horeb High School Recipient-Cory F.
- 2011 Mt. Horeb High School Recipient-Danny E.
- Mt. Horeb Optimist Club
- Relay for Life-American Cancer Society
Jeff Grundahl, CR and President of JG Development, has served on the Board of Directors of the Madison Chapter of NARI (National Association of the Remodeling Industry) since 2007.