Over the course of her life, she donated more than $250 million to the community and through her Jane Bradley Pettit Foundation.[7] She donated $90 million to the BMO Harris Bradley Center.[1][2][5] Her US$20 million donation to build the Lynde & Harry Bradley School of Technology & Trade, which replaced 100-year-old Milwaukee Technical & Trade High School, was the largest single private gift ever to a public school in the United States.[1] She also donated $9 million to the Pettit National Ice Center, an indoor skating facility with two Olympic-sized hockey rinks and a 400-meter skating oval.[1] In 1999, she bought 14 percent of the Milwaukee Brewers.[1] She was inducted into the Wisconsin Athletic Hall of Fame because of it.[4] She also donated more than US$100,000 to the United Way of Great Milwaukee.[8] The Jane Bradley Pettit Building, home to the Milwaukee Institute of Art & Design, is named for her. She founded the Jane Bradley Pettit Foundation.[9]
In 1994, Pettit and her husband Lloyd were honored with the "Lombardi Award of Excellence" from the Vince Lombardi Cancer Foundation. The award was created to honor Vince Lombardi's legacy and is awarded annually to an individual who exemplifies his spirit.