Taxpayers United Of America: (TUA). is a nonpartisan, 501(c)(4) taxpayer advocacy group. Founded June 27, 1976 in Chicago, Illinois by activist and economist Jim Tobin, TUA works on behalf of taxpayers to reduce local, state, and federal taxes. In the past forty years, TUA has saved taxpayers more than $200 billion n taxes and has become one of the largest taxpayer organizations in America. Check All posts.