Chamber PAC IMichigan Chamber’s Political Action Committee (PAC) is designed to support and retain business-friendly majorities in the State Legislature by recruiting, educating and championing candidates who support the Chamber’s agenda. The PAC also holds elected leaders accountable through publishing legislative voting records. Ranked 22nd among Michigan’s top 150 PACs, the Michigan Chamber PAC is a leader and the voice of businesses and is also one of the largest chamber PACs in the country.