 Suffredin's lobbyist clients include or have included resort and casino company MGM Mirage, owners of the Grand Victoria Casino in Elgin, Illinois, and Penn National Gaming, owners of the Hollywood Casino, Aurora, Illinois, the Illinois Alliance of Competitive Telephone Companies, the Donors Forum of Chicago, the Illinois Arts Alliance, and Illinois Citizens for Handgun Control, the Chicago Bar Association, and Kankakee Regional Landfill LLC.He is also a registered lobbyist for Abbott Laboratories, Nursepower Services Corporation, and Quest Diagnostics.Suffredin serves part-time as a Commissioner on the Cook County Board.