Named the fastest growing RE company in Chicago (Crain's, 2014), MACK Companies is an organization of real estate divisions t ... hat offer investment, construction, residential, commercial, landscape and brokerage services. Founded in 1998 by Chicago-native father and son duo James and Jim McClelland, MACK Companies was built out of a shared passion for real estate. Today MACK Companies is one of the largest providers of turn-key real estate with a portfolio of over 1200 single-family homes in the Chicago-land area. With a team of experts employed throughout 15 corporate departments MACK Companies is able to function at the highest levels of production in all specialized sectors of real estate. read more