Robert C. Froetscher

Vista Advisors LLC provides insurance agency services. The private company is based in Dallas. The American company was founded by Robert C. Froetscher. Kenneth Winterhalter has been the CEO of the company since 2019.

Founded by John Willis and Avy Stein in 1995, Willis Stein & Partners is a private equity firm located in Chicago.

The Northridge Group, Inc. provides temporary staffing and consulting services. Its services include interim management, bill auditing, margin optimization, financial analysis, regulatory assistance and call center solutions. The company was founded by Therese K. Fauerbach and Susan M. Platner in 1999 and is headquartered in Rosemont, IL.

MCI, Inc. provides telecommunication services. It serves thousands of businesses and government entities throughout the world and provides voice, data and Internet communication services for millions of customers. The company is located in Ashburn, VA

Ameritech Corp. provided telecommunications services in the United States. Its Bell Group provided exchange telecommunications, local and long-distance exchange access services for business and residential customers in the Midwest was made up of Illinois Bell, Indiana Bell, Michigan Bell, Ohio Bell and Wisconsin Bell. The company was headquartered in Chicago, IL.