Timothy L. Costello

True Partners Consulting LLC engages in the provision of tax and business advisory services. It offers accounting, federal tax, flex staffing, and tax risk management. The company was founded by Cary D. McMillan in 2005 and is headquartered in Chicago, IL.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Sphere Communications, Inc. provides voice, video, and data communications software solutions on broadband networks. The company develops and markets open, standards-based communications software enables customers to make technology investments that will provide long-term returns. Sphere Communications was founded by Charles W. Pearson in June, 1994 and is headquartered in Lincolnshire, IL.