Richard Postma

AboveNet, Inc. provides high bandwidth connectivity solutions for business and carriers. It also provides lit broadband services over its metro networks, long haul network and global IP network. The company's services include high-bandwidth fiber-optic connectivity solutions primarily to corporate enterprise clients and communication carriers, including Fortune list of companies and governmental entities. AboveNet's communications infrastructure and global Internet protocol network are used by companies, such as commercial banks, brokerage houses, insurance companies, investment banks, media companies, social networking companies, web-centric companies, law firms and medical and health care institutions. The company was founded on April 8, 1993 and is headquartered in White Plains, NY.

Part of Windstream Holdings II LLC, US Xchange, Inc. is a competitive local exchange carrier. The company is based in Grand Rapids, MI. US Xchange was acquired by ChoiceOne Communications, Inc. on August 01, 2000 for $493.41 million.

Choice One Communications Inc. is one of the integrated communications providers offering voice and data services including internet solutions, to businesses in across Northeast and Midwest states United States. Choice One offers DSL (Digital Subscriber Line) service directly to its enterprise customers and through wholesale arrangements to other carriers. The company is headquartered in Rochester, NY

Digital Signal Corp. provides three-dimensional long-range facial recognition solutions. It offers enterprise biometric solutions and customized applications to suit customer needs. The company was founded by Richard L. Sebastian and Edward A. Hart in 2001 and is headquartered in Chantilly, VA.

Teledial America, Inc. provides network solutions. The private company is based in Grand Rapids, MI and has subsidiaries in the United States.

Part of Verizon Communications, Inc., City Signal, Inc. is a company that provides local telecommunications services. The company is based in Grand Rapids, MI. City Signal was acquired by Brooks Fiber Properties, Inc. on January 31, 1996.

Part of Lumen Technologies, Inc. (Louisiana), Teledial America of North Carolina, Inc. is a long distance phone service company. The company is based in Charlotte, NC. The company was founded by Nicholas L. Kottyan. Teledial America of North Carolina was acquired by LCI International, Inc. on December 07, 1993 for $5.50 million.

Part of BT Group Plc, US Xchange Directories LLC publishes yellow page directories. The company is based in Milwaukee, WI. US Xchange Directories was acquired by Yellow Book USA, Inc. on February 02, 2005 for $53 million.