Matt C. Newton

Columbia Capital LLC (Columbia Capital) is a venture capital firm founded in 1989 by Dave P. Mixer. The firm is headquartered in Alexandria, Virginia.

Optasite, Inc. develops and operates telecommunications tower sites. It provides tower sites for wireless carriers, broadcasters, and public safety organizations. The company was founded in 1995 and is headquartered in Westborough, MA

Cleveland Unlimited, Inc. provides wireless communication services. The firm owns and operates Revol Wireless, a simple mobile phone service that offers unlimited wireless service for one flat monthly rate without requiring long-term contracts or deposits. It is a different kind of wireless company, a refreshing unconventional alternative from traditional communications companies. The company was founded in 2005 and is headquartered in Independence, OH.

ExteNet Systems, Inc. owns, manages and operates indoor and outdoor distributed networks. It offers node and fiber network monitoring, base transceiver station hub security monitoring, advanced remote diagnostics, network event notification and resolution, trouble ticketing, scheduled maintenance, and network health reporting services. The company was founded by Ross W. Manire and Eric Lekacz in 2002 and is headquartered in Lisle, IL.

Cellular One of East Texas, headquartered in Nacogdoches, Texas, is the only wireless carrier based in and dedicated exclusively to serving communities in East Texas. In addition to superior coverage, outstanding customer service, and an extensive retail store network, the company provides advanced communications services with a strong local focus to over 300,000 people. The company is committed to expanding its GSM network and broadband data services to improve the communities that they call home.

Virtustream LLC provides information technology and cloud software services. It is a cloud innovator offering cloud solutions to enterprises, governments and service providers. The firm enables businesses to move complex production applications to the cloud whether private, public or hybrid while delivering the economic and business benefits of the cloud. The company was founded by Kevin Reid and Rodney J. Rogers in 2008 and is headquartered in Bethesda, MD.

Affinity Internet, Inc. provides web hosting services. The company was founded by John Zdanowski in 1996 and is headquartered in Chicago, IL.

Adjoined Consulting, Inc. provided management consulting, technology and outsourcing services. Its services include strategic and operational consulting, leading-edge technology integration, outsourcing solutions and independent research. The company's clients include consumer goods and retail, food and beverage, life sciences, industrial products, financial services, communications, travel and leisure industries. It has offices in Atlanta, New York, New Jersey, Washington, Boston and Phoenix. Adjoined Consulting was founded in April, 2000 and was headquartered in Miami, FL.

mindSHIFT Technologies, Inc. provides information technology outsourcing and cloud services. It offers managed IT Services, cloud, data center and professional services. The firm's clients include small and medium sized businesses, law firms, nonprofit associations, financial services and healthcare companies. The company was founded in by Michael P. Wheeler and Mark A. Moore in 1999 and is headquartered in Sterling, VA.