David Knutson

Sprint Spectrum LP (dba Sprint PCS) used to provide wireless personal communication services (PCS) in the United States. It used to cover markets in areas including New York, San Francisco, Detroit, Dallas/Fort Worth and Boston/Providence major trading areas. The company was founded in 1995 and was headquartered in Overland Park, KS.

Headquartered in San Diego, CA, WFI (NASDAQ: WFII) is an independent provider of systems engineering, network services and technical outsourcing for the largest wireless carriers, enterprise customers and for government agencies

Cyren Call Communications Corp. provides advisory and support services for the development of wireless broadband networks that carry priority public safety communications. The company was founded by Thomas J. Sidman, Keith W. Kaczmarek, Morgan Edward O'Brien in 2006 and is headquartered in McLean, VA.

Part of American Personal Communications, Inc., the company provides wireless communications services.

Part of Unisource NV, AT&T Communications Services, Inc. is a provider of telecommunication services. AT&T Communications Services was acquired by AT&T Unisource Communications Services Vof on July 01, 1999.

NextNav LLC provides location services for indoor and urban environments. It offers positioning technology to allow mobile phones and other devices to reliably determine their location in indoor and urban environments where GPS signals can’t be received. The firm's technology combines accurate horizontal positioning with floor-level height precision. The company was founded by Ganesh Pattabiraman, Subbu Meiyappan and Arun Raghupathy in 2007 and is headquartered in Sunnyvale, CA.

Part of Mobileum, Inc., Connectiv Solutions Inc provides management of telecommunications network usage expenses and solutions. The private company is based in Bethesda, MD. Connectiv Solutions was acquired by WeDo Consulting, part of Mobileum, Inc. from August 13, 2019 on May 01, 2012.