David F. Callan

Part of Lumen Technologies, Inc. (Louisiana), XCOM Technologies, Inc. provides local communications services and develops communications software. The company is based in Broomfield, CO. The company was founded by David F. Callan, Shawn M. Lewis.

RiverDelta Networks, Inc. designs, develops and markets solutions for broadband service providers. The company builds networks for delivering voice, data and video services for consumers and businesses. It also provides broadband routing, switching, cable modem termination system and service management solutions. The company was founded by David Callan in 1999 and is headquartered in Tewksbury, MA.

RiverDelta Networks, Inc. designs, develops and markets solutions for broadband service providers. The company builds networks for delivering voice, data and video services for consumers and businesses. It also provides broadband routing, switching, cable modem termination system and service management solutions. The company was founded by David Callan in 1999 and is headquartered in Tewksbury, MA.

RiverDelta Networks, Inc. designs, develops and markets solutions for broadband service providers. The company builds networks for delivering voice, data and video services for consumers and businesses. It also provides broadband routing, switching, cable modem termination system and service management solutions. The company was founded by David Callan in 1999 and is headquartered in Tewksbury, MA.

RiverDelta Networks, Inc. designs, develops and markets solutions for broadband service providers. The company builds networks for delivering voice, data and video services for consumers and businesses. It also provides broadband routing, switching, cable modem termination system and service management solutions. The company was founded by David Callan in 1999 and is headquartered in Tewksbury, MA.