David Schwencke started Full Service Network while he was a student at the University of Pittsburgh in the late 1980s. Over the past 29 years, the company has expanded from one employee to more than 75. The company was formed on the heels of the breakup of the Bell System, when AT&T relinquished control of local telephone service. The company started by offering phone service, but has transitioned into providing office-based, full-service telephone and internet service. Full Service Network's...