Business Selective Customer Base Key to Success for Manassas IT Firm By Potomac Local News Published June 4, 2013 at 10:03AM | Updated February 6, 2020 at 11:14AM Growing the company out of a small basement to a large office, today John Jewell and Kristen Maxey work to deliver big IT services and small business solutions for JTC, Inc. in Manassas. [Kelly Harman / Potomac Local News] This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #News