STERLING, VA — Two companies have signed leases cumulatively representing nearly 20,000 s/f of space with St. John Properties at Loudoun Tech Center, a business community located near VA Routes 7 and 28 in the Dulles Airport/Route 28 North sub-market of Sterling. St. John Properties’ buildings in Loudoun Tech Center include 127,000 s/f of R&D/office/flex buildings at the intersection of Ridgetop Circle and Nokes Blvd. Danny Severn of St. John Properties represented the landlord in both transactions. Envise signed a lease for 8,333 s/f of space at 21670 Ridgetop Circle, a 32,801 s/f R&D building. Adam Schindler of Serten Advisors represented the tenant in this transaction. Autism Outreach, Inc. leased 11,028 s/f of space at 21680 Ridgetop Circle, a 35,558 s/f R&D building. Kevin Fitzpatrick and Allen McBride of KW Commercial represented the tenant in this transaction.