Contact Us

JJA Inc.
8150 North Central Expressway
Suite M-2100 Campbell Centre
Dallas, Texas 75206
Toll Free: 1.877.620.2890     Tele: 214.739.8880     Fax: 214.739.1777

     
Chief Operating Officer
John E. Johnston
john.johnston@jjainc.com 		Director of Engineering
Walter D. Horn P.E.
President
walter.horn@jjainc.com 		Director of Mechanical Engineering
Kenneth Gill, P.E.
Vice President
ken.gill@jjainc.com
Director of Electrical Engineering
Gerald D. Chessmore P.E.
Vice President
gerald.chessmore@jjainc.com 		Director of Plumbing / Fire Suppression
Scott A. Herrbold, P.E.
Associate
scott.herrbold@jjainc.com 		Director of Special Projects
James E. Barrilleaux P.E.
Associate
jim.barrilleaux@jjainc.com