JJA, Inc. is a leading Mechanical and Electrical consulting engineering firm established in 1978 in Dallas, Texas providing engineering design of HVAC, Plumbing Fire Suppression, Electrical Distribution for commercial and Critical Power Systems, Indoor and Outdoor Lighting systems, Life Safety systems, Sustainable Designs, Energy Modeling and MEP System Commissioning. JJA holds Professional Engineering registrations in over 30 states and has significant experience in the engineering design, planning, contract administration and commissioning for the following types of projects. Delivery methods include traditional “Plan and Spec” MBE/HUB Alliance, Design/Build and Design/Assist processes utilizing AutoCAD and BIM production.