JJA, Inc. is a leading Mechanical and Electrical design and consulting engineering firm established in 1978 in Dallas, Texas. JJA holds P.E. registration in over 30 states and has significant experience in the engineering design, planning, contract administration and commissioning for the following systems. Delivery methods include traditional "Plan and Spec", MBE Alliance, Design Build and Design/Assist processes. Please browse our website and contact us for additional information.