Mechanical and Electrical Engineering Consultants

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.

Systems Design Consulting
  • Mechanical
  • Electrical
  • Plumbing
  • Fire Suppression
  • Critical Systems
  • Life Safety
  • HVAC
  • Thermal Storage
  • Building Automation
  • Electrical Power Distribution
  • Lighting
  • Pumping and Piping
  • LEED
  • Commissioning
  • Facility Assessment
  • Energy Modeling
  • Contract Administration
  • Arc Flash Analysis
  • Circuit Breaker Coordination
  • Life Cycle Cost Analysis

MBE/HUB Alliance JJA-ODG Engineering

To assist with project MBE and HUB requirements JJA has formed a strategic alliance with ODG Engineering. ODG Engineering was formed in 2004 by Principal Manuel Gonzalez, PE, BSME. ODG is certified as a Historically Underutilized Business (HUB) by the Texas Building and Procurement Commission and as a Minority Business Enterprise (MBE) by the North Texas Central Texas Regional Certification Agency and Texas Unified Certification Program.