About Us

PMI fabrication facility with American flag on wallPerformance Mechanical, Inc. (PMI) is an award-winning provider of best-in-class industrial and commercial contractor services, including industrial plant maintenance and construction services, process piping systems design and fabrication, code vessel repairs, welding and HVAC piping solutions.

PMI is built upon a heritage of honesty, integrity and ethics. We are laser focused on continuous improvement and work hard to establish trust and successful long-term relationships.  Our combined expertise in industrial and commercial construction make us an industry leader throughout California and Hawaii.

Our services include:

  • Process and utility piping
  • Shop fabrication - piping
  • Underground (UG) piping systems
  • Rotating equipment - millwrights
  • Structural concrete
  • Equipment setting and alignment
  • Code stamps: ASME PP, ASME S, and NBIC R
  • Building information modeling (BIM), 3D laser scanning, 3D modeling and detailed drawings
  • Bulk material handling systems
  • Beverage production and packaging systems
  • Boiler erection - ducting
  • Combustion and steam turbine setting/alignment
  • Heat recovery steam generator (HRSG) erection
  • Structural steel erection
  • HVAC piping
  • Radiant flooring
  • Hydronics
  • Variable refrigerant flow (VRF) systems
  • Robotic total station
  • Commissioning support

PMI Corporate Office: 
Pittsburg, CA. 
Office, fabrication shop (4,900 square feet), warehousing, yard

Northern California: 
Sacramento, CA. 
Office, fabrication shop (12,000 square feet), warehousing, yard

Southern California: 
Huntington Beach, CA. 
Office, fabrication shop (15,000 square feet), warehousing, yard

We serve a wide range of customers throughout California and Hawaii.  Our robust network of office and shop locations enables us to efficiently respond to client’s on-going and emergency needs.