# Performance Mechanical, Inc.

> Performance Mechanical, Inc. (PMI) is an award-winning industrial mechanical contractor founded in 1985 in Pittsburg, California. The union-craft company builds and maintains the heavy machinery behind refineries, power plants, water treatment facilities and manufacturing sites - handling process and utility piping, boiler and HRSG erection, structural steel, pipe fabrication, ASME code vessel repairs, and modern BIM and 3D laser scanning. A subsidiary of EMCOR Group since 2007, PMI serves the San Francisco Bay Area, Southern California, Sacramento, Oregon, Nevada and Hawaii with roughly 750 employees and an estimated $73M+ in annual revenue.

- **Founded:** 1985
- **Headquarters:** Pittsburg, California, United States
- **Founders:** Andrew Hosler (President & CEO)
- **Team size:** ~750 employees
- **Products:** Process & Utility Piping, Pipe Fabrication, Boiler & HRSG Erection, Code Vessel Repairs & ASME Inspection, Structural Steel & Millwright
- **Notable:** Founded 1985 and grew from a small Pittsburg startup into an award-winning regional industrial contractor, Acquired by EMCOR Group in November 2007, Ranked No. 47 on the 2007 Plumbing & Mechanical Pipe Trades Giants list ($76.13M pipe trades volume)

## Products & services

- **Process & Utility Piping** — Design, fabrication and installation of process piping systems and equipment - PMI's founding specialty.
- **Pipe Fabrication** — Union pipe fabrication out of two fully equipped shops in California, including code-stamped work.
- **Boiler & HRSG Erection** — Boiler installation and repair, SCR erection and heat recovery steam generator (HRSG) work for power plants.
- **Code Vessel Repairs & ASME Inspection** — ASME/NBIC code stamp repairs and inspection of pressure vessels.
- **Structural Steel & Millwright** — Structural steel erection, rotating equipment installation and millwright services.
- **BIM & 3D Laser Scanning** — Building Information Modeling, 3D modeling and laser scanning with robotic total stations for detailed drawings.
- **Industrial Plant Maintenance** — Ongoing maintenance, upgrades and emergency response for operating industrial plants.
- **HVAC Hydronics** — HVAC wet-side / hydronic piping for commercial and industrial facilities.

## Achievements

- Founded 1985 and grew from a small Pittsburg startup into an award-winning regional industrial contractor
- Acquired by EMCOR Group in November 2007
- Ranked No. 47 on the 2007 Plumbing & Mechanical Pipe Trades Giants list ($76.13M pipe trades volume)
- Recognized safety and training programs exceeding industry standards / safety awards
- Operates two fully equipped pipe fabrication shops in California
- Holds ASME/NBIC code stamps with certified welders

## Latest updates

- **2007-11** — EMCOR Group acquired Performance Mechanical, Inc.; terms undisclosed. PMI became an EMCOR subsidiary.

## Links

- Website: https://perfmech.com
- LinkedIn: http://www.linkedin.com/company/performance-mechanical-inc
- Facebook: https://www.facebook.com/emcorgroupinc

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Last updated: 2026-06-01