EMCOR Group announced that it has acquired Performance Mechanical Inc., a privately held industrial mechanical construction and maintenance company headquartered in Pittsburg, Calif. Terms of the transaction were not disclosed.

Founded in 1985, Performance Mechanical, with annual revenues of approximately $90 million, is a full-service industrial mechanical contractor providing process piping and equipment installation, civil, structural, instrumentation, and boiler installation and repair to electrical generating plants, food and beverage producers, pipeline compressor and metering stations, manufacturing facilities and water treatment plants.

The firm’s expertise also includes mechanical maintenance service for industrial turnarounds and maintenance for refineries, terminals, and chemical plants.

“Performance Mechanical has leading positions in the refinery and power plant markets and a long-standing reputation as a premier mechanical construction and services company,” stated Frank T. MacInnis, chairman and chief executive officer of EMCOR. “For many customers, Performance Mechanical maintains a continuous presence in their facilities providing both construction, maintenance and work order task management.”

In the 2007 Plumbing & Mechanical Pipe Trades Giants ranking, Performance Mechanical was listed at No. 47, with a Pipe Trades Volume (plumbing, piping, hydronics, fire protection, water/wastewater treatment) of $76.13 million.