Intermech History

1915

The Bahnson Company is founded in Winston-Salem, NC and becomes a national and international leader in the design, fabrication and installation of specialized industrial HVAC and filtration systems.

1960

The Bahnson Company’s growth continues with a total employee force exceeding 2,000 employees.

1970

Bahnson is awarded its first contract for HVAC systems in U.S. commercial nuclear power plants for the Brunswick Nuclear Station located near Southport, NC.

1971

The fabrication and installation of plant HVAC systems is awarded to the company for the McGuire Nuclear Station near Charlotte, NC.  The company ultimately provides fabrication and/or installation on over 60 nuclear power plants that are constructed in the U.S. during the 1970’s and 1980’s.

1980

Intermech, Inc. is established as a Bahnson Holdings, Inc. Group Company, initially for the purpose of installing mechanical systems in U.S. commercial nuclear power plants.

1997

Intermech is awarded the contract for fabrication and installation of the HVAC and process exhaust systems for the U.S. Army’s Umatilla Chemical Demilitarization Facility near Hermiston, OR.  The plant is constructed for the safe disposal of highly toxic and hazardous weapons materials requiring stringent construction performance and quality control procedures.

1999

Intermech acquires Thompson Mechanical Contractors, Inc. located in Pasco, WA.  Thompson’s operations are relocated to a new facility in Richland, WA and begin the path of full integration into the Intermech organization.

1999

Intermech is awarded the contract for fabrication and installation of HVAC and process exhaust systems for the U.S. Army’s Pine Bluff Chemical Demilitarization Facility near Pine Bluff, AR.  Subsequently, the company is awarded the next two chemical and biological weapons demilitarization facilities near Aberdeen, MD (2001) and Newport, IN (2002).

2001

Intermech acquires Atlas Mechanical and Industrial, LLC located in Idaho Falls, ID.  Atlas’ operations begin the path of full integration into the Intermech organization.

2002

The Main Plant Ductwork Fabrication and Installation for the River Protection Project - Waste Treatment Plant located at the U.S. Department of Energy’s Hanford Reservation near Richland, WA is awarded to Intermech.  The contract includes the fabrication and installation of nearly 3.8 million pounds of nuclear quality and commercial grade ductwork and supports with a contract value exceeding $70 million.

2005

The company’s fabrication facility located in Richland, WA achieves top recognition for occupational safety & health as Voluntary Protection Program (VPP) STAR.  Later, Intermech receives the same status for field construction operations on the DOE River Protection Project Waste Treatment Plant.

2006

Intermech’s national operations continue to expand with multiple, simultaneous major industrial mechanical and  process piping installations awarded throughout the United States.

2008

Intermech expands its operations with the opening of the McLeansville, NC Regional Operations Center. The facility specializes in a broad range of fabrication for piping systems, including hygienic piping for the pharmaceutical and life science industries, and provides support for Intermech’s regional construction projects. Intermech McLeansville also completes the implementation of the company’s NQA-1 quality program for the fabrication of piping and mechanical skids used in the nuclear industry.