Baton Rouge based Bernhard Capital Partners has acquired W.A. Chester, an electrical contractor that specializes in installing, maintaining and repairing underground transmission lines.

The price was not disclosed.

W.A. Chester, which started in Canada in the 1930s as the Henry Ihle Co., has been part of Exelon Corp. for the past two years. The company is headquartered in Lanham, Maryland, and has field offices in nearby Washington, D.C., and Charles Town, West Virginia.

The company works with utility companies and power producers across the U.S. to install, repair and relocate underground power lines.

Bernhard Capital plans to invest in capabilities that will complement W.A. Chester’s leadership in underground transmission and distribution services.

Ali Azad, an operating partner with Bernhard Capital, said the company looks forward to driving its W.A. Chester’s continued success.

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Bernhard Capital Partners, which launched in 2013, has invested $750 million in companies across the U.S., helping them grow from 1,000 employees to 5,000 employees. Jim Bernhard, a former executive and founder of The Shaw Group, said earlier this year he has aggressive plans to grow the company and is looking at investing as much as $5 billion over the next three years.