Harris Williams & Co., a middle-market investment bank focused on the advisory needs of clients worldwide, announces the sale of RepconStrickland, a provider of recurring turnaround and specialty services, to strategic buyer EMCOR Group in an all-cash transaction valued at approximately $455 million.

Harris Williams acted as the exclusive advisor to RepconStrickland, a portfolio company of ArcLight Capital Partners. The transaction closed on July 29, 2013 was led by Drew Spitzer, Tiff Armstrong, Matt White, Chris Burnham and Oliver Brooks from the firm’s Energy & Power Group.

“Over the past 35 years, RepconStrickland has grown to become the preeminent provider of highly specialized, mission-critical turnaround, maintenance and other specialty services to the nation’s leading refiners, petrochemical plants and other processors,” said Drew Spitzer, a managing director at Harris Williams & Co. “We are proud to have represented RepconStrickland and ArcLight in this transaction.”

RepconStrickland’s leading market positions and well-known brands have been developed through a long and consistent track record of delivering specialized turnaround and maintenance services with superior project execution, a highly skilled workforce and a best-in-class safety record.

RepconStrickland has built a prominent reputation for performing turnarounds and specialty services for the most critical units of refineries, petrochemical plants and other process facilities. The RepconStrickland platform is comprised of five specialized divisions including Repcon, Inc., AltairStrickland Holdings, Turnaround Welding Services, Diamond Refractory Services and Tiger Tower Services.

ArcLight is an energy-focused private equity investment firm, having invested more than $10 billion since its inception more than a decade ago.

EMCOR is a Fortune 500 worldwide leader in mechanical and electrical construction services, industrial and energy infrastructure and facilities services.