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One Equity Partners Agrees to Acquire EPIC Piping

Reported by Oneequity
Jul 16, 2026· 2 min read
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Key Takeaways
  • • One Equity Partners has entered a definitive agreement to sell Merfish United, a leading master distributor of tubular building products in the United States, to Reliance Steel & Aluminum Co. (NYSE: RS), the largest metals service center operator in North America.
  • • Under OEP's 14-year stewardship beginning in December 2012, Merfish United executed a transformational acquisition strategy, completing three major platform-building transactions (Kloeckner Metal's pipe distribution business in 2016, BBL in 2016, and United Pipe in 2019) that positioned it as one of the largest master distributors of steel pipe and tube products in the U.S.
  • • The sale demonstrates OEP's ability to drive strategic consolidation in the fragmented pipe and tube master distribution industry, with Merfish United now commanding complementary geographic footprints and expanded product categories including carbon steel pipes, copper tubing, plastic pipe, and electrical conduit.
  • • Merfish United benefits from secular tailwinds across steel, plastic, copper, and electrical pipe and tube product segments, positioning the business favorably for the buyer's integration and operational synergies.
Summary
One Equity Partners, a middle market private equity firm, has agreed to sell Merfish United to Reliance Steel & Aluminum Co., concluding a 14-year value creation cycle in the fragmented pipe and tube master distribution sector. Headquartered in Ipswich, Massachusetts, Merfish United operates as a leading master distributor of carbon steel pipes, copper tubing, plastic pipe, electrical conduit, and related products across diverse end markets, serving independent wholesale distributor customers throughout the United States.

OEP's ownership began in December 2012 when the firm partnered with Merfish's founders to establish a consolidation platform in the then-fragmented master distribution industry. The firm executed a disciplined acquisition strategy that materially expanded Merfish's scale, footprint, and product breadth. In 2016, Merfish acquired Kloeckner Metal's pipe distribution business, effectively doubling its operational footprint, followed by the tuck-in acquisition of BBL, a standard pipe master distributor concentrated in the Northeastern U.S. The most transformational step occurred in 2019 when Merfish completed its acquisition of United Pipe, a similarly scaled master distributor that brought complementary geographic coverage and new product categories including plastic, copper, and electrical solutions.

Through these strategic acquisitions orchestrated under OEP's stewardship, Merfish United evolved into one of the largest master distributors of steel pipe and tube products in North America. The company is positioned to capitalize on secular demand drivers spanning the steel, plastic, copper, and electrical pipe and tube markets. The sale to Reliance Steel & Aluminum, the nation's largest metals service center operator, represents a logical exit for OEP and provides institutional investors with evidence of the firm's operational playbook in middle market industrial consolidation.

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Sources

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Oneequity One Equity Partners Agrees to Acquire EPIC Piping