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November 8, 2007
Mainline Supply Company Acquires Certain Assets of United Water Works

Code Hennessy & Simmons LLC (“CHS”) announced that Mainline Supply Company (“Mainline”) has acquired certain assets of United Water Works (“UWW”), a distributor of underground infrastructure products. Mainline is a portfolio investment of CHS Private Equity V LP, a $1.3 billion investment fund formed in 2005.

Founded in 1997, UWW provides municipalities, contractors and public and private water systems with a wide range of water and wastewater products and services. With three branches in the Midwest, UWW’s product offering includes pipes, valves, fittings, fire hydrants and an array of underground products and solutions.

Chris Antos, General Manager of UWW, said, “We have high regard for the team at Mainline and the relationships they have cultivated with key vendors. We look forward to working together to continue Mainline’s growth strategy.”

Headquartered in Charlotte, North Carolina, Mainline is one of the leading wholesale distributors of underground infrastructure products in the Southeast. For over ten years, Mainline has specialized in distributing underground utility products to water, sewer and drainage contractors for installation in both the public and private sectors. Mainline distributes nearly 9,500 SKUs to approximately 3,000 customers through 35 branch locations in eleven states in the Southeast, Mid-Atlantic and Midwest regions. For additional information about Mainline, please refer to the company’s website at

Tim Tysinger, CEO and President of Mainline, said, “UWW’s presence in the Midwest is a valuable opportunity for Mainline. We look forward to working with Chris and his team to serve new customers in new markets, but with the same excellent levels of customer service.”

CHS is a Chicago-based private equity firm specializing in private equity investments and recapitalizations of middle market companies in partnership with management. CHS targets well-managed companies focused on growth with enterprise values between $75 million and $1 billion. With particular expertise in the Business & Consumer Services, Distribution, Consumer Products and Infrastructure & Industrial Products sectors, CHS has completed 69 platform investments and 164 add-on investments. Founded in 1988, CHS has formed five private equity funds and currently manages over $2.5 billion of capital. For additional information about CHS, please refer to the firm’s website at