Rochester Midland Corporation, a portfolio company of Peak Rock Capital, has acquired OCS Chemical Engineering, a provider of water treatment services.
Rochester Midland provides route-based technical services and specialty chemical products to the water treatment, food safety, and industrial cleaning sectors. Customers of the company include commercial buildings, food processing plants, healthcare facilities, and educational institutions. Several of Rochester Midland’s products and services include Aquanox Water Treatment Solutions, EnviroCare Food Safety Sanitizers, and Sanor Clean Industrial Cleaners.
Rochester Midland was founded in 1888 by Daniel Calkins, Percy Crowell, and George Ford as the Rochester Germicide Company, a supplier of equipment and disinfecting fluid used in restrooms. Today, the company is headquartered in Rochester, New York, with additional facilities in Canada and the United Kingdom.
OCS Chemical is a provider of water treatment services including boiler and cooling tower water treatment, chemical monitoring and testing, and on-site system maintenance to more than 1,000 commercial real estate, healthcare, and light industrial customers across the Northeastern United States. The company was founded in 1991 by President Scott Lenzi and is headquartered 50 miles north of New York City in Cortlandt Manor, New York.
Peak Rock acquired Rochester Midland in July 2023. The acquisition of OCS Chemical expands Rochester Midland’s presence in the Northeast and adds more than 1,000 commercial customers to its portfolio.
“Rochester Midland’s acquisition of OCS builds upon our strong technical capabilities, service offerings and established customer base in the Northeast,” said Jim White, the CEO of Rochester Midland. “OCS is highly complementary to our existing footprint, and our combined platform will enable us to better service our valued customers in the Tri-state area.”
Austin-headquartered Peak Rock makes debt and equity investments of $30 million to $500 million in middle-market companies with enterprise values from $50 million to $1.5 billion. Sectors of interest include business and technology-enabled services; consumer products and services; distribution and logistics; energy; food and beverage; healthcare; and industrial manufacturing and technology.
© 2025 Private Equity Professional | May 6, 2025
