Rochester Midland Corp., a leading provider of route-based technical services and specialty chemical products, announced it has acquired OCS Chemical Engineering, a water treatment service provider headquartered in Cortlandt Manor, New York.

Founded in 1991, OCS Chemical Engineering serves more than 1,000 customers throughout the Northeast. The company has built a strong reputation for its comprehensive commercial water treatment solutions, which focus on reducing energy costs, meeting regulatory compliance, and extending the lifespan of critical water systems. OCS achieves this through consistent on-site service, in-depth chemical analysis and continuous monitoring.

“Rochester Midland’s acquisition of OCS enhances our technical capabilities and expands our presence in a key geographic region,” said Jim White, CEO of Rochester Midland. “OCS is a natural fit with our business. Their deep experience and strong customer relationships in the Tri-state area will help us strengthen our offerings and deliver even greater value to our clients.”

Rochester Midland provides a wide range of specialized services across multiple sectors, including water treatment, food safety, facility hygiene, and sustainable cleaning solutions. The acquisition of OCS aligns with the company’s strategic focus on growing its water treatment business and investing in high-quality service platforms.

Scott Lenzi, founder of OCS, said the partnership marks a promising new chapter for the company.

“We are thrilled to join forces with Rochester Midland,” Lenzi said. “They share our commitment to technical excellence and customer service. This collaboration will not only accelerate growth but also ensure our customers continue to receive the highest level of support.”

Both companies emphasized the cultural alignment and shared dedication to customer satisfaction as key drivers of the acquisition. The deal positions Rochester Midland to scale its offerings while maintaining the hands-on service that has distinguished OCS in the water treatment space for over three decades.

Founded in 1888, Rochester Midland Corp. is a prominent provider of route-based technical services and specialty chemical solutions. The company serves a broad range of industries, including water treatment, food safety, and facility hygiene. Headquartered in Rochester, New York, Rochester Midland also maintains operations throughout the United States, Canada and the United Kingdom.

Rochester Midland delivers a broad portfolio of chemical solutions designed to meet the needs of industrial, commercial and institutional clients. In the water treatment sector, the company offers an extensive lineup of products such as biocides, scale and corrosion inhibitors, dispersants, oxygen scavengers, alkalinity builders, pre-commission and in-service deposit cleaners, coagulants, flocculants and anti-foaming agents. In addition to water treatment, Rochester Midland supports the food and beverage industry with hygiene and sanitation solutions, and supplies a wide range of facility maintenance products. Its offerings include cleaning agents, sanitizers, corrosion inhibitors, and other specialty chemicals tailored to help clients maintain regulatory compliance, improve operational efficiency and promote safety.