Rochester Midland Acquires the Norkem Group

Peak Rock Capital Affiliate Acquires Rochester Midland Corporation

July 27, 2023

Manufacturing

An affiliate of Peak Rock Capital has signed a definitive agreement to acquire Rochester Midland Corporation, a 135-year-old specialty chemical supplier headquartered in Rochester, New York. Peak Rock will partner with the Calkins family and RMC management to accelerate growth, pursue complementary acquisitions, and expand the company’s production, geographic footprint, and service offerings.

Rochester Midland Corporation Acquires OCS Chemical Engineering

May 5, 2025

Environmental Services

Rochester Midland Corporation has acquired OCS Chemical Engineering, a Cortlandt Manor, New York-based commercial water treatment services provider. The acquisition expands Rochester Midland's technical capabilities and customer footprint across the Northeast, adding OCS's on-site service, chemical analysis and monitoring capabilities to its route-based specialty chemical and water treatment platform.

Rochester Midland Corporation Acquires Industrial Water Technologies, Inc.

September 5, 2024

Environmental Services

Rochester Midland Corporation has acquired Industrial Water Technologies (IWT), a Tinton Falls, New Jersey-based provider of water treatment services and technical consulting. The deal expands Rochester Midland's technical expertise, service capabilities and customer base in the New York metropolitan area across end markets including healthcare, data centers and manufacturing.

Rochester Midland Corporation Acquires Comprehensive Chemical and Water Treatment (CCWT)

May 19, 2025

Environmental Services

Rochester Midland Corporation has acquired Comprehensive Chemical and Water Treatment Inc. (CCWT), a Saskatchewan-based water treatment service provider founded in 2016. The deal expands Rochester Midland's service footprint across Saskatchewan and brings CCWT's monthly testing and tailored water treatment programs into Rochester Midland's route-based specialty chemicals and technical services platform.

Rochester Midland Corporation Acquires Decon Water Technologies

August 22, 2025

Environmental Services

Rochester Midland Corporation has acquired Decon Water Technologies, a Phoenix-based water treatment service provider with more than 30 years of experience. The deal expands Rochester Midland’s wastewater treatment capabilities by adding Decon’s proprietary chemistry, automation and skilled team; Rochester Midland is PE‑backed and continues to pursue complementary platform add-ons.

Rochester Midland Corporation Acquires Solid Blend Technologies, Inc.

February 12, 2026

Environmental Services

Rochester Midland Corporation has acquired Solid Blend Technologies, Inc., a Dayton, Ohio–based water management and environmental solutions provider. The acquisition expands Rochester Midland's U.S. water business by growing its Midwest presence and adding differentiated solid-chemistry water treatment capabilities and healthcare-focused water-safety expertise.