Research Products Corporation Acquires EWC Controls Inc.

Madison Air Acquires Research Products Corporation (AprilAire)

May 6, 2025

Building Products

Madison Air, the indoor-air platform of privately held Madison Industries, has acquired Research Products Corporation (RPC), the maker of AprilAire, driSteem, Anden and RPFilters. The deal brings RPC’s residential and commercial indoor air quality products and expertise into Madison Air’s portfolio to expand capabilities across HVAC, filtration, humidification/dehumidification and air purification markets.

SCIO Automation Acquires CEC Controls Company, Inc.

August 15, 2024

Industrial Services

SCIO Automation GmbH has acquired CEC Controls Company, Inc., a Warren, Michigan-based controls systems integrator and former subsidiary of John Wood Group PLC. The acquisition expands SCIO Automation's presence in North America and strengthens its discrete automation and industrial/process control capabilities across automotive, water/wastewater and industrial manufacturing end markets.

Air Control Concepts Acquires Five HVAC Manufacturer Representative Firms

July 23, 2024

Building Products

Air Control Concepts (AIR) completed the acquisition of five regional HVAC manufacturer representative firms — Northrich Company, Air Components, Dorse and Company, JJP Mechanical Reps, LLC, and ThermAir Systems — expanding AIR’s geographic footprint, capabilities and manufacturer relationships across the United States. Each acquired firm will continue to operate under its existing brand while joining AIR’s network of commercial HVAC operating companies.

Climatec (a Bosch company) Acquires Engineered Control Solutions, Inc.

August 6, 2024

HVAC & Mechanical

Climatec, LLC (a Bosch company) has acquired the business of Engineered Control Solutions (ECS), a building automation solutions provider with offices in North and South Carolina. The acquisition (terms undisclosed) strengthens Climatec's Southeast US operations and expands its building automation capabilities across education, government, healthcare, and commercial building markets.

Controlled Environment Systems Acquires Western Environmental Corporation

April 27, 2021

Building Products

Controlled Environment Systems, LLC (CES) has acquired Western Environmental Corporation (WEC), a designer and manufacturer of cleanrooms, metrology labs, CMM enclosures and environmental chambers. The acquisition gives CES additional engineering, certification and turnkey lab capabilities and expands its market reach while WEC will continue to operate from its Franklin, Ohio location.

EMCOR Group Acquires ECM Holding Group

July 5, 2023

Energy

EMCOR Group, Inc. has agreed to acquire ECM Holding Group, Inc., a national energy-efficiency specialty services firm headquartered in Oshkosh, Wisconsin, in an all-cash transaction. The acquisition expands EMCOR's energy efficiency and sustainability services capabilities, adding ECM's HVAC, lighting, water, weatherization and airflow management offerings (ECM had estimated 2023 revenues of $60 million).