Carlisle Companies Acquires MTL Holdings for $410 Million

MTL Holdings Acquires Citadel Architectural Products

September 19, 2022

Building Products

MTL Holdings has acquired Citadel Architectural Products, adding Citadel’s composite panels and tested wall systems to MTL’s portfolio of building-envelope brands. The deal brings Citadel’s Indiana-based, ISO 9001-certified manufacturing capability and independent rep network into MTL’s family alongside Metal‑Era and Hickman Edge Systems to expand product offerings and single-source envelope solutions.

Carlisle Companies Acquires Henry Company for $1.575 Billion

July 19, 2021

Building Products

Carlisle Companies Incorporated (NYSE:CSL) has entered into a definitive agreement to acquire Henry Company, a provider of building envelope systems, from affiliates of American Securities LLC for $1.575 billion in cash. The acquisition expands Carlisle’s building envelope and energy-efficiency product portfolio, is expected to generate roughly $30 million of pre-tax cost synergies by 2025, and is immediately accretive to Carlisle’s adjusted EPS.

Power Solutions International Acquires MTL Manufacturing & Equipment

March 5, 2026

Industrial Services

Power Solutions International has acquired MTL Manufacturing & Equipment, a Beloit, Wisconsin-based metal and steel fabricator that produces components for power generation systems, including data centers. The deal purchases 100% of MTL’s outstanding stock and is expected to strengthen Power Solutions’ competitive position in the data center market through vertical integration and improved supply chain control. Financial terms were not disclosed, and MTL’s management team will continue to lead operations post-transaction.

Carlisle Companies Acquires MBTechnology, Inc.

February 1, 2022

Building Products

Carlisle Companies Incorporated (NYSE: CSL) has acquired MBTechnology, Inc. (MBT), a Fresno, California-based manufacturer of energy-efficient SBS modified bitumen roofing membranes and underlayment systems. MBT will join Carlisle Construction Materials within Carlisle Weatherproofing Technologies as a strategic bolt-on to expand product offerings, increase rolled-goods capacity and deepen Carlisle's presence in West Coast markets.

Carlisle Companies Acquires MicroConnex Corporation

April 15, 2019

Manufacturing

Carlisle Companies Incorporated (NYSE:CSL) has acquired MicroConnex Corporation, a Snoqualmie, Washington-based manufacturer of high-density interconnect solutions, and will integrate the business into its Carlisle Interconnect Technologies (CIT) operating segment. Cleary Gull acted as exclusive financial advisor to MicroConnex. The acquisition expands Carlisle's advanced manufacturing capabilities—including flexible printed circuits and laser micromachined components—to better serve medical device, sensor, and test & measurement OEM markets.

Cerberus Capital Management Acquires Landmark Structures from Graycliff Partners

December 20, 2024

Infrastructure

Cerberus Capital Management has acquired Landmark Structures, a North American designer, manufacturer and installer of elevated water and industrial storage tanks, from Graycliff Partners. Landmark, headquartered in Texas, will continue to be led by CEO Chris Lamon (who and the management team retain a minority stake) and will receive Cerberus' support to expand capabilities, services and geographic reach.