ONCAP (Onex) Acquires Enertech Holdings from Tower Arch Capital

ONCAP Acquires Majority Stake in Komar Industries

June 3, 2032

Manufacturing

ONCAP, the mid-market private equity platform of Onex Corporation, has acquired a majority stake in Komar Industries, a Groveport, Ohio-based designer and manufacturer of industrial waste and recycling processing systems. The Koenig family remains partnered with ONCAP as Komar looks to expand its product and service offerings and continue its growth.

ONCAP Acquires Majority Stake in Komar Industries

June 2, 2021

Manufacturing

ONCAP (Onex Corporation’s mid-market private equity platform) has purchased a majority stake in Komar Industries, Inc., partnering with the Koenig family. Komar, headquartered in Groveport, Ohio, is a long-established designer and manufacturer of industrial waste and recycling processing systems; terms were not disclosed.

ONCAP (Onex) Acquires Mid-State Industrial Maintenance from CenterGate Capital

June 2, 2025

Industrial Services

ONCAP, the lower-middle-market private equity platform of Onex Corporation, has acquired Mid-State Industrial Maintenance, a Lakeland, Florida-based provider of industrial maintenance, repair and overhaul (MRO) services, from CenterGate Capital. The acquisition expands ONCAP's presence in industrial services and adds capabilities and geographic coverage across the Southeast and Midwest U.S., where Mid-State serves utilities, chemical processing, building products, food & beverage and renewables customers.

26North Affiliate Acquires ArchKey Solutions from One Rock Capital Partners

September 4, 2024

Industrial Services

An affiliate of 26North Partners LP has agreed to acquire ArchKey Solutions from One Rock Capital Partners; the deal was announced in September 2024 and completed in November 2024. ArchKey, a national provider of electrical, technologies and facilities services with over 4,000 employees, will continue its growth under new financial ownership; financial terms were not disclosed.

Tower Arch Capital Recapitalizes Miller Industries

August 30, 2024

Manufacturing

Tower Arch Capital completed a recapitalization of Miller Industries, LLC in a transaction with the Miller family and company management to support growth, vertical integration, and geographic expansion. Greenwich Capital Group served as exclusive financial advisor to the Miller family on the deal, which marks the second platform investment for Tower Arch’s third fund.

One Rock Capital Partners Acquires Stake in ArchKey Solutions

June 7, 2021

Construction

One Rock Capital Partners completed a controlling investment in ArchKey Solutions, acquiring the stake from funds managed by the GFI Energy Group of Oaktree Capital Management. ArchKey, a St. Louis–based national electrical and technologies contracting platform with more than 3,000 employees, will continue to be led by its existing management team as it pursues growth and capability expansion with One Rock's support.