26North Affiliate Acquires ArchKey Solutions from One Rock Capital Partners

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.

ArchKey Solutions Acquires Total Electric, LLC

December 12, 2023

Electrical Services

ArchKey Solutions has acquired Total Electric, LLC, a Maryland-based electrical service and maintenance provider, to expand ArchKey/Mona's regional facilities services footprint on the U.S. East Coast. Total Electric will join the ArchKey/Mona segment to broaden service capabilities and geographic reach for customers across diverse end markets.

ArchKey Solutions Acquires Orlando Diefenderfer Electrical Contractors

September 18, 2025

Electrical Services

ArchKey Solutions has acquired Orlando Diefenderfer Electrical Contractors, a long-established electrical contracting firm headquartered in Allentown, Pennsylvania. The acquisition adds regional scale to ArchKey's national installation and integrated facilities services platform, expanding its footprint and service capabilities in the Lehigh Valley.

ONCAP (Onex) Acquires Enertech Holdings from Tower Arch Capital

November 14, 2019

Telecommunications

ONCAP, the mid-market private equity platform of Onex Corporation, partnered with Enertech's management team to acquire Enertech Holdings LLC from Tower Arch Capital. Enertech, headquartered in New Braunfels, Texas, is a provider of wireless infrastructure services with more than 470 employees across 14 U.S. facilities; ONCAP plans to grow the business through acquisitions and organic expansion.

Bain Capital Acquires Controlling Stake in Archwest Capital

July 8, 2024

Financial Services

Bain Capital has made a significant growth investment to acquire a controlling stake in Archwest Capital, a national lender focused on non-owner-occupied residential and multifamily real estate financing. Management, led by CEO Shawn Miller, will retain a meaningful minority stake; financial terms were not disclosed. Bain will provide capital and operational resources to help Archwest scale its suite of fix-and-flip, bridge, construction, rental and multifamily lending products.

Park Energy Services (Rock Hill Capital) Acquires Lower-Horsepower Compression Assets from Archrock

July 26, 2021

Energy

Park Energy Services, a Rock Hill Capital portfolio company, acquired certain lower-horsepower operating compression assets from Archrock, Inc., expanding its footprint in South Texas and Pennsylvania. The deal increases Park's customer base and service capabilities as it pursues consolidation of the fragmented lower-horsepower compression segment.