StoneTree Investment Partners Acquires Power Test

Shermco Industries Acquires Power Test, Inc.

April 2, 2024

Industrial Services

Shermco Industries, a Gryphon Investors–backed electrical services platform headquartered in Irving, Texas, has acquired Power Test, Inc., a NETA‑accredited electrical testing and maintenance firm based in Harrisburg, North Carolina. The acquisition expands Shermco's service footprint and capabilities in the southeastern United States; terms were not disclosed and Power Test's management will join Shermco.

StoneTree Investment Partners Acquires Reel Power International

December 11, 2025

Manufacturing

StoneTree Investment Partners has acquired Reel Power International, an Oklahoma City–based manufacturer of engineered winding, spooling, and material-handling equipment, from Praesidian Capital (with prior partnership involvement from Dubin Clark). The investment will support scaling of automation and systems offerings, continued investment in aftermarket parts and service, and operational improvements across Reel Power's Oklahoma City and Houston facilities; terms were not disclosed.

Integrated Power Services Acquires Power Systems Testing Company (PST)

May 1, 2025

Industrial Services

Integrated Power Services (IPS) has acquired Power Systems Testing Company (PST), a NETA-certified electrical testing and field services provider headquartered in Livermore, California. The acquisition expands IPS's NETA field-service capabilities and strengthens its West Coast footprint, adding PST's testing, commissioning and engineering expertise to IPS's service network.

Praesidian Capital Acquires Leading Testing Business

August 26, 2021

Industrial Services

Praesidian Capital, a New York–based private equity firm, acquired a controlling interest in a leading materials/testing services business that serves energy, aerospace & defense, laboratory, steel & pipe and other industrial markets. Praesidian said it will partner with management to scale the business organically and through strategic acquisitions to expand capabilities and market share.

StoneTree Investment Partners Invests in Viking Engineering & Development

October 29, 2024

Manufacturing

StoneTree Investment Partners, a lower middle market industrials-focused private equity firm, has invested in Viking Engineering & Development, a Blaine, Minnesota-based manufacturer of automated assembly and fastening equipment for the pallet and bed frame industries. The investment will support Viking's growth and operational/technology initiatives; financial terms were not disclosed.

JLL Partners Acquires PowerParts Group

January 27, 2026

Manufacturing

JLL Partners has acquired PowerParts Group, a precision manufacturer and field-services provider of aftermarket components for gas- and steam-turbine power plants, from Mangrove Equity Partners. JLL intends to use PowerParts Group as the foundation of a new engineering-focused power-generation components platform and plans to expand capacity and capabilities through organic investment and strategic acquisitions.