Blackstone Energy Transition Partners to Acquire Arlington Industries

Blackstone Energy Transition Partners Acquires Alliance Technical Group

January 6, 2026

Environmental Services

Funds affiliated with Blackstone Energy Transition Partners and other Blackstone funds have acquired Alliance Technical Group (ATG), a Decatur, Alabama–based provider of environmental testing, monitoring and compliance services. ATG operates more than 60 offices and labs across the U.S. and Canada with over 2,200 employees; terms were not disclosed.

ArcLight Capital Partners Acquires Advanced Power

July 24, 2025

Energy

ArcLight Capital Partners has acquired Advanced Power and committed an initial $1 billion equity investment to accelerate development of modern power infrastructure. The partnership could deploy more than $5 billion over five years to support over 20 GW of new generation and 10+ GWh of storage, targeting utilities, data center developers and hyperscalers across North America.

Blackstone Infrastructure to Acquire TXNM Energy for $11.5 Billion

May 19, 2025

Infrastructure

TXNM Energy entered into an agreement for Blackstone Infrastructure to acquire TXNM Energy for $61.25 per share in cash, valuing the deal at $11.5 billion including net debt (excluding securitization debt) and preferred stock. The transaction remains subject to regulatory approvals and other customary closing conditions, with an initially estimated closing window in 2H 2026 (later extended to an expected 1H 2027 timeline).

Blackstone Energy Transition Partners Makes Majority Investment in Westwood Professional Services

August 7, 2024

Engineering Services

Private equity funds affiliated with Blackstone (Blackstone Energy Transition Partners) have agreed to make a majority investment in Westwood Professional Services, Inc., acquiring the stake held by Endurance Partners and Palm Beach Capital while Westwood management and employee shareholders retain a minority interest. Westwood, a Plano, Texas–based engineering and design firm with more than 1,600 employees, serves renewables, power, real estate and public infrastructure end markets and will leverage Blackstone's resources to expand capabilities across those markets.

Arcline Investment Management Acquires Electric Power Systems and North American Substation Services

April 21, 2021

Infrastructure

Arcline Investment Management acquired Electric Power Systems (EPS) and North American Substation Services (NASS) from Industrial Growth Partners to create a leading electric infrastructure services platform (now branded Voltyx). Industrial Growth Partners retained a minority stake in the combined business; the deal brings together protection and control engineering, high-voltage apparatus testing, and substation maintenance capabilities to serve utilities, renewable energy, data center and commercial customers.

Arlington Capital Partners Acquires Tex Tech Industries

August 24, 2017

Manufacturing

Arlington Capital Partners, a Washington, D.C.-area private equity firm, has acquired Tex Tech Industries, a Maine-headquartered manufacturer of specialty high-performance textile materials serving aerospace, defense and industrial markets. The deal—completed in August 2017—transfers ownership from ShoreView Industries and positions Tex Tech for growth under Arlington's buy-and-build strategy.