Blackstone Energy Partners Makes Majority Investment in Geosyntec Consultants

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.

Blue Sage Capital Invests in Geo-Solutions, Inc.

November 14, 2023

Industrial Services

Austin-based private equity firm Blue Sage Capital has completed a majority investment/recapitalization in Geo-Solutions, Inc., a New Kensington, Pennsylvania geotechnical and environmental remediation services provider. Blue Sage will partner with Geo-Solutions' management to expand geographic footprint, extend service lines, pursue strategic acquisitions and reinvest in the business.

Earth Systems, LLC Partners With Bio‑Tech Consulting

November 27, 2023

Environmental Services

Earth Systems, LLC has partnered with Orlando-based Bio‑Tech Consulting to expand its environmental engineering and ecological services capabilities across the United States. The deal strengthens Earth Systems' presence in Florida and the Southeast and is part of its long-term growth plan alongside its investor, Palm Beach Capital.

Blackstone Makes Minority Investment in Sia Partners (up to €250M)

December 17, 2024

Consulting

Funds managed by Blackstone's private equity strategy will make a minority investment of up to €250 million in Sia Partners. Founder and CEO Matthieu Courtecuisse retains a significant majority stake and will continue to lead the firm; the capital will support Sia's U.S. expansion, capability development (notably in AI), and strategic M&A.

Blackstone Energy Partners Invests $400M in Xpansiv

July 6, 2022

Energy

Funds managed by Blackstone Energy Partners committed $400 million to lead a strategic growth investment in Xpansiv, the market-infrastructure platform for carbon and environmental commodities. The capital will help Xpansiv scale its exchange, product offerings and pursue further acquisitions to support global decarbonization efforts.

NGL Energy Partners LP Acquires Hillstone Environmental Partners from Golden Gate Capital

November 1, 2019

Oil & Gas

NGL Energy Partners LP has agreed to acquire all equity interests of Hillstone Environmental Partners LLC from Golden Gate Capital for approximately $600 million. The acquisition adds Hillstone's produced water pipelines and disposal well network in the Northern Delaware Basin to NGL's existing Delaware Basin water platform, increasing disposal and transportation capacity and providing long-term contracted volumes.