Waste Management (WM) Acquires Stericycle for $7.2 Billion

Carlyle Acquires Majority Stake in Waste Services Group from Livingbridge

December 9, 2024

Environmental Services

Global investment firm Carlyle has agreed to acquire a majority stake in Australian waste management company Waste Services Group (WSG) from Livingbridge, which will retain a significant minority and reinvest. WSG operates in the commercial and industrial waste and liquid waste segments, serving over 10,000 customers and employing over 600 people; Carlyle plans to support geographic expansion and broaden WSG’s service offering across Australia.

Sedgwick Acquires Stericycle's Expert Solutions Service Line

December 2, 2020

Professional Services

Sedgwick has acquired Stericycle's Expert Solutions service line, bringing market-leading recall, remediation and retention capabilities in-house. The acquisition adds more than 300 employees across the U.S., Canada and Europe and expands Sedgwick's integrated offerings for clients in automotive, food & beverage, medical devices, retail, pharmaceuticals and consumer products sectors.

Veolia to Sell Suez Recycling and Recovery UK Group to Macquarie for €2.4bn

August 8, 2022

Environmental Services

Veolia has executed a unilateral put agreement for Macquarie Asset Management to acquire 100% of Suez Recycling and Recovery UK Group (Suez’s UK waste business) for approximately €2.4 billion. The deal is subject to UK Competition and Markets Authority (CMA) approval and other agreed conditions, following Veolia’s 2021 Suez takeover and associated antitrust divestment program.

Ridgewood Infrastructure Acquires Waste Resources Management (WRM)

January 9, 2024

Environmental Services

Ridgewood Infrastructure LLC has acquired Waste Resources Management (WRM), a Houston-based provider of liquids and wastewater collection, treatment and disposal services that operates 13 treatment facilities across the U.S. Ridgewood said the acquisition expands its water-sector platform and will support WRM’s growth and service offering enhancements as the firm scales the business.

Northstar Recycling Acquires Waste Technology Services

October 14, 2025

Environmental Services

Northstar Recycling Company, LLC has acquired Waste Technology Services, LLC, combining two asset-light providers of managed waste, byproduct management and environmental consulting to strengthen technical capabilities and expand sustainability-oriented services. WTS, founded in 1982 and headquartered in Lewiston, New York, will join Northstar's platform (PE-backed after a 2021 recapitalization led by Ridgemont Equity Partners) to deliver broader recycling, reuse and reclamation solutions across specialty chemical, pharmaceutical, high-technology and industrial end markets.

STERIS Acquires Key Surgical from Water Street

November 18, 2020

Healthcare Services

STERIS plc signed a definitive agreement to acquire Key Surgical, a portfolio company of Water Street Healthcare Partners, LLC, and later completed the sale. Under Water Street’s nearly four-year partnership, Key Surgical expanded globally across consumable sterile processing, operating room, and endoscopy product offerings.