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Clean Harbors to acquire ES&H for $305M

PUBLIC · CLHJul 29, 202611 days ago

Acquiring Company

Clean Harbors

Acquired Company

ES&H

LouisianaEducation

Description

Clean Harbors has announced a $305 million all-cash deal to acquire Louisiana-based ES&H, enhancing its emergency response capabilities. The acquisition is expected to add approximately $90 million in annual revenue. ES&H's notable service offerings align well with Clean Harbors' existing operations, promising cost synergies of about $5 million in the first year. The deal is currently subject to final negotiations.

Company Information

Company

Clean Harbors

About

Clean Harbors (NYSE: CLH) is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, energy and manufacturing, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors also is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates in the United States, Canada, Mexico, Puerto Rico and India. For more information, visit www.cleanharbors.com.

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M&A Insights

Based on deal data
Integration timeline
70% of M&A integrations take 12-24 months to complete
Tech stack consolidation
83% of merged companies consolidate technology vendors within first year
Post-acquisition investment
Companies increase IT spending by 23% on average after acquisitions
Success factor
M&A deals with strong technology integration plans are 2.5x more likely to succeed

Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals — including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications — based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 200,000+ companies. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.