How many acquisitions has Clean Harbors made so far?

Clean Harbors has completed 11 acquisitions so far, with an average acquisition amount of $346M.

Which countries does Clean Harbors usually acquire in?

Clean Harbors has made acquisitions in 3 countries with the most activity in United States and Australia.

Which is Clean Harbors' latest acquisition?

Clean Harbors's most recent acquisition is HEPACO, a Provider of environmental services, acquired in February 2024 for $400M.

In which year did Clean Harbors make the most acquisitions?

Clean Harbors was most active in 2012, with 2 acquisitions completed in that year.

List of 11 Acquisitions by Clean Harbors (Apr 2026)

Clean Harbors has made a total of 11 acquisitions. Peak activity occurred in 2012 with 2 acquisitions, and in 2021 and 2024 each saw 1 acquisition. These acquisitions span 3 countries, including United States (7 acquisitions), Australia (2 acquisitions), and Canada (2 acquisitions). The company has also acquired entities across 4 sectors, specifically Waste & Water Management (3 acquisitions), Solar Energy (1 acquisition), and Auto Components (1 acquisition). Over the last five years (2020–2025), the average number of acquisitions per year stands at 0.4, with 0 acquisitions completed as of the current calendar year. The most recent acquisition was HEPACO, a Charlotte-based provider of environmental services founded in 1984, completed in February 2024 for $400M.

Here's the year on year acquisition history of Clean Harbors:

Number of Total Acquisitions

Year	# Acquisitions
2024	1
2021	1
2017	1
2016	1
2015	1
2013	1
2012	2
2011	1
2009	1
1989	1

View all Acquisitions by Clean Harbors

Recent acquisitions by Clean Harbors

Clean Harbors's most recent acquisition - HEPACO is a Provider of environmental services, founded in 1984 and located in Charlotte. Clean Harbors acquired it in February 2024 for a price of $*****.

Here is the list of all acquisitions by Clean Harbors sorted by the latest acquisition date:

Acquired on	Acquired Company	Acquisition Price	Facilitators	Stake Acquired	Acquisition Multiple
Feb 06, 2024	HEPACO	go{v	omgz	15	233
Aug 04, 2021	HydroChemPSC	mmil	yyhx	41	303
May 11, 2017	Lonestar West	eiwe	g{uw	79	744
Jul 2016	Emerald	kjjf	ojsa	86	272
Feb 04, 2015	Thermo Fluids	icgn	bjyu	91	356

View the full list of acquisitions

View all Acquisitions by Clean Harbors

Acquisitions by Clean Harbors

List of Clean Harbors's Acquisitions

Recent acquisitions by Clean Harbors

FAQs about Acquisitions by Clean Harbors