Company overview

Clean Harbors 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, 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 throughout the United States, Canada, Mexico and Puerto Rico.
Founded in 1980
Norwell, Massachusetts, USA
13K employees (74 in marketing)
60% recommend to a friend
56% positive business outlook

Salaries

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People

Hiring activity

Open marketing jobs over time

4 open now

Headcount trend

Company growth over the last 12 months

Headcount +6.8% year over year

Funding

Total funding

$745.4M

Last raise

$745M

Post IPO Debt, 6 months ago

Funding history

Sep 2025

Post IPO Debt Clean Harbors · $745M

Apr 2014

Post IPO Equity Clean Harbors · $375K

Aug 1987

Private Equity Round Clean Harbors

Audience

Monthly website visitors
81.9K
Month over month+0.5%
Quarter over quarter-10.6%
Top sourceDirect (48.3%)
Ad budget per month$68.0K
Average search rank60.8
Traffic source mix
Direct
48.3%
Search
39.9%
Referral
10.4%
Paid referral
1%
Social
0.3%

LinkedIn followers

Follower count and growth

Total followers

133.8K

12-mo growth

Monthly growth

+2.1%

News

Links