How many employees does Clean Harbors, Inc. have?

Clean Harbors, Inc. reported 22,155 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 18, 2026. That is down 2.8% from a year earlier.

What is Clean Harbors, Inc.'s revenue per employee?

Clean Harbors, Inc. brought in $6.03B of revenue in fiscal Dec 2025, which is $272K per employee. That ranks 127 of 153 companies we track in Industrials, where the median is $393K.

Where do these numbers come from?

Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

Company data

Clean Harbors, Inc. employees and revenue per employee

CLH · Waste Management · $16.8B market cap

Clean Harbors, Inc. had 22,155 employees at the end of fiscal Dec 2025, down 2.8% from a year earlier. Revenue for the year was $6.03B, up 2.4% from a year earlier, or $272K per employee. Revenue held up or grew while headcount stayed flat or fell.

Employees

22,155

-2.8% YoY

Revenue

$6.03B

+2.4% YoY

Revenue / employee

$272K

Peer median $393K

Rank in sector

127 of 153

Industrials

Headcount against revenue

Both lines start at 100 in the first year we hold, so you can see which one grew faster.

EmployeesRevenueIndexed to 100 in Dec 2016

Hover a year for the numbers.

CLH employees and revenue by fiscal year
Year ending	Employees	Revenue	Per employee	Staff YoY	Revenue YoY
Dec 2025	22,155	$6.03B	$272K	-2.8%	+2.4%
Dec 2024	22,796	$5.89B	$258K	+8.4%	+8.9%
Dec 2023	21,021	$5.41B	$257K	+6.3%	+4.7%
Dec 2022	19,775	$5.17B	$261K	+8.1%	+35.8%
Dec 2021	18,300	$3.81B	$208K	+35.6%	+21.0%
Dec 2020	13,500	$3.14B	$233K	-6.3%	-7.9%
Dec 2019	14,400	$3.41B	$237K	+1.4%	+3.4%
Dec 2018	14,200	$3.30B	$232K	+11.8%	+12.1%
Dec 2017	12,700	$2.94B	$232K	+2.4%	+6.9%
Dec 2016	12,400	$2.76B	$222K	—	—

Open roles: we have not matched a verified job board for this company yet.

Employees, last six fiscal years

Revenue per employee, last six fiscal years

Clean Harbors, Inc. against similar companies

The closest sector peers by revenue, from Industrials.

Company	Employees	Revenue	Revenue / employee	Shape
RXO RXO, Inc.	6,906	$5.74B	$831K	Leaner
SARO StandardAero, Inc.	8,000	$6.06B	$758K	Efficient growth
EFX Equifax Inc.	15,000	$6.07B	$405K	Efficient growth
PAYX Paychex, Inc.	17,600	$6.51B	$370K	Leaner
HUBB Hubbell Incorporated	18,000	$5.84B	$325K	Efficient growth
DY Dycom Industries, Inc.	19,556	$5.55B	$284K	Hiring ahead
CLH Clean Harbors, Inc.	22,155	$6.03B	$272K	Leaner
RRX Regal Rexnord Corporation	28,700	$5.93B	$207K	Contracting
UHAL U-Haul Holding Company	32,600	$6.04B	$185K	Leaner

Every Industrials company

Questions about Clean Harbors, Inc.

How many employees does Clean Harbors, Inc. have?: Clean Harbors, Inc. reported 22,155 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 18, 2026. That is down 2.8% from a year earlier.
What is Clean Harbors, Inc.'s revenue per employee?: Clean Harbors, Inc. brought in $6.03B of revenue in fiscal Dec 2025, which is $272K per employee. That ranks 127 of 153 companies we track in Industrials, where the median is $393K.
Where do these numbers come from?: Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

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More data

Compare CLH with the rest of the market

See who earns the most per employee, who is hiring, and who is cutting, across every company we track.

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Source: employee counts and revenue as stated in Clean Harbors, Inc.'s annual reports (Form 10-K), latest filed February 18, 2026. This is data, not a recommendation to buy or sell CLH.