Clean Harbors, Inc. (CLH)

Clean Harbors Employees

Clean Harbors had 22,591 employees as of December 31, 2025. The number of employees decreased by 205 or -0.90% compared to the previous year.

• Employees: 22,591
• Change (1Y): -205
• Growth (1Y): -0.90%
• Revenue / Employee: $268,179
• Profits / Employee: $17,507
• Market Cap: 14.85B

Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	22,591	-205	-0.90%
Dec 31, 2024	22,796	1,775	8.44%
Dec 31, 2023	21,021	761	3.76%
Dec 31, 2022	20,260	1,160	6.07%
Dec 31, 2021	19,100	5,100	36.43%
Dec 31, 2020	14,000	-400	-2.78%
Dec 31, 2019	14,400	200	1.41%
Dec 31, 2018	14,200	1,500	11.81%
Dec 31, 2017	12,700	300	2.42%
Dec 31, 2016	12,400	-500	-3.88%
Dec 31, 2015	12,900	-100	-0.77%
Dec 31, 2014	13,000	0	-
Dec 31, 2013	13,000	-180	-1.37%
Dec 31, 2012	13,180	4,860	58.41%
Dec 31, 2011	8,320	1,480	21.64%
Dec 31, 2010	6,840	441	6.89%
Dec 31, 2009	6,399	1,595	33.20%
Dec 31, 2008	4,804	35	0.73%
Dec 31, 2007	4,769	195	4.26%
Dec 31, 2006	4,574	674	17.28%
Dec 31, 2005	3,900	108	2.85%
Dec 31, 2004	3,792	94	2.54%
Dec 31, 2003	3,698	-309	-7.71%
Dec 31, 2002	4,007	2,528	170.93%
Dec 31, 2001	1,479	20	1.37%
Dec 31, 2000	1,459	234	19.10%
Dec 31, 1999	1,225	-3	-0.24%
Dec 31, 1998	1,228	99	8.77%
Dec 31, 1997	1,129	-84	-6.92%
Dec 31, 1996	1,213	-225	-15.65%
Dec 31, 1995	1,438	-35	-2.38%
Dec 31, 1994	1,473	-	-

Data Source: Official company filings Last updated: Dec 31, 2025

The employees data for this stock was gathered manually by the Stock Analysis team based on SEC filings and investor relations materials.

Update frequency:

Yearly

Last checked:

May 30, 2026

Data Sources Report a data error