Filing Flows

Filing Flows › Comparisons › CLH vs PESI

Clean Harbors vs Perma FIX Environmental Services: CLH and PESI compared

Clean Harbors is the larger company: $1.9B of revenue in its latest quarter (Q3 2026) against $17.9M for Perma FIX Environmental Services (Q3 2026). Clean Harbors is growing faster (+21% against +3% a year earlier). Clean Harbors is more profitable, with an operating margin of 17.0% against -20.4%.

Clean Harbors vs Perma FIX Environmental Services, latest quarterClean Harbors vs Perma FIX Environmental Services, latest quarterClean Harbors (CLH)Perma FIX Environmental Services (PESI)Revenue$1.9B$17.9MRevenue growth, Y/Y+21%+3%Operating margin17.0%-20.4%Net margin11.1%-19.3%

Where the money goes: CLH and PESI

Clean Harbors (CLH) · Q3 2026

Clean Harbors, Q3 2026: revenue $1.9B (+21% year over year), operating margin 17.0%, net earnings $208M, operating cash flow $419M. The chart follows the revenue to costs, profit and cash.

Perma FIX Environmental Services (PESI) · Q3 2026

Perma FIX Environmental Services, Q3 2026: revenue $17.9M (+3% year over year), operating margin -20.4%, net loss $3.5M, operating cash flow −$2.0M. The chart follows the revenue to costs, profit and cash.

Clean Harbors revenue by segment, Q3 2026Clean Harbors revenue by segment, Q3 2026Service revenues$1.5BProduct revenues$340M
Perma FIX Environmental Services revenue by segment, Q3 2026Perma FIX Environmental Services revenue by segment, Q3 2026Treatment$11.6MServices$6.3M
Clean Harbors (CLH)Perma FIX Environmental Services (PESI)
Latest quarterQ3 2026Q3 2026
Revenue$1.9B$17.9M
Revenue growth, Y/Y+21%+3%
Operating margin17.0%-20.4%
Net earnings$208M−$3.5M
Net margin11.1%-19.3%
Operating cash flow$419M−$2.0M
Free cash flow$323M—
Market value$14.9B—
P/E28.3×—
Analysts’ mean target$366.80—

Where the revenue comes from

Clean Harbors

Perma FIX Environmental Services

Questions

Which is bigger, Clean Harbors or Perma FIX Environmental Services?

Clean Harbors is the larger company: $1.9B of revenue in its latest quarter (Q3 2026) against $17.9M for Perma FIX Environmental Services (Q3 2026).

Is Clean Harbors or Perma FIX Environmental Services growing faster?

Clean Harbors is growing faster (+21% against +3% a year earlier).

Which is more profitable, Clean Harbors or Perma FIX Environmental Services?

Clean Harbors is more profitable, with an operating margin of 17.0% against -20.4%.

More: Clean Harbors earnings · how Clean Harbors makes money · Perma FIX Environmental Services earnings · how Perma FIX Environmental Services makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 28, 2026; 10-Q filed Nov 5, 2026). Fiscal quarters can end on different dates. Not investment advice.