Company: CLH
Filing Date: 2025-02-19
Form Type: 10-K
Source: 0000822818-25-000007
Chunk: 112

Company: CLEAN HARBORS INC
Filing Date: 2025-02-19
Form: 10-K
Item: Item 1
Chunk 112
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220 $407 $5,889,952 For the year ended December 31, 2023Environmental ServicesSafety-Kleen Sustainability SolutionsCorporateTotalPrimary Geographical MarketsUnited States$4,022,394 $846,339 $447 $4,869,180 Canada447,515 92,457 — 539,972 Total third-party revenues$4,469,909 $938,796 $447 $5,409,152 Sources of RevenueTechnical Services$1,563,847 $— $— $1,563,847 Industrial Services and Other1,418,938 — 447 1,419,385 Field and Emergency Response Services609,913 — — 609,913 Safety-Kleen Environmental Services877,211 224,830 — 1,102,041 Safety-Kleen Oil— 713,966 — 713,966 Total third-party revenues$4,469,909 $938,796 $447 $5,409,152 

66

Table of ContentsCLEAN HARBORS, INC. AND SUBSIDIARIESNOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

For the year ended December 31, 2022Environmental ServicesSafety-Kleen Sustainability SolutionsCorporateTotalPrimary Geographical MarketsUnited States$3,675,880 $899,780 $507 $4,576,167 Canada469,093 121,345 — 590,438 Total third-party revenues$4,144,973 $1,021,125 $507 $5,166,605 Sources of RevenueTechnical Services$1,495,264 $— $— $1,495,264 Industrial Services and Other1,311,072 — 507 1,311,579 Field and Emergency Response Services575,300 — — 575,300 Safety-Kleen Environmental Services763,337 199,360 — 962,697 Safety-Kleen Oil— 821,765 — 821,765 Total third-party revenues$4,144,973 $1,021,125 $507 $5,166,605 Contract Balances (in thousands)December 31, 2024December 31, 2023Receivables$1,015,357 $983