Spring Grove Resource Recovery Inc

Altair Disposal Services, LLC

ARC Advanced Reactors & Columns, LLC

Baton Rouge Disposal, LLC

Bridgeport Disposal, LLC

Ch International Holdings, LLC

Clean Harbors Andover, LLC

Clean Harbors Antioch, LLC

Clean Harbors Aragonite, LLC

Clean Harbors Arizona, LLC

Clean Harbors Baton Rouge, LLC

Clean Harbors Bdt, LLC

Clean Harbors Buttonwillow, LLC

Clean Harbors Catalyst Services, LLC

Clean Harbors Chattanooga, LLC

Clean Harbors Clive, LLC

Clean Harbors Coffeyville, LLC

Clean Harbors Colfax, LLC

Clean Harbors Deer Park, LLC

Clean Harbors Deer Trail, LLC

Clean Harbors Development, LLC

Clean Harbors Disposal Services, Inc.

Clean Harbors El Dorado, LLC

Clean Harbors Environmental Services Inc

Clean Harbors Exploration Services, Inc.

Clean Harbors Florida, LLC

Clean Harbors Grassy Mountain, LLC

Clean Harbors Inc.

Clean Harbors Industrial Services, Inc.

Clean Harbors Kansas, LLC

Clean Harbors Kingston Facility Corp

Clean Harbors Laporte, LLC

Clean Harbors Laurel, LLC

Clean Harbors Lone Mountain, LLC

Clean Harbors Lone Star Corp.

Clean Harbors Los Angeles, LLC

Clean Harbors (Mexico), Inc.

Clean Harbors of Baltimore Inc

Clean Harbors of Braintree Inc

Clean Harbors of Connecticut Inc

Clean Harbors Pecatonica, LLC

Clean Harbors Ppm, LLC

Clean Harbors Recycling of Ohio, LLC

Clean Harbors Recycling Services of Chicago, LLC

Clean Harbors Reidsville, LLC

Clean Harbors San Jose, LLC

Clean Harbors San Leon, Inc.

Clean Harbors Services, Inc.

Clean Harbors Tennessee, LLC

Clean Harbors Westmorland, LLC

Clean Harbors White Castle, LLC

Clean Harbors Wilmington, LLC

Crowley Disposal, LLC

Disposal Properties, LLC

Gsx Disposal, LLC

Hilliard Disposal, LLC

Murphys Waste Oil Service Inc

Peak Energy Services USA, Inc.

Plaquemine Remediation Services, LLC

Roebuck Disposal, LLC

Sanitherm USA, Inc.

Sawyer Disposal Services, LLC

Service Chemical, LLC

Tulsa Disposal, LLC

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