Exhibit 21
Subsidiaries of Clean Harbors, Inc.
Subsidiary | Jurisdiction of Organization |
510127 NB Inc.* | New Brunswick |
Airborne Imaging Inc.* | Alberta |
Altair Disposal Services, LLC | Delaware |
ARC Advanced Reactors and Columns, LLC | Delaware |
Baton Rouge Disposal, LLC | Delaware |
BCT Structures Inc.* | Alberta |
Bridgeport Disposal, LLC | Delaware |
Cat Tech International, Ltd.* | Bahamas |
CH Canada GP, Inc.* | Ontario |
CH Canada Holdings Corp.* | Nova Scotia |
CH International Holdings, LLC | Delaware |
Clean Harbors (Mexico), Inc. | Delaware |
Clean Harbors Andover, LLC | Delaware |
Clean Harbors Antioch, LLC | Delaware |
Clean Harbors Aragonite, LLC | Delaware |
Clean Harbors Arizona, LLC | Delaware |
Clean Harbors Baton Rouge, LLC | Delaware |
Clean Harbors BDT, LLC | Delaware |
Clean Harbors Buttonwillow, LLC | Delaware |
Clean Harbors Canada LP* | Ontario |
Clean Harbors Canada, Inc.* | New Brunswick |
Clean Harbors Caribe, Inc.* | Puerto Rico |
Clean Harbors Catalyst Services Trinidad Limited* | Trinidad |
Clean Harbors Catalyst Services, LLC | Delaware |
Clean Harbors Catalyst Services LP* | Alberta |
Clean Harbors Catalyst Services Ltd.* | Nova Scotia |
Clean Harbors Chattanooga, LLC | Delaware |
Clean Harbors Clive, LLC | Delaware |
Clean Harbors Coffeyville, LLC | Delaware |
Clean Harbors Colfax, LLC | Delaware |
Clean Harbors Deer Park, LLC | Delaware |
Clean Harbors Deer Trail, LLC | Delaware |
Clean Harbors Development, LLC | Delaware |
Clean Harbors Directional Boring Services Ltd.* | Alberta |
Clean Harbors Directional Boring Services LP* | Alberta |
Clean Harbors Disposal Services, Inc. | Delaware |
Clean Harbors El Dorado, LLC | Delaware |
Clean Harbors Energy and Industrial Services Corp.* | Alberta |
Clean Harbors Energy and Industrial Services LP* | Alberta |
Clean Harbors Energy and Industrial Western Ltd.* | Alberta |
Clean Harbors Environmental Services, Inc. | Massachusetts |
Clean Harbors Exploration Services, Inc. | Nevada |
Clean Harbors Exploration Services Ltd.* | Alberta |
Clean Harbors Exploration Services LP* | Alberta |
Exhibit 21
Clean Harbors Florida, LLC | Delaware |
Clean Harbors Grassy Mountain, LLC | Delaware |
Clean Harbors Industrial Services Canada, Inc.* | Alberta |
Clean Harbors Industrial Services, Inc. | Delaware |
Clean Harbors Kansas, LLC | Delaware |
Clean Harbors Kingston Facility Corporation | Massachusetts |
Clean Harbors LaPorte, LLC | Delaware |
Clean Harbors Laurel, LLC | Delaware |
Clean Harbors Lodging Services LP* | Alberta |
Clean Harbors Lodging Services Ltd.* | Alberta |
Clean Harbors Lone Mountain, LLC | Delaware |
Clean Harbors Lone Star Corp. | Delaware |
Clean Harbors Los Angeles, LLC | Delaware |
Clean Harbors Mercier, Inc. | Quebec |
Clean Harbors of Baltimore, Inc. | Delaware |
Clean Harbors of Braintree, Inc. | Massachusetts |
Clean Harbors of Connecticut, Inc. | Delaware |
Clean Harbors Pecatonica, LLC | Delaware |
Clean Harbors PPM, LLC | Delaware |
Clean Harbors Quebec, Inc.* | Quebec |
Clean Harbors Recycling Services of Chicago, LLC | Delaware |
Clean Harbors Recycling Services of Ohio LLC | Delaware |
Clean Harbors Reidsville, LLC | Delaware |
Clean Harbors San Jose, LLC | Delaware |
Clean Harbors San Leon, Inc. | Delaware |
Clean Harbors Services, Inc. | Massachusetts |
Clean Harbors Surface Rentals Ltd.* | Alberta |
Clean Harbors Surface Rentals Partnership* | Alberta |
Clean Harbors Surface Rentals USA, Inc. | Delaware |
Clean Harbors Tennessee, LLC | Delaware |
Clean Harbors Westmorland, LLC | Delaware |
Clean Harbors White Castle, LLC | Delaware |
Clean Harbors Wilmington, LLC | Delaware |
Crowley Disposal, LLC | Delaware |
CTVI Inc.* | Virgin Islands |
Disposal Properties, LLC | Delaware |
Environnement Services Et Machinerie E.S.M. Inc.* | Quebec |
EnviroSORT Inc. | Alberta |
GSX Disposal, LLC | Delaware |
Hilliard Disposal, LLC | Delaware |
JL Filtration Inc.* | Alberta |
JL Filtration Operating Limited Partnership* | Alberta |
Laidlaw Environmental Services de Mexico S.A. de C.V.* | Mexico |
Murphy's Waste Oil Service, Inc. | Massachusetts |
Plaquemine Remediation Services, LLC | Delaware |
Roebuck Disposal, LLC | Delaware |
Exhibit 21
Safety-Kleen de Mexico, S. de R.L. de C.V.* | Mexico |
Safety-Kleen Canada Inc.* | New Brunswick |
Safety-Kleen Envirosystems Company | California |
Safety-Kleen Envirosystems Company of Puerto Rico, Inc. | Indiana |
Safety-Kleen, Inc. | Delaware |
Safety-Kleen International, Inc. | Delaware |
Safety-Kleen International Asia Investment Company Limited* | Hong Kong |
Safety-Kleen of California, Inc. | California |
Safety-Kleen Systems, Inc. | Wisconsin |
Sanitherm Inc.* | Alberta |
Sanitherm USA, Inc. | Delaware |
Sawyer Disposal Services, LLC | Delaware |
Service Chemical, LLC | Delaware |
SK Holding Company, Inc. | Delaware |
SK D'Incineration Inc.* | Quebec |
SK Servicios Ambientales Administrativos, S. de R.L. de C.V.* | Mexico |
Spring Grove Resource Recovery, Inc. | Delaware |
The Solvents Recovery Service of New Jersey, Inc. | New Jersey |
Tri-vax Enterprises Ltd.* | Alberta |
Tulsa Disposal, LLC | Delaware |
*Foreign entity or subsidiary of foreign entity