Exhibit 21.1
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 |
Bridgeport Disposal, LLC |
| Delaware |
Cat Tech Asia Pacific PTE Ltd.* |
| Singapore |
Cat Tech Europe Limited* |
| United Kingdom |
Cat Tech International, Ltd.* |
| Bahamas |
Cat Tech Services (Shanghai) Ltd.* |
| Shanghai |
Cat Tech Services (Thailand) Ltd.* |
| Thailand |
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 Technologies, LLC |
| Delaware |
Clean Harbors Catalyst Technologies LP* |
| Alberta |
Clean Harbors Catalyst Technologies Ltd.* |
| Alberta |
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 |
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 Services, Inc. |
| Massachusetts |
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 |
Envirosort Inc. |
| Alberta |
GSX Disposal, LLC |
| Delaware |
Harbor Management Consultants, Inc. |
| Massachusetts |
Hilliard Disposal, LLC |
| Delaware |
JL Filtration Inc.* |
| Alberta |
JL Filtration Operating Limited Partnership* |
| Alberta |
Murphy’s Waste Oil Service, Inc. |
| Massachusetts |
Peak Energy Holdco Ltd.* |
| Alberta |
Peak Energy Services Partnership* |
| Alberta |
Peak Energy Services USA, Inc. |
| Delaware |
Plaquemine Remediation Services, LLC |
| Delaware |
Roebuck Disposal, LLC |
| Delaware |
Sanitherm Inc.* |
| Alberta |
Sanitherm USA, Inc. |
| Delaware |
Sawyer Disposal Services, LLC |
| Delaware |
Service Chemical, LLC |
| Delaware |
SK D’Incineration Inc.* |
| Quebec |
Spring Grove Resource Recovery, Inc. |
| Delaware |
Tri-vax Enterprises Ltd.* |
| Alberta |
Tulsa Disposal, LLC |
| Delaware |
*Foreign entity or subsidiary of foreign entity