EXHIBIT 21.1
SUBSIDIARIES OF THE REGISTRANT
Subsidiary |
| Jurisdiction of Organization |
|
|
|
2090789 Ontario Inc.* |
| Ontario |
510127 NB Inc.* |
| New Brunswick |
Airborne Imaging Inc.* |
| Alberta |
Altair Disposal Services, LLC |
| Delaware |
ARC Advanced Reactors and Columns, LLC* |
| Texas |
Astec Safety Services Ltd.* |
| Alberta |
Baton Rouge Disposal, LLC |
| Delaware |
Breathing Systems International, LLC* |
| Texas |
Bridgeport Disposal, LLC |
| Delaware |
Cat Tech Asia Pacific PTE Ltd.* |
| Singapore |
Cat Tech Canada Ltd.* |
| Alberta |
Cat Tech Europe Limited* |
| UK |
Cat Tech International, Ltd.* |
| Bahamas |
Cat Tech LLC* |
| Texas |
Cat Tech Operating Limited Partnership* |
| Alberta |
Cat Tech Chemical Service (Shanghai) Co., Ltd.* |
| Shanghai |
Cat Tech Services (Thailand) Ltd.* |
| Bangkok, Thailand |
Cat Tech Services South East Europe* |
| Bulgaria |
Cat Tech Trinidad Limited* |
| Trinidad |
CH Canada GP, Inc.* |
| Ontario |
CH Canada Holdings Corp.* |
| Nova Scotia |
CH International Holdings, Inc. |
| 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 Chattanooga, LLC |
| Delaware |
Clean Harbors Clive, LLC |
| Delaware |
Clean Harbors Coffeyville, LLC |
| Delaware |
Clean Harbors Colfax, LLC |
| Delaware |
Clean Harbors Deer Park, L.P. |
| Delaware |
Clean Harbors Deer Trail, LLC |
| Delaware |
Clean Harbors Development, LLC |
| Delaware |
Clean Harbors Disposal Services, Inc. |
| Delaware |
Clean Harbors El Dorado, LLC |
| Delaware |
Clean Harbors Environmental Services, Inc. |
| Massachusetts |
Clean Harbors Financial Services Company |
| Massachusetts |
Clean Harbors Florida, LLC |
| Delaware |
Clean Harbors Grassy Mountain, LLC |
| Delaware |
Clean Harbors Industrial Services Canada, Inc.* |
| Alberta |
Clean Harbors Kansas, LLC |
| Delaware |
Clean Harbors Kingston Facility Corporation |
| Massachusetts |
Clean Harbors LaPorte, L.P. |
| Delaware |
Clean Harbors Laurel, LLC |
| Delaware |
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 of Natick, Inc. |
| Massachusetts |
Clean Harbors of Texas, LLC |
| Delaware |
Clean Harbors Pecatonica, LLC |
| Delaware |
Clean Harbors PPM, LLC |
| Delaware |
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 |
Denman Industrial Operating Limited Partnership* |
| Alberta |
Denman Industrial Trailers Ltd.* |
| Alberta |
Disposal Properties, LLC |
| Delaware |
Envirosort Inc. |
| Alberta |
Eveready Directional Boring Ltd.* |
| Alberta |
Eveready Directional Boring Limited Partnership* |
| Alberta |
Eveready Energy Services Corp.* |
| Alberta |
Eveready Energy Services, Inc.* |
| Nevada |
Eveready Holdings (USA) Inc.* |
| Nevada |
Eveready Holdings GP Ltd.* |
| Alberta |
Eveready Holdings Limited Partnership* |
| Alberta |
Eveready Income Fund* |
| Alberta |
Eveready Income Trust* |
| Alberta |
Eveready Energy Western Ltd.* |
| Alberta |
Eveready Operating Limited Partnership* |
| Alberta |
Great Lakes Carbon Treatment, Inc.* |
| Michigan |
GSX Disposal, LLC |
| Delaware |
Harbor Industrial Services Texas, L.P. |
| Delaware |
Harbor Management Consultants, Inc. |
| Massachusetts |
Hilliard Disposal, LLC |
| Delaware |
Ice Do Brasil Ltda.* |
| Bahia |
JL Filtration Inc.* |
| Alberta |
JL Filtration Operating Limited Partnership* |
| Alberta |
Mobile Industrial Health Services Ltd.* |
| Alberta |
Murphy’s Waste Oil Service, Inc. |
| Massachusetts |
Pembina Area Landfill LP* |
| Alberta |
Pembina Area Landfill Ltd.* |
| Alberta |
Plaquemine Remediation Services, LLC |
| Delaware |
River Valley Energy Services Inc.* |
| Nevada |
River Valley Energy Services Ltd.* |
| Alberta |
River Valley Operating Limited Partnership* |
| Alberta |
Roebuck Disposal, LLC |
| Delaware |
Safety Watch, LLC* |
| Texas |
Sawyer Disposal Services, LLC |
| Delaware |
Service Chemical, LLC |
| Delaware |
Spring Grove Resource Recovery, Inc. |
| Delaware |
Tri-vax Enterprises Ltd.* |
| Alberta |
Tulsa Disposal, LLC |
| Delaware |
Winterhawk Enterprises (Provost) Ltd.* |
| Alberta |
*Foreign entity or subsidiary of foreign entity