Subsidiary Name

State of Formation

American Ecology Environmental Services Corporation

Texas Corporation

US Ecology Houston, Inc.

Delaware Corporation

Stablex Canada Inc.

Canadian Federal Corporation

US Ecology Michigan, Inc.

Michigan Corporation

US Ecology Thermal Services, Inc.

Delaware Corporation

US Ecology Idaho, Inc.

Delaware Corporation

US Ecology Illinois, Inc.

California Corporation

US Ecology Nevada, Inc.

Delaware Corporation

US Ecology Stablex Holdings, Inc.

Delaware Corporation

US Ecology Canada Holdings Inc.

Canadian Federal Corporation

Environmental Services Inc.

Ontario Corporation

US Ecology Texas, Inc.

Delaware Corporation

US Ecology Winnie, LLC

Delaware Corporation

US Ecology Transportation Solutions, Inc.

Delaware Corporation

US Ecology Washington, Inc.

Delaware Corporation

US Ecology Vernon, Inc.

Delaware Corporation

EQ Parent Company, Inc.

Delaware Corporation

EQ Holdings, Inc.

Delaware Corporation

Envirite Transportation, LLC

Ohio Limited Liability Company

Envirite of Pennsylvania, Inc.

Delaware Corporation

Envirite of Illinois, Inc.

Delaware Corporation

Envirite of Ohio, Inc.

Delaware Corporation

EQ Augusta, Inc.

Michigan Corporation

US Ecology Sulligent, Inc.

Michigan Corporation

EQ Detroit, Inc.

Michigan Corporation

US Ecology Tulsa, Inc.

Michigan Corporation

EQ Industrial Services, Inc.

Michigan Corporation

US Ecology Tampa, Inc.

Michigan Corporation

US Ecology Livonia, Inc.

Michigan Corporation

EQ Mobile Recycling, Inc.

Michigan Corporation

EQ Northeast, Inc.

Massachusetts Corporation

US Ecology Romulus, Inc.

Michigan Corporation

Michigan Disposal, Inc.

Michigan Corporation

Wayne Disposal, Inc.

Michigan Corporation

Wayne Energy Recovery, Inc.

Michigan Corporation

EQ Metals Recovery, LLC

Ohio Limited Liability Company

US Ecology Taylor, Inc.

Michigan Corporation

RTF Romulus, LLC

Michigan Limited Liability Company

EQ de Mexico, Inc.

Mexican Corporation