Sevenson Environmental - Portland, Oregon

Gresham Environmental Services - Gresham, Oregon

Aquarius Environmental - Portland, Oregon

PNG Environmental Inc - Portland, Oregon

Environmental Testing Associates - Portland, Oregon

Environmental Services - City of Portland - Portland, Oregon

Lil' Stinky Environ Services Inc - Canby, Oregon

Northwest Environmental Business - Lake Oswego, Oregon

Point Environmental LLC - Oregon City, Oregon

Advantage Environmental, Inc. - Vancouver, Washington