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Contracts & bidding opportunities

Learn how to become a state vendor and contract with Ecology.

We use many different types of goods and services to meet our mission.

At Ecology we:

  • Encourage wide participation by the business community in our contracting opportunities.
  • Publish all bidding opportunities through the Department of Enterprise Services (DES) bid notification system called WEBS.
  • Use state master contracts developed by DES whenever possible.

Benefits of registering in WEBS, and reminders

  • WEBS is free to use.
  • Anyone is eligible to register in WEBS and must do so to view bidding opportunity details.
  • WEBS will send you email notices of future bidding opportunities.
  • Make sure to keep your contact and commodity information current in WEBS.
  • You should set your email account to allow emails from webscustomerservice@des.wa.gov.

Supplier Diversity

Ecology supports DES Business Diversity and Office of Minority and Women's Business Enterprises (OMWBE) efforts to increase procurement with the following business groups:

Ecology might publish legal notices of bidding opportunities and sole source purchases in the following newspapers: