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

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: