Contractor Opportunities

The Port of Whitman County is pleased to work with qualified contractors. They help us carry out our mission of driving economic growth and improving quality of life across Whitman County. From small public works to major industrial construction, all current contractor opportunities at the Port will be posted here.

Please click the associated tabs below for information regarding current opportunities and to register for our rosters. Only bids/proposals from contractors and consultants who are currently on the Municipal Research and Services Center of Washington (MRSC) Rosters will be accepted. In addition, responsible bidders, as defined in in RCW 39.04.010 and 39.04.350, must meet a number of mandatory criteria. MRSC maintains a current list of Responsible Bidder criteria. The Port may adopt additional relevant responsible bidder criteria for individual projects. If you have any questions regarding the Port’s procurement process, please contact us at 509-397-3791 or by email.


The Port does not maintain vendor rosters for materials, supplies, equipment and purchased services. We may make purchases through the open market, cooperative purchasing contracts or formal advertised solicitations.


Used by the Port for construction, building, renovation, remodeling, alteration, repair or improvement of real property as referenced in RCW 39.04.155. Specifically, the Port uses the Small Works Roster for small (under $300,000) public works projects such as landscaping services, snow removal, sweeping parking lots and streets, maintenance and repair, tree trimming and removal, fiber optic cable installation and repair, document scanning and microfilming, and other projects.

Projects with estimated costs exceeding $300,000 require a formal bid process. Bids are advertised in the Whitman County Gazette and other regional newspapers and publications.


Used by the Port for architecture, engineering, and surveying services as referenced in RCW 39.80, as well as other professional services such as design, planning, management, real estate, financial, legal, communications, environmental, IT, and personnel consulting. Specifically, the Port uses consultant services for small and mid-sized projects such as park enhancements and/or expansions, industrial park development, building design, site upgrades and other projects.

Roster Registration

Note: Even if you have been on the Port's rosters in the past, you will need to register with MRSC to be considered for any future bid opportunities.

The Port’s Rosters are hosted by the non-profit Municipal Research and Services Center of Washington (MRSC) in the online MRSC Rosters database. More information can be found at MRSC Rosters.

  1. Visit MRSC Rosters Business Membership
  2. Select or Scroll to Create Your Account
  3. Create a FREE account and select Port of Whitman County in your application

For registration questions, please contact MRSC Rosters at or 206-436-3798.


In accordance with apprenticeship utilization requirements in RCW 39.04.310 – RCW 39.04.320, it is required that 15 percent (15%) of the labor hours on public work projects with estimated contracts of $2 million or more be performed by apprentices registered in a state-approved training program. Bidders must include these requirements in all subcontracts of any tier on projects. On July 1, 2026, contracts over $1.5 million must follow these regulations; in 2028, contracts over $1 million are also included.

Additional Information and forms will be posted soon.