Idaho Operating Engineers Pension Trust Fund was established to provide retirement benefits for their eligible members and their dependents through the collective bargaining process.

This site provides general benefit information, forms and other Trust related items.

This site covers the Idaho Operating Engineers Pension Trust Fund.

For information on any of the following Trusts, click here. 

  • Washington-Idaho Operating Engineers Employers Health & Security Trust Fund
  • Engineers-AGC Retirement Trust of the Inland Empire
  • Western States Operating Engineers Institute of Training Apprenticeship & Training Trust

Alternatively, you can navigate to the Idaho Operating Engineers Pension Trust Fund by clicking “WA-ID Operating Engineers” at the top right of the page.

Update Regarding COVID-19 Outbreak

Due to the COVID-19 outbreak and in the interest of keeping the community and our staff as safe and healthy as possible, all WPAS offices (Mercer Island, Gladstone, Anchorage, Spokane) will be closed for walk-in services effective March 17, 2020.  WPAS will only be conducting business via phone, email, or fax.  If you need to bring documentation or information to the office, there are drop boxes available at each of our office locations.  Contact information can be found here.


Effective January 1, 2019, Welfare & Pension Administration Service, Inc. (WPAS) has been selected as the new Administrator for the Idaho Operating Engineers-Employers Pension Plan (the “Plan”). WPAS will assume responsibility for processing contributions and reconciling payments among other duties determined by the Board of Trustees. All participants covered by the Funds have been notified of the change in administration offices.