Operating Engineers Pension Trust is a multi-employer defined benefit union pension fund based in Pasadena, California. Established in 1960, the fund administers employee benefit programs for members of the International Union of Operating Engineers (I.U.O.E.), Local 12, and participating employers and their dependents and beneficiaries. The assets of the pension fund are managed by a joint board of trustees representing labor and management, equally comprised of union and employer appointed representatives.