I.A.T.S.E. Local No. 33 Pension Trust Fund is a multi-employer defined benefit union pension fund based in Los Angeles, California. Established in1965, the fund is a welfare benefit plan which provides medical, prescription, vision, dental and dismemberment benefits to the eligible participants under the collective bargaining agreement of I.A.T.S.E. Local Union 33. The assets are managed by the Board of Trustees.