How do i contact the iuoe? Contact IUOE. Please direct all official correspondence in letter form and addressed to: General President James T. Callahan, International Union of Operating Engineers, 1125 17th St., NW, Washington, DC 20036. Questions about work issues, dues, pensions, complaints, grievances and the like must be directed to the member's local union.How do i contact the international union of operating engineers? Contact Us. International Union of Operating Engineers Local Union No. 94, 94A, 94B and Affiliated Funds, AFL-CIO 331-337 West 44th Street New York, NY 10036.How do i contact iuoe local 955? You can contact IUOE Local 955 by email [email protected] , phone, or by visiting us in person. Our contact information is listed below. You can also send us a message using the contact form below.How do i contact iuoe local 115? IUOE Local 115 Head Office and District 1 (Lower Mainland): 4333 Ledger Avenue, Burnaby, B.C. V5G 3T3. Phone: 604-291-8831. Toll Free: 1-888-486-3115. Fax: 604-473-5235. E-mail: [email protected].