Questions?

You can contact the IAM Benefit Trust Fund Office directly to get more information about the plan.

  • Phone: 800-457-3481 (participants); 202-785-8148 (others). Our phones are open Monday through Friday, 9:00 a.m. to 7:00 p.m. Eastern Time.
  • Mail: IAM National Benefit Trust Fund, 99M St. SE, Suite 600, Washington, DC 20003-3799
  • E-mail: Click Here