Chattanooga First Federal Credit Union started out small with the sole ambition of serving employees of U.S. Pipe and Foundry and their families. Over time, we've expanded our membership base to others and now offer a comprehensive range of credit union services. Learn more about our history below. A rich history in serving the local community in Chattanooga U.S. Pipe (Chattanooga) Federal Credit Union was chartered in November 7, 1961 for the purpose of serving the employees of U.S. Pipe and Foundry who work in Chattanooga, Tennessee, employees of the credit union, and the members of their immediate families.