Contact Your Local Metal Trades Council Go back to directory. Add to Address Book. Hanford Atomic MTC Hanford Atomic MTC Contact: Jeffrey S. McDaniel Work 1305 Knight Street Richland WA 99352 work Work Phone: 509-946-0326work Work Fax: 509-943-5245workfax Biographical Info HAMTC is a labor organization composed of fifteen different unions working at Hanford. Each of these individual union affiliates represents a distinct group of craft employees at Hanford. HAMTC is the exclusive bargaining agent for these affiliates. Categories: Metal Trades Council Updated 1 month ago.