HFIAW
The International Association of Heat and Frost Insulators and Allied Workers (HFIAW or Insulators) is a trade union in the United States and Canada.
HFIAW is affiliated with the Metal Trades Department, the AFL-CIO and the Canadian Labour Congress and represents nearly 30,000 craftsmen in a series of construction trades.
Contact the HFIAW
9602 Martin Luther King Jr Hwy,
Lanham, MD 20706
(301) 731-9101
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