BayAreasMacNa.org
About BayAreasMacNa.org
Bay Area SMACNA represents over 225 union sheet metal and air conditioning contractors in the seventeen Northern California counties of Alameda, Contra Costa, Del Norte, Humboldt, Lake, Marin, Mendocino, Monterey, Napa, San Benito, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano, Sonoma, and Trinity.