Snips - Contractor uses self-sealing spiral ductwork for Pentagon project: when Irvine, Calif.-based Southland Industries was named HVAC mechanical designer to...

Published on: Tue, 01 Jan 2008 08:00:00 GMT

January 1, 2008 -- Designated a National Historic Landmark in 1992, the 56-year-old facility had never undergone a major renovation, so calling this 20-year, $1.2... More »