Photo illustration by Kiera Westphal. CDW Corp. volunteers help build a wall for a home in Khao Lak, Thailand, an area hit especially hard by the December tsunami. Photo courtesy of CDW. Workers from CDW Corp. install a septic tank for a home in Khao Lak, Thailand. Nine employees were picked by raffle to go for two weeks as part of a Habitat for Humanity project. Photo courtesy of CDW.