The Standard & Poor's 500 Index ($INX) is up year to date, but not all of its members have fared as well. Among the benchmark's biggest losers as of Nov. 30 were struggling commodities companies, an unloved chip-maker and also-ran retailers.

GreenHouse Holdings, Inc. (OTCQB:GRHU) is a San Diego, California based integrator of some of the world’s most innovative environmental, public safety, infrastructure technologies.