Zoning control products manufacturer Jackson Systems, LLC, Indianapolis, IN, earned the rank of 4,007 on the 2009 Inc. 5000, which celebrates the fastest-growing private companies in America.

“We're pleased to receive this recognition for the second year in a row,” says Tom Jackson, CEO.”

Jackson Systems received a 2008 HVAC Comfortech Product Showcase Award for the Green Zone™ zoning control panel.

Companies in the Inc. 5000 are ranked according to percentage revenue growth over a four-year period.