Clockwork Home Services has reported that its companies: One Hour Air Conditioning & Heating® Franchising, Benjamin Franklin Plumbing® Franchising, and Mister Sparky® Franchising — are currently recognized in the January 2010 issue of Entrepreneur Magazine’s 31st Annual Franchise 500 ranking.

Benjamin Franklin Plumbing Franchising is ranked #143; One Hour Air Conditioning & Heating and Mister Sparky® Franchising ranked #171 and #398 respectively. One Hour Heating and Air Conditioning took the #1 spot in the HVAC category.

“We're thrilled to be recognized on the Entrepreneur’s Franchise 500 list, which is considered the world’s best and most comprehensive franchise ranking,” says Denise Swafford, vice president of innovation for Clockwork Home Services, Inc. “We take great pride in our pursuit of excellence. This is a significant recognition that will help propel us forward while improving the value we deliver to contractors in the home services industry.”

Enterpenuer Magazines compiles its list based on companies’ financial strength and stability, growth rate and size of the franchise system.