Below are the three companies in the Environmental & Facilities Services industry with the lowest operating margins. A healthy operating margin is required for a company to pay for its fixed costs and generate cash.

Hudson Technologies ranks lowest with a an operating margin of 0.1%. Following is EnergySolutions with a an operating margin of 1.2%. ABM Industries ranks third lowest with a an operating margin of 3.8%.

Metalico follows with a an operating margin of 3.9%, and TRC Cos rounds out the bottom five with a an operating margin of 3.9%.

SmarTrend recommended that subscribers consider buying shares of TRC Cos on October 17th, 2011 as our technology indicated a new Uptrend was in progress when shares hit $3.72. Since that recommendation, shares of TRC Cos have risen 19.2%. We continue to monitor TRC Cos for any potential shift so investors can protect gains and will alert SmarTrend subscribers immediately.