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Sources: Sentieo financial tool, comfortsystemsusa.com/, Comfort Systems USA annual reports, Comfort Systems USA investors site, Comfort Systems USA press releases
Data calculated as weighted average (based on shares outstanding) share price across the 18 companies that form part of the index

^{Data presented is based on currently publicly available information.  Such information is taken from various sources, and while believed to be reliable, is not independently verified by us, and accordingly, such information should not be relied upon. While this document has been prepared in good faith, it does not constitute a representation, warranty or undertaking, express or implied, with respect to the information and no responsibility or liability is accepted as to the accuracy, completeness or reasonableness of such information}