COMFORT SYSTEMS BACKLOG NEARLY DOUBLES TO $17.8 BILLION

Comfort Systems USA's backlog reached $17.81 billion at the end of September, up from $9.38 billion a year earlier, according to the mechanical and electrical contractor's third-quarter filing. Revenue climbed to $3.77 billion from $2.45 billion, and net income nearly doubled to $489 million. The company ($FIX) also generated $1.01 billion in operating cash flow during the quarter, almost triple the $553 million it posted a year ago.