In 2007, there were 27.1M nonfarm U.S. businesses, employing 117.3M persons and generating $30.0T in business revenues. Firms with paid employees accounted for 5.7M or 21.2% of these businesses & $29.1 trillion or 96.8% in receipts. Firms w/o employees accounted for 21.4M or 78.8% of these businesses and $972.7 billion or 3.2% in receipts.