Efficiency Experts by Scott DeCarlo @FortuneMagazine November 13, 2014, 7:01 AM EST E-mail Tweet Facebook Google Plus Linkedin Share icons Productivity is at an all-time high for the Fortune 500, generating an average of $1.2 million in annual revenue for every employee. Energy, wholesalers, and financial firms are leading the way, bringing in large amounts of revenue from relatively small payrolls. On the tail end? No surprise here: Companies in the restaurant and retailing sectors still sweat out every dollar in sales. —Scott DeCarlo Source: FACTSET Research Systems This story is from the December 1, 2014 issue of Fortune.