The Fastenal Co. of Winona, MN, (Nasdaq: FAST), No. 7 on MDM's list of top industrial distributors, reported sales for May of $289.4 million, up 5.3 percent over May 2012.
Daily sales averaged $13.1 million, also an increase of 5.3 percent over a year ago.
Sales were below analyst estimates of 8 percent for the month, according to an update from William Blair, the fifth miss in a row for Fastenal.
During the month, sales to manufacturing customers grew 5.3 percent and non-residential construction customers contracted 0.2 percent.
Fastenal opened five stores in May, bringing total store count to 2,665. Employee count was essentially flat for the month.