The Fastenal Company(Nasdaq: FAST), Winona, MN, reported sales for May of $313.5 million, an increase of 8.3 percent from the previous year. Daily sales increased 13.5 percent to an average of $14.9 million.During the month, sales to manufacturing customers grew 12.9 percent, while sales to nonresidential construction customers grew 8.4 percent.

Three new stores opened in the month and employee headcount increased 15.9 percent year-over-year to 17,976.