0000792987-08-000017 10-Q 4 20080512 20080512 20080512 ASTEC INDUSTRIES INC 0000792987 3531 620873631 TN 0726 10-Q 34 001-11595 08820823 1725 SHEPHERD ROAD CHATTANOOGA TN 37421 4238995898 1725 SHEPHERD ROAD CHATTANOOGA TN 37421 10-Q 1 f10q-033108.htm 10-Q MARCH 31, 2008 EX-31.1 2 exhibit31-1.htm CERTIFICATION EX-31.2 3 exhibit31-2.htm CERTIFICATION EX-32 4 exhibit32.htm CERTIFICATION