0001104659-06-031610 10-Q 3 20060331 20060505 20060505 SIMPSON MANUFACTURING CO INC /CA/ 0000920371 3420 943196943 DE 1231 10-Q 34 001-13429 06813558 4120 DUBLILN BLVD STE 400 DUBLIN CA 94568 9255609000 4120 DUBLIN BLVD STE 400 DUBLIN CA 94568 10-Q 1 a06-9324_110q.htm QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) EX-31 2 a06-9324_1ex31.htm EX-31 EX-32 3 a06-9324_1ex32.htm EX-32