0001104659-06-013856 10-K 5 20051231 20060303 20060303 SIMPSON MANUFACTURING CO INC /CA/ 0000920371 3420 943196943 DE 1231 10-K 34 001-13429 06663362 4120 DUBLILN BLVD STE 400 DUBLIN CA 94568 9255609000 4120 DUBLIN BLVD STE 400 DUBLIN CA 94568 10-K 1 a06-1955_110k.htm ANNUAL REPORT PURSUANT TO SECTION 13 AND 15(D) EX-21 2 a06-1955_1ex21.htm SUBSIDIARIES OF THE REGISTRANT EX-23 3 a06-1955_1ex23.htm CONSENTS OF EXPERTS AND COUNSEL EX-31 4 a06-1955_1ex31.htm 302 CERTIFICATION EX-32 5 a06-1955_1ex32.htm 906 CERTIFICATION