<SEC-DOCUMENT>0001213900-17-000794-index.html : 20170131
<SEC-HEADER>0001213900-17-000794.hdr.sgml : 20170131
<ACCEPTANCE-DATETIME>20170131062603
ACCESSION NUMBER:		0001213900-17-000794
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20170131
DATE AS OF CHANGE:		20170131
EFFECTIVENESS DATE:		20170131

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMPSON MANUFACTURING CO INC /CA/
		CENTRAL INDEX KEY:			0000920371
		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
		IRS NUMBER:				943196943
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13429
		FILM NUMBER:		17559335

	BUSINESS ADDRESS:	
		STREET 1:		5956 W LAS POSITAS BLVD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
		BUSINESS PHONE:		9255609000

	MAIL ADDRESS:	
		STREET 1:		5956 W LAS POSITAS BLVD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>f8k013017_simpsonmanu.htm
<DESCRIPTION>CURRENT REPORT
<TEXT>
Document 1 - file: f8k013017_simpsonmanu.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>f8k013017ex99i_simpson.htm
<DESCRIPTION>PRESS RELEASE DATED JANUARY 31, 2017
<TEXT>
Document 2 - file: f8k013017ex99i_simpson.htm

</DOCUMENT>
</SEC-DOCUMENT>