<SEC-DOCUMENT>0000920371-18-000109-index.html : 20180504
<SEC-HEADER>0000920371-18-000109.hdr.sgml : 20180504
<ACCEPTANCE-DATETIME>20180504161843
ACCESSION NUMBER:		0000920371-18-000109
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		1
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20171231
</ITEM>
</RULE>
FILED AS OF DATE:		20180504
DATE AS OF CHANGE:		20180504

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13429
		FILM NUMBER:		18808183

	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>SD
<SEQUENCE>1
<FILENAME>conflictminerals2017.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: conflictminerals2017.htm

</DOCUMENT>
</SEC-DOCUMENT>