    <SEC-DOCUMENT>0001213900-17-002920-index.html : 20170328
    <SEC-HEADER>0001213900-17-002920.hdr.sgml : 20170328
    <ACCEPTANCE-DATETIME>20170328164113
    ACCESSION NUMBER:		0001213900-17-002920
    CONFORMED SUBMISSION TYPE:	PRER14A
    PUBLIC DOCUMENT COUNT:		24
    FILED AS OF DATE:		20170328
    DATE AS OF CHANGE:		20170328

    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:		PRER14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13429
    		FILM NUMBER:		17719487

    	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>PRER14A
    <SEQUENCE>1
    <FILENAME>prer14a0317_simpsonman.htm
    <DESCRIPTION>PRELIMINARY REVISED PROXY STATEMENT
    <TEXT>
    Document 1 - file: prer14a0317_simpsonman.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: image001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: image002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: image003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: image004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: image005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: image006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: image007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>image008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: image008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>image009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: image009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>image010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: image010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>image011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: image011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>image012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: image012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>image013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: image013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>image014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: image014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>image015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: image015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>image016.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: image016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>image017.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: image017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>image018.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: image018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>image019.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: image019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>image020.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: image020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>image021.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: image021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>image022.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: image022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>image023.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: image023.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>