<SEC-DOCUMENT>0000890564-18-000011-index.html : 20180205
<SEC-HEADER>0000890564-18-000011.hdr.sgml : 20180205
<ACCEPTANCE-DATETIME>20180205172526
ACCESSION NUMBER:		0000890564-18-000011
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20180205
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180205
DATE AS OF CHANGE:		20180205

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ON ASSIGNMENT INC
		CENTRAL INDEX KEY:			0000890564
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		IRS NUMBER:				954023433
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35636
		FILM NUMBER:		18575281

	BUSINESS ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301
		BUSINESS PHONE:		8188787900

	MAIL ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a8-kecs.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a8-kecs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit991ecsfederal.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: exhibit991ecsfederal.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>exhibit992inforeliance.htm
<DESCRIPTION>EXHIBIT 99.2
<TEXT>
Document 3 - file: exhibit992inforeliance.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>ecsimage1.jpg
<TEXT>
Document 4 - file: ecsimage1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>ecsimage2.jpg
<TEXT>
Document 5 - file: ecsimage2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ecsimage3.jpg
<TEXT>
Document 6 - file: ecsimage3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>irimage2.jpg
<TEXT>
Document 7 - file: irimage2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>signature_dhg.gif
<TEXT>
Document 8 - file: signature_dhg.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>signaturea01.jpg
<TEXT>
Document 9 - file: signaturea01.jpg

</DOCUMENT>
</SEC-DOCUMENT>