<SEC-DOCUMENT>0000890564-18-000008-index.html : 20180201
<SEC-HEADER>0000890564-18-000008.hdr.sgml : 20180201
<ACCEPTANCE-DATETIME>20180131213706
ACCESSION NUMBER:		0000890564-18-000008
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180131
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180201
DATE AS OF CHANGE:		20180131

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:		18564488

	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-k_ecsxacquisition.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a8-k_ecsxacquisition.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>purchaseagreement1.htm
<DESCRIPTION>EXHIBIT 2.1
<TEXT>
Document 2 - file: purchaseagreement1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>exhibit991ecs_acquisition.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 3 - file: exhibit991ecs_acquisition.htm

</DOCUMENT>
</SEC-DOCUMENT>