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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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 wKCcHcTFLLQOboKcKM9nYw==

<SEC-DOCUMENT>0001144204-10-004870.txt : 20100510
<SEC-HEADER>0001144204-10-004870.hdr.sgml : 20100510
<ACCEPTANCE-DATETIME>20100202133033
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001144204-10-004870
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100202

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATS CORP
		CENTRAL INDEX KEY:			0001325460
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				113747950
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		7925 JONES BRANCH DRIVE
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102
		BUSINESS PHONE:		571-766-2400

	MAIL ADDRESS:	
		STREET 1:		7925 JONES BRANCH DRIVE
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Federal Services Acquisition CORP
		DATE OF NAME CHANGE:	20050429
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
</DOCUMENT>
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