80 deals that are reshaping the market

We roundup all the IT and systems integration deals that closed in the government market during 2015.

Click here for our picks of the top deals of the year.

Our annual M&A round was compiled for Washington Technology by the investment bank Houlihan Lokey.

Close Date	Buyer	Seller	Gross Purchase Price (millions)
1/1/2015	NCI	Computech	$56.0
1/2/2015	CENTRA Technology Inc.	TATE	N/A
1/9/2015	RGS Associates	Cerebral Solutions	N/A
1/12/2015	RLJ Equity Partners	Phase One Consulting	N/A
1/13/2015	Compusearch	TopVue Defense	N/A
1/16/2015	PAE	Global Security and Solutions business, USIS divestiture	N/A
1/16/2015	KEYW	Milestone Intelligence Group	N/A
1/26/2015	Raytheon	Sensintel	N/A
1/26/2015	CAE Inc.	Military Aviation Training business, Bombardier divestiture	$14.2
1/27/2015	GCR	Quest Information Systems	N/A
1/30/2015	HII, (formerly Huntington Ingalls Industries)	Undersea Solutions, The Columbia Group divestiture	N/A
2/2/2015	Millstein & Company	DLT Solutions	N/A
2/11/2015	ABT ASSOCIATES	Stratus Consulting	N/A
2/24/2015	iNovex Information Systems	Mercury Intelligence Systems, Mercury Systems divestiture	N/A
2/25/2015	Navient Corporation	Gila	$190.0
2/25/2015	Computer Sciences Corp.	Autonomic Resources	N/A
2/26/2015	Engility Corp.	TASC	$1,300.0
2/27/2015	LookingGlass Cyber Solutions	Cloudshield, Leidos divestiture	N/A
3/2/2015	Kenjya Group	Trusant Technologies	N/A
3/13/2015	KEYW	Ponte Technologies (PonteTec)	N/A
3/25/2015	ACCENTURE FEDERAL SERVICES	Agilex Technologies	N/A
3/31/2015	Arrow Electronics	immixGroup	N/A
3/31/2015	G Force	Tri Star Engineering	N/A
4/1/2015	Maximus Federal Services	Acentia	$300.0
4/1/2015	Motorola Solutions	Public Engines	N/A
4/1/2015	CACI INTERNATIONAL	LTC Engineering Associates	N/A
4/1/2015	Centerra Group	Gregg Protection Services	N/A
4/2/2015	LexisNexis Risk Solutions	BAIR Analytics	N/A
4/8/2015	SRA International	Select Federal Services Assets, Qbase divestiture	N/A
4/9/2015	Lindsay Goldberg	ECS Federal	N/A
4/10/2015	Assured Information Security	Information Security Solutions	N/A
4/10/2015	Boeing	2d3 Sensing	$25 million
4/23/2015	Sierra Nevada Corporation	Kutta Technologies	N/A
4/23/2015	T.Y. Lin International	Lindbergh & Associates (L&A), O’Brien & Gere divestiture	N/A
4/27/2015	ManTech	Welkin Associates, CSC divestiture	$34.0
4/27/2015	ECS Federal	Information Systems Worldwide Corporation (i_SW)	N/A
5/1/2015	Xator Corporation	Sage Management Enterprises	N/A
5/4/2015	SAIC	Scitor Corporation	$790.0
5/5/2015	Information Innovators Inc.	Creative Computing Solutions	N/A
5/7/2015	Constellis Group	Olive Group	N/A
5/29/2015	Harris Corporation	Exelis	N/A
6/1/2015	Tyler Technologies	Brazos Technology Corporation	$10.0
6/1/2015	Ultra Electronics	Electronic Warfare division, Kratos divestiture	N/A
6/5/2015	Subsentio	Selected Assets, Neustar divestiture	N/A
6/5/2015	World Wide Technology	Asynchrony, Schafer divestiture	N/A
6/14/2015	ManTech	NA	N/A
7/1/2015	Palladium	Development & Training Services (dTS)	N/A
7/1/2015	ECS Federal	System Planning Corporation	N/A
7/7/2015	IMPAQ	Educational Services Inc. (ESI)	N/A
7/13/2015	Radiant Group	HumanGeo	N/A
7/13/2015	DELOITTE	Compliance Implementation Services	N/A
7/24/2015	Veritas Capital	Alion	N/A
8/8/2015	Cambridge Communication Systems Inc.	Ability Computers & Software Industries	$192.0
8/17/2015	Data Systems Analysts (DSA)	Federal IT Assets, Symbolic Systems divestiture	N/A
8/18/2015	MicroPact Engineering Inc.	Iron Data	N/A
8/18/2015	AMERICAN SYSTEMS CORP.	EMBH	N/A
8/31/2015	Calibre	Health & Defense IT Consulting business, IMC divestiture	N/A
9/15/2015	Salient	CRGT	N/A
9/18/2015	APPLIED RESEARCH ASSOCIATES, INC	DTRA Contract from Engility	N/A
9/22/2015	GardaWorld	Aegis Group	N/A
9/23/2015	RGS Associates	Software Theoretic Corporation (STC)	N/A
9/24/2015	Suntiva LLC	Select Contracts, Professional Resources Inc. (PRI) divestiture	N/A
10/1/2015	LGS Innovations	Axios	N/A
10/1/2015	Versar Inc.	Johnson Controls Security Systems (JCSS)	$20.0
10/5/2015	Raytheon	Foreground Security	N/A
10/6/2015	Chickasaw Nation Industries	Corvid Technologies	N/A
10/13/2015	L-3 Communications	ForceX	$60.0
10/16/2015	The Carlyle Group	Novetta Solutions	N/A
10/30/2015	Preferred Systems Solutions (PSS)	GSM Consulting	N/A
11/2/2015	BOOZ ALLEN HAMILTON	Software services business from SPARC	N/A
11/3/2015	ADS Tactical	Theodor Wille Intertrade	N/A
11/5/2015	IAP Worldwide Services	Tactical Communications & Network Solutions (TCNS), DRS Technologies divestiture	N/A
11/11/2015	ASRC FEDERAL	Data Networks Corporation (DNC)	N/A
11/25/2015	Global Defense & National Security Solutions	STG	$165.6
11/30/2015	Computer Sciences Corp. public sector	SRA International	$1,390.0
12/1/2015	A4 Solutions (now known as Metova Federal Services)	Cyber Simulation Technology business, Camber divestiture	N/A
12/1/2015	PlanetRisk	iMapData	N/A
12/11/2015	LookingGlass Cyber Solutions	Cyveillance, QinetiQ divestiture	$35.0
12/16/2015	Mercury Systems	Lewis Innovative Technologies (LIT)	N/A
12/21/2015	CUBIC CORP.	TeraLogics	$39.0