Exhibit 21.1

LIST OF SUBSIDIARIES

	Jurisdiction of Formation	Doing Business As
American Reprographics Company, L.L.C.	California	American Draftsource
		ARC
		ARC — Central
		ARC — Mesa
		ARC — Pacific
		ARC — Pacific Northwest
		ARC — Western
		ARC Digital Imaging
		ARC Imaging Resources
		ARC Socal - North
		Blair Graphics
		Blue Print Service Company
		Blueprints Plus
		BPS Reprographics
		Brownie’s Digital Imaging
		Central Valley Reprographics
		City Digital Imaging
		Consolidated Reprographics
		Dieterich — Post
		Digital Reprographics
		Elite Reprographics
		FDC Digital Imaging Solutions
		Ford Graphics
		Ford Graphics Seattle
		Hudson Reprographics
		IDM Group
		Independent Printing Company
		InPrint
		Kestrel Blueprint Company
		KV Blueprint
		Mercury — LDO
		Micro Device
		Mossner
		Mossner IDM
		OCB
		Olympic Reprographics
		Peninsula Digital
		Peninsula Digital Imaging
		Pikes Peak Reprographics
		Reliable Graphics
		Repro Northwest
		Reprographics Northwest
		Riot Creative Imaging
		San Jose Blue
		SBD Reprographics
		Scottblue Reprographics
		Stockton Blue
		Stockton Blueprint and Supply Company
		SubHub
		Superior Reprographics
		Tacoma Reprographics
		The Blue Print Company
		The PEiR Group
		Wray’s Enterprises
American Reprographics Company India Private Limited	India
ARC — UK Technologies Limited	United Kingdom
ARC Acquisition Corporation	California
ARC Digital Canada Corp.	British Columbia	ARC
ARC Document Solutions Australia Pty Limited	Australia
ARC Reprographics Canada Corp	British Columbia
ARC Reprographics Hong Kong, Limited	Hong Kong
ARC Technology Bermuda, Ltd.	Bermuda
BPI Repro, LLC	California	ARC
		ARC — Pennsylvania
		BP Independent
		Riot Creative Imaging

	Jurisdiction of Formation	Doing Business As
ERS Digital, Inc.	Minnesota	ARC
		ARC — Central
		ARC — Mesa
		ARC Document Solutions
		ARC Imaging Resources
		Atlas Blueprint
		Dayton Blue Print Company
		DBS Engineering Repro Systems
		Detroit Reprographics
		Dunn Blue Print Company
		eBlueprint
		Gwyer Reprographics
		Letter Perfect Design
		Queen City Reprographics
		Resource Imaging Supply
		Riot Creative Imaging
		RK Digital
		Veenestra
		Wagner Repro & Supply
Henan UNIS Waytron Document Technology Co., Ltd.	People’s Republic of China
Licensing Services International, LLC	California
Mirror Plus Technologies, Inc.	California	ARC
Planwell, LLC	California	Planwell Licensing
		Planwell Professional Services
Reprografia Digital de Mexico, S.A. de C.V.	Mexico
Reprographics Fort Worth, Inc.	Delaware
Reprographics Northwest, LLC	California	ARC
		ARC — Pacific Northwest
		Blueprints Plus
		Ford Graphics
		Ford Graphics Seattle
		Kestrel Blueprint Company
		Micro Device
		Repro Northwest
		Riot Creative Imaging
		Superior Reprographics
		Tacoma Reprographics

	Jurisdiction of Formation	Doing Business As
Ridgway’s, LLC	Texas	A&E Supply Company
		A-C Reproduction Company
		A-Plus Digital Reprographics
		AEC Systems
		American Reprographics Southeast
		ARC
		ARC — Eastern
		ARC — FL
		ARC — Florida
		ARC — LA Gulf Coast
		ARC — Pacific Northwest
		ARC — Southern
		ARC — MA
		ARC — Maryland
		ARC — Oklahoma Central
		ARC — Texas
		ARC BIM Services Group
		ARC Document Solutions
		Blueprints Plus
		Crest Graphics
		Ford Graphics
		Ford Graphics Seattle
		Georgia Blue
		Imaging Technologies Services
		IT Plus Technologies
		Kansas Blue print
		Kestrel Blueprint Company
		Mathias Reprographics
		MBC Precision Imaging
		Metro Digital Imaging
		Micro Device
		Mix Imaging
		NGI
		NGI Digital
		NPI Digital
		Orlando Reprographics
		Pennsylvania Ridgway’s. LLC
		Rapid Blueprint Supply Co.
		RCMS
		RCMS Group
		Repro Northwest
		Reprographics Arlington
		Reprographics Dallas
		Reprographics Fort Worth
		Reprographics Roanoke
		Rhode Island Blueprint
		Ridgway’s Best Digital
		Ridgway’s Digital Imaging of Destin
		Ridgway’s IL, LLC
		Ridgway’s MD, LLC
		Ridgway’s NY, LLC
		Riot Creative Imaging
		Riot Creative Imaging
		StratoGrafix
		Superior Reprographics
		Tacoma Reprographics
		Tampa Reprographics
		Torrence Document Service
		T-Square Express
		University Imaging
		Western Blue Print Company
Shanghai UNIS Printing Technology Co., Ltd.	People’s Republic of China
Shenzhen UNIS – Printing Document Solutions Co., Ltd.
UNIS Document Solutions Co., Ltd.	People’s Republic of China