Actuate Corporation		Acxiom Corporation
	The Advisory Board Company		Arbitron Inc.
	athenahealth, Inc.		ChoicePoint Inc.
	Cision		Clayton Holdings
	The Corporate Executive Board Company		CoStar Group
	CRA International		D&B
	DemandTec		Equifax
	Experian		FactSet Research Systems
	Fair Isaac Corporation		First Advantage Corporation
	Forrester Research		FTI Consulting
	Gartner		Gfk AG
	Greenfield Online		Harris Interactive
	Harte-Hanks		Health Grades
	HireRight		IHS
	IMS Health		Information Services Group
	infoUSA		Interactive Data Corp.
	inVentiv Health		Ipsos SA
	Kenexa Corporation		LECG Corporation
	MacDonald, Dettwiler & Associates		McGraw-Hill
	MedAssets		MEDecision
	Moody's Corporation		Morningstar
	MSCI Barra		National Research Corporation
	Navigant Consulting		Omniture
	Onvia		PROS Holdings
	Quality Systems		Reed Elsevier
	RiskMetrics Group		Salary.com
	salesforce.com		SuccessFactors
	T&F Informa plc		Thomson-Reuters
	TNS plc		Unica Corporation
	Vocus		Wolters Kluwer NV

Laird² Transaction Relationships

	BurrellesLuce		Current Analysis
	Federal Sources		GfK Arbor
	Greylock Partners		HIMSS Analytics
	Knowledge Networks		Luxury Link
	The NPD Group		Oak Investment Partners
	Ovum Ltd.		Pearson plc
	Platts (McGraw-Hill)		SNL Financial
	Statistical Research (Knowledge Networks)		StockVal
	Strategic Decisions Group		Summit Partners
	USAToday.com (Gannett)		Venrock Associates

Industry Associations

	The Advertising Research Foundation
	The Direct Marketing Association
	The Software and Information Industry Association