Jupiter Media Metrix

Jupiter Media Metrix  is a global leader in Internet and new technology analysis and measurement. The Company delivers innovative and comprehensive Internet measurement, analysis and events to provide businesses with unmatched global resources for understanding and profiting from the Internet.

Gartner

With more than 20 years experience identifying and analyzing the trends and technologies that have shaped the course of business, Gartner, Inc. provides unrivaled thought leadership and strategic consulting services to more than 11,000 organizations worldwide

Forrester

Forrester is a leading independent research firm that analyzes the future of technology change and its impact on businesses, consumers, and society

ACNielsen

ACNielsen is the world's leading provider of market research, information and analysis to the consumer products and services industries. More than 9,000 clients in more than 100 countries rely on ACNielsen's dedicated professionals to measure competitive marketplace dynamics, to understand consumer attitudes and behavior, and to develop advanced analytical insights that generate increased sales and profits.

eMarketer is the world's leading provider of internet and e-business statistics. Its reports combine original analysis with aggregated numbers from leading sources worldwide. eMarketer's award-winning website has been visited by millions of online professionals from over 140 countries; its newsletters are sent to over 350,000 e-mail addresses every week.

Giga Information Group provides objective research, pragmatic advice and personalized consulting. Emphasizing close interaction between analyst and client, Giga enables companies to maximize technology investments and achieve business results

ActivMedia Research LLC, a division of ActivMedia, Inc., conducts custom and syndicated research for clients worldwide to guide businesses to profitable online positions. ActivMedia reports are the first ever to quantitatively study Internet commerce among website executives and business managers. ActivMedia details global 'Net trends and sector slices.