The following companies have registered for Digital Book 2009

Digital Book 2009 is now sold out and registration is closed. 

ABC-CLIO
Advanced Technology Libraries
Adobe
AHEAD
American Chemical Society
American Medical Association
American Planning Association
Andrews McMeel Publishing
Apex CoVantage
Aptara
Aspen Publishers
Association of American Publishers
Barnes & Noble
BCL NuMedia Ltd
BN.com
Booklight Inc.
BookNet Canada
Books24x7
BooksOnBoard
BookBusiness
Bowker
Cambridge University Press
casa do psicologo
Cengage Learning
Centennial College
Centre for Addictions and Mental Health
Concordia Publishing House
ContentKinetics
Contextual Connections LLC
Cornell University
Costco Wholesale
CPI
Crossway
Customer's Company
Daily Lit
DAISY Consortium
Datamatics Global Services Ltd.
Dearborn Real Estate Education
Digital Divide Data
Dolphin Computer Access
Dooen Books
Duke Law School
E-Reads
Easypress Technologies
ebrary
Éditions S / S Press LLC
Elsevier
Entourage Systems Inc.
Eureka Imaging Publications
Firebrand Technologies
Follett Digital Resources
ForeWord Magazine
Fortune Magazine
FrontPoint Partners
Google
Hachette Book Group
HARLEQUIN ENTERPRISES LTD.
Harvard Business School
Houghton Mifflin Harcourt
HOV SERVICES
IDPF

Impelsys
Informed Strategies
Ingram Digital Group
Innodata Isogen
ITOCHU Corporation
John Wiley & Sons Inc.
JOUVE
Kaplan Professional Education
Kaplan Publishing
Kinokuniya
Kreutzfeldt Electronic Publishing
LDJ Consulting
LEARN
Lexcycle LLC
LibreDigital
Live Ink
Lohas Traveler
Macmillan Publishing Solutions
Merriam-Webster Inc.
MobileRead
NACS
National Geographic Books
New York University
Nielsen Bookscan
NorthPoint Solutions
NY Times
OCLC
O'Reilly Media
OverDrive, Inc
Oxford University Press
Pearson
Pearson Education
Pearson Longman
Penguin Group (USA) INC.
Pinnacle Publishing Group
Presses de l'Université de Montréal
PRIME VIEW INTERNATION CO.LTD
Publishers Weekly
Publishing Dimensions
Publishing Trends
Quayle Publishing Consulting
R.R. Bowker
Random House USA
Random House UK
Samhain Publishing
Scholastic
Seton Hall University
Shortcovers
Smart Bitches Trashy Novels
Sony
Southern Illinois University Edwardsville
SPI Technologies Inc.
Sterling Publishing
Telepublishing Report
TeleRead
TexTech
THA Consulting
The Association for the Export of Canadian Books
The McGraw-Hill Companies
The Node Company
Thomson Reuters
Threepress Consulting Inc.
Transaction Publishers
Université de Montréal
University of California Press
University of Toronto Press
Value Chain
VIRUDHUNAGAR SOFTWARE ANALYSIS PVT LTD
W. W. Norton & Co
Wiley
Word-Player
WPG Publishers
YBP Library Services A Baker & Taylor Company
York University
Zinio

There are limited exhibit/sponsorship opportunities still available.