The following companies registered for last year's IDPF: Connected & Mobile Conference

Adobe Systems Inc.
Agilingua LLC
Amazon
American Foundation for the Blind
American Library Association
American Printing House f/t Blind
American Printing House for the Blind
Apple Computer
Arcadia House
Aspen Publishers
Association of American Publishers
Audible
Audiofy
Baker & Taylor
Barnes & Noble
Barnes & Noble Publishing
Benetech / Bookshare.org
Blish.com
Bookeen
BookExpo America
Books24x7
Bowker
Brandt & Hochman Literary Agents Inc.
Brooklyn Public Library
Brother Industries Ltd.
Cambridge University Press
CentriHall
codeMantra LLC
columbia university press
ContentKinetics
Contextual Connections LLC
Corning
CQ Press
Customer's Company
DeVry University Online
Digital Publishing Solutions
DigitalPulp Publishing
Dolphin Computer Access
eBook Technologies
Ebooks Corporation Ltd
ebrary
eCollege
Ed Map Inc.
Ellora's CAve Publishing Inc
E-Reads.com / Richard Curtis Associates
F.A. Davis
Follett Digital Resources
Foreword Magazine
Fourteen40
Franklin Electronic Publishers
Gemstone Corp
Google
Green Point Technology Services
Greenwood Publishing
Harlequin
Harlequin Enterprises
Hearst Corporation
Hoboken Public Library
Holtzbrinck Publishers
Houghton Mifflin
Houghton Mifflin Company
IDPF
Indigo Books and Music
Indigo Books and Music Inc.
Infinity Publishing
Informed Strategies
INTERNATIONAL INSTITUTE
International Institute for Learning Inc.
iRex Technologies
iRex Technology
JD Weiss Publishing Consulting
John Wiley & Sons
John Wiley & Sons Inc.
John Wiley and Sons
Kaplan Inc.
Laridian
LASON SYSTEMS INC
Learning Worlds
Learning Worlds Inc.
Library Journal
Library Journal/LJXpress
Lightning Source/Ingram Digital Ventures
Live Ink
Lucent Technologies
Lulu.com
MBS Direct
MBS Direct LLC
McGraw-Hill
McGraw-Hill Companies
McGraw-Hill Digital
McGraw-Hill Education
Media Development Authority of Singapore
MediaBay
Merriam-Webster Inc.
Michigan Library Consortium
Microsoft
Mobipocket
Motricity
Multimodal Learning LLC
NACS
National Academies Press
National Association of College Stores
Nature Publishing Group
NetLibrary a division of OCLC
New Video
New York Times Company
New York University
NYIT
NYU Book Stores
OCLC
OverDrive
Pearson
Pearson Education
Pearson Technolgy
Polytechnic University
Princeton University Press
Publishers Weekly
Publishing Dimensions
Publishing Trends
R.R. Bowker
Random House
Random House Inc.
Random House of Canada
REYNOLDS JOURNALISM INSTITUTE
RFB&D
Rosetta Solutions
Safari Books Online
Scholastic Inc.
School Library Journal
Seth Gershel, LLC
seton hall univ
Sharp Electronics Corporation
ShawGuides Inc.
SirsiDynix Corp.
Somatic Digital
Sony
Southern Illinois University Edwardsville
Star Ledger
Stenhouse Publishers
Stonehouse Press
Tebaldo
Techbooks
The Associated Press
The Bookseller
The Idea Logical Company Inc.
The McGraw-Hill Companies
The New York Public Library
The Rosen Publishing Group
Thomas Nelson Publishers
Thomson Gale
Thomson Learning
Time Warner Book Group
University of Alberta
University of California
University of Maryland University College
Vital Source Technologies
VitalSource
W. W. Norton & Co.
W. W. Norton & Company
Wesleyan University Press
White Plains Public Library
Wikipedia
Wiley
World Health Organization