AAUP (Association of American University Presses)

American Booksellers Association

ABA Trade Bookstore Directory

Association of American Publishers

Book Industry Study Group

Books In Print

Bowker

CBA, Christian Booksellers Association

CPSG, Christian Product Standards Group

CRSC, Christian Retail Solutions Committee

ECPA, Evangelical Christian Publishers Association

Monument Information Resource (MIR)

National Association of College Stores

Reed Business Information

Simba Information

UnitechEDI

Yahoo Publishers Index