Acumen (TBC), Adobe Digital Editions, CDC, Bibliovault Digital River, Ingram CDFL (via Ingram), Ingram CDFL (via publisher), Longleaf, MPS (Macmillan), Penguin Random House, Simon & Schuster, Bertrams, Gardners, MarstonMDL (Macmillan), NBNI (EDI integration), NBNi (Hosted Checkout), Wiley, Alliance Distribution Services, Coghlan, BooXtream, ILovePDFLSC, VitalSource, NBNi Stison (Adobe DRM)