Beletrina is a Slovenian publishing house, retailer, book distributor and technical service provider.

Bibliopresto is a non-profit organization in Quebec that supports libraries by offering them digital tools and services.

The BnF, which stands for National Library of France, is a public institution under the authority of the Ministry of Culture. BnF's mission is to collect, preserve, enrich and communicate the national documentary heritage.

The Bibliothèque Sonore Romande is a Swiss non-profit organisation which provides audiobooks to people with reading disabilities.

the company which is behind Bluefire Reader, a well-known EPUB reader in the USA. Note that for now, Bluefire Reader does not rely on the Readium toolkits and does not support the LCP DRM.

Bobasen in an ebook distributor based in Norway. Established in 2007, they create infrastructure for new digital solutions for publishers, bookstores, online bookstores, subscription services, libraries and schools.

Bokusgruppen is Sweden’s market-leading book retailer which, with strong and complementary brands, reaches a very large share of Sweden’s population. Based on our vision – “Joy of reading for everyone, every day” – Bokusgruppen aims to satisfy the customers’ varying requirements and to be the preferred choice for as many as possible.

We are running the no. 1 digital library lending solution in the UK, Ireland, Australia and New Zealand. We are entering the DACH market and are in contact with tolino/Kobo and PocketBook regarding compatibility and integration with their devices.

Bookshop.org is an online bookstore with a mission to financially support local, independent bookstores. Their platform gives independent bookstores tools to compete online and financial support to help them maintain their presence in local communities.

Bookwire is the largest ebook distributor in Germany. Founded in 2010, it is a service provider for publishing houses, specialising in eBooks. Their team is located in Frankfurt am Main (headquarters) and in Dortmund, and they operate international offices in London, Barcelona, Paris, New York, Mexico City and São Paulo.