Platform provider

ProQuest LLC is privately-held property of the information services and publishing conglomerate Cambridge Information Group, Inc. With headquarters in Ann Arbor, Michigan, ProQuest publishes in microform and in electronic format scholarly and scientific monographs, journals and archives of historical newspapers, periodicals, government records and publications, dissertations, and epehemera.

Irish Newspaper Archives Ltd (INA) is a commercial provider of digitized newspapers from (and about) Ireland, offered through the Internet database www.irishnewsarchive.com.

Vittorio Klostermann is an academic publisher of electronic and print books and serials and online bibliographic databases, in the fields of philosophy, literature, linguistics, law, science, and librarianship. Verlag Vottorio Klostermann GmbH is based in Frankfurt am Main, Germany.

William S. Hein & Co., Inc. is a legal publisher that provide access to content through an online platform called Heinonline. HeinOnline is available by subscription with a core subscription package and additional a-la-carte libraries.

L'Harmattan is a French publisher, specializing in literature and the humanities.  They offer many of these works, including books and films, on their digital platform.

The Frankfurter Allgemeine Zeitung was founded in 1949 and is the German newspaper with the largest circulation outside of Germany.  It is published in the city of Frankfurt.

CEDROM-SNi is a Canadian aggregator of newspaper, magazine, and television content.

Érudit is a multi-institutional publishing consortium (Université de Montréal, Université Laval, Université du Québec à Montréal) and a non-profit society.

With origins dating back to 1478, Oxford University Press (OUP) has a Global Academic Publishing program that spans the entire academic and higher education spectrum, including a wide array of scholarly and general interest books, journals, and online products.