Dalloz  is a French publisher that specializes in legal matters and is France's main legal publisher. It was founded by Désiré Dalloz and his brother Armand in 1845.  Dalloz was acquired by Groupe de La Cite in 1989. CEP acquired almost complete control of Groupe de La Cite in 1995. Havas acquired full ownership of CEP in 1997 and In 1998, Havas was acquired by the company that became Vivendi. Presses de la Cité became part of Vivendi Universal Publishing (VUP), which in 2002 was sold to Hachette Group. In 2011, Dalloz's turnover amounted to 51,256,788 euros, rising steadily since the creation of the company (except during the war years).
Among other collections (Precis dalloz...), Dalloz is known for its encyclopedia of law that covers different branches of law: civil law, business law, international law, criminal law, European law, etc. Dalloz has published commentary, cases and legislation in a series of bulletins referred to generally as Recueil Dalloz. 
Some topics are now only available online.
Lagardère S.A. is an international group with operations in over 40 countries. It is headquartered in the 16th arrondissement of Paris. The group was created in 1992 as Matra, Hachette & Lagardère. Headed by Arnaud Lagardère, it is focused around two priority divisions: Lagardère Publishing and Lagardère Travel Retail. Their book and electronic publishing division includes the major imprint Hachette Livre. The Lagardère Travel Retail unit includes store retail, largely in airports and railway stations. The Group's business scope also comprises other activities, mainly including Lagardère News and Lagardère Live Entertainment.
The Olympia is a concert venue in the 9th arrondissement of Paris, France, located at 28 Boulevard des Capucines, equally distancing Madeleine church and Opéra Garnier, 300 metres (980 ft) north of Vendôme square. Its closest métro/RER stations are Madeleine, Opéra, Havre – Caumartin, and Auber.
Vivendi SE is a French mass media holding company headquartered in Paris. Widely known as the owner of Gameloft, Groupe Canal+, Havas, Editis, Prisma Media, Vivendi Village and Dailymotion, the company has activities in television, film, video game, book publishing, print press, communication, tickets and video hosting services.
Henri Ernest Baillon was a French botanist and physician. He was born in Calais on 30 November 1827 and died in Paris on 19 July 1895.
Havas SA is a French multinational advertising and public relations company, headquartered in Paris, France. It operates in more than 100 countries and is one of the largest advertising and communications groups in the world.
Vivendi Games was an American video game publisher and holding company based in Los Angeles. It was founded in 1996 as CUC Software, the publishing subsidiary of CUC International, after the latter acquired video game companies Davidson & Associates and Sierra On-Line. Between 1997 and 2001, the company switched parents and names multiple times before ending up organized under Vivendi Universal. On July 10, 2008, Vivendi Games merged with Activision to create Activision Blizzard.
Désiré Dalloz was a French jurist, politician and publisher.
Masson was a French publisher which specialized principally in medical and scientific books and journals. It also published textbooks for secondary and tertiary education.
Chambers is a reference publisher formerly based in Edinburgh, Scotland, which held the property rights of W. R. Chambers Publishers.
Presses de la Cité is a French publishing company founded in 1943 by Sven Nielsen, the son and grandson of booksellers, who came to Paris in 1924. Before becoming a publisher, Nielsen specialised in exporting French books.
George G. Harrap, Ltd is a now defunct publisher of high quality speciality books, many of them educational, such as the memoirs of Winston Churchill, or highly illustrated with line drawings, engravings or etchings, such as the much republished classic educational children's book The Cave Boy of the Age of Stone from at least 1901 into the 1980s.
Publishers of English classics for the educational trade, Harrap was also known for publishing finely illustrated books by Rackham, Gooden, and others, and as the publisher of Winston Churchill.
Plon is a French book publishing company, founded in 1852 by Henri Plon and his two brothers.
Jean-Jacques Chevallier,, was a 20th-century French professor, jurist and historian and Academician. Professor at the Paris Faculty of Law and Economic Sciences, member of the Academy of Political and Moral Sciences (1964–83), he left numerous works, in particular a major classic on "The Great Political Works from Machiavelli to Our Day", recently reissued with an update by Yves Guchet. Several subsequent historians in France have acknowledged his influence; Jean-Pierre Gross writes of "A chronological and historical account, in the tradition established by Jean-Jacques Chevallier", and according to the French jurist Georges Lavau: "We had a few masters who had explored certain territories, almost in solitude: André Siegfried, Raymond Aron, Jean-Jacques Chevallier, Georges Burdeau, Jean Stoetzel."
Groupe BPCE is a major French banking group formed by the 2009 merger of two major retail banking groups, Groupe Caisse d'Épargne and Groupe Banque Populaire. As of 2021, it was France's fourth largest bank, the seventh largest in Europe, and the nineteenth in the world by total assets. It has more than 8,200 branches nationwide under their respective brand names serving nearly 150 million customers. It is Europe's largest bank by revenue, ahead of BNP Paribas and HSBC. It is considered a global systemically important bank (G-SIB) by the Financial Stability Board.
Serge Guinchard is a French jurist who formerly taught at the Law School of Dakar and Jean Moulin University Lyon 3 and most recently at Panthéon-Assas University, where he is now Professor emeritus. He has also held political posts in the metropolitan government of Lyon.
L'Usine nouvelle is a weekly French business magazine that covers business and technology. It is based in Antony, Hauts-de-Seine near Paris.
Jacobo Ríos Rodríguez is Maître de Conférences in International Public Law and Dean of the Faculty of Law of the University of Perpignan Via Domitia ,.
René David was a French Professor of Law. His work has been published in eight different languages. He was, in the second half of the 20th century, one of the key representatives in the field of comparative law.
Fabrice Fries is a French business executive, currently Chairman and Chief executive officer of Agence France-Presse.
Groupe Madrigall is a French publishing holding company. It is the parent company of several publishing houses and distribution companies including: Éditions Gallimard, Flammarion and Casterman. Groupe Madrigall is the third largest French publishing group.