Groupe Casino

Qarnot is a French company based in Montrouge that specializes in providing economical and ecological high-performance computing (HPC) solutions through an innovative platform. It designs and develops Q.rad, a computing heater that combines microprocessors and serves as both a heat source and a computing server. This unique product not only generates heat through computation but also allows users to regulate temperature via an embedded thermostat or smartphone. Qarnot's technology aims to reduce costs associated with traditional data centers, such as infrastructure, maintenance, and cooling, by offering a disruptive alternative for construction companies seeking efficient heating solutions for new buildings. Established in 2010, Qarnot has developed three generations of computing heaters to meet the needs of its clients while promoting sustainable computing practices.

Geimex SA operates discount retail stores in France. The company holds the trademark rights for Leader Price brand internationally.

E.L.S., SAS is a French company based in Sauvain that specializes in the manufacturing and marketing of milk and cheese. Established in 1992, the company is recognized for its production of Fourme de Montbrison, a cheese made using traditional methods since 1930. E.L.S., SAS offers a diverse range of cheeses, including both soft and marbled varieties, and is noted for being the leading producer of raw milk Fourme de Montbrison. This cheese is celebrated for its exceptional culinary qualities, making it ideal for various dishes such as raclette and fondue, as well as an ingredient in salads, meats, and gratins. Since September 2015, E.L.S., SAS has operated as a subsidiary of Casino, Guichard-Perrachon Société Anonyme.

SAS Gastronome Luché is owns and operates a poultry chain.

Monoprix, established in 1932, operates as a retail distribution company, primarily through department store chains such as Monoprix, Super Monoprix, Inno, and Prisunic. The company is known for its grocery stores, which offer a diverse selection of products including groceries, hardware, apparel, gifts, and packaged food items. By providing a wide range of products under one roof, Monoprix caters to the needs of urban consumers, contributing to the vitality and economic dynamism of city neighborhoods. Over the years, Monoprix has adapted to various changes in urban environments, ensuring its continued relevance in the retail market.

MonShowroom is an online retailer specializing in French-inspired fashion for men, women, and children. The platform curates a diverse selection of over 15,000 seasonal items from more than 270 top designer brands, catering to trend-conscious shoppers. It aims to provide a superior shopping experience, offering the latest collections rather than discounted stock. MonShowroom ensures worldwide delivery and tracking, making it accessible to a global audience seeking stylish and contemporary clothing and accessories.

Écomarché SA is owns and operates small supermarkets.

Easydis SAS offers road transportation of freight and logistics services.

Vindemia SAS is owns and operates a chain of hypermarkets and supermarkets across France.

Cdiscount is an online retail platform based in Bordeaux, France, offering a wide range of products including appliances, furniture, clothing, computing, high-tech items, telephony, and food. The company provides its customers with access to major brands at discounted prices, making it a competitive player in the e-commerce sector. In addition to general merchandise, Cdiscount also delivers a selection of food items, including fresh produce, through its partnership with Franprix, a subsidiary of Groupe Casino. This service allows for efficient delivery, with options available every day, including Sundays, within a time frame of one and a half hours.

Franprix Holding owns and operates convenience discount store chains that offer a range of food products.

Grupo Exito is a multilatina retail commerce company in South America. They are present in Colombia as Grupo Éxito; in Brazil as Grupo Pão de Açúcar; in Uruguay as Grupo Disco and Grupo Devoto; and in Argentina as Libertad.

GPA is a retail and distribution group.