Sodexo (formerly Sodexho Alliance) is a French food services and facilities management company headquartered in the Paris suburb of Issy-les-Moulineaux. It has 428,237 employees as of 2019 and a presence in 80 countries.

For fiscal year 2020 (ending August 2019) revenues reached €22.0 billion, with a market capitalization of €15.8 billion. Its revenues by region are 47% from North America, 38% from Europe, and 15% from other areas.

Sodexo serves many sectors, including private corporations, government agencies, schools from preschool through university (including seminaries and trade schools), hospitals and clinics, assisted-living facilities, military bases, and prisons. 

As of 2016 subsidiary Sodexo Justice Services operated support services in 122 prisons in eight countries, including 42 in the Netherlands, 34 in France, and others in Belgium, Italy, Spain, and Chile, as well as directly running 5 prisons in the UK.

According to en.wikipedia