Pierre-François Riolacci

ISS Global A/S provides facility support services. It offers cleaning, office support, catering, security, property, and integrated facility services. The firm also manages ISS Group’s internal financing and investing activities. The company was founded on October 1, 1998 and is headquartered in Søborg, Denmark.

ISS Facilities Services, Inc. provides janitorial, mechanical, landscape, and security services. The firm offers services to the commercial office buildings, schools and universities, historic properties, medical facilities, retail chains, stadiums, theaters, convention centers, and high-profile events. The company was founded by Darrell Glover in 1978 and is headquartered in San Antonio, TX.

Institut Veolia Environnement publishes reports and articles in the field of envrironment. The firm carries out various studies with universities and the organzations on the planet's challenges. The company was founded by Henri Proglio in September 2001 and is headquartered in Aubervilliers, France.

Veolia Energie International SA is a holding company, which engages in the design and development of energy efficiency programs for municipalities, institutions, and businesses. These include solutions for steam production, heating, cooling, compressed air, vacuum, cogeneration, and power networks. It also offers system maintenance services, including engineering, electrical, automation, and upgrading. The company was founded on November 13, 2000 and is headquartered in Saint-Andre-lez-Lille, France.

ISS Holding Paris SASU is an investment holding company with interest in the provision of landscaping services sector. The company was founded on May 31, 1999 and is headquartered in Paris, France.

KLM Jet Center provides aviation handling services. The company is headquartered in Rotterdam, the Netherlands.

Transdev Group SA designs transport systems for public, shared, private, city and rural transport. The company was founded on March 23, 2010 and is headquartered in Issy-les-Moulineaux, France.

Part of ISS A/S, ISS Facility Management SAS is a French company that provides cleaning and maintenance services to businesses. The private company is based in Paris, France. Pierre-François Riolacci has been the CEO of the company since 2016.

ISS Tesis Yönetim Hizmetleri A.S. is a leading facilities management company based in Istanbul, Turkey. ISS provides a range of facilities management services to clients worldwide. The CEO of the Turkish company is Jacob Aarup-Andersen.