C. H. Wong

ISS World Services A/S provides facility management services. It offers administrative, operational, and management services to companies within the ISS Group. The company was founded on January 1, 1966 and is headquartered in Søborg, Denmark.

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.

Part of PricewaterhouseCoopers International Ltd., PricewaterhouseCoopers (Denmark) is a company based in Hellerup, 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.

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.