Established in 1978, ISS Facility Services provides janitorial, mechanical, landscaping and security services. It offers its services to commercial office buildings, schools and universities, historic properties, medical facilities, retail chains, stadiums, theaters and convention centers. The company serves more than 100,000 business-to-business customers worldwide. ISS Facility Services is one of the largest commercial providers of facility services in the world. It offers a range of facility services and creates synergies to maximize resource optimization and cost efficiency. The company develops new methods, tools and materials to improve cleaning methods and working conditions. ISS Facility Services serves various clients in the private and public sectors. It provides customized cleaning solutions to the residents and businesses of Texas.