Since 1978, ISS US has been providing janitorial, mechanical, landscape, and security services of the highest quality for commercial office buildings,

More than a hundred years ago (1901), the ISS Group was founded as a Danish security company. The company later entered the cleaning market and has through time added services to its competencies, becoming one of the world's largest facility service groups today. Today, ISS has over 600,000 employees in 50 countries across the world. ISS Facility Services serves a variety of industries such education, event venues, medical, technology groups, government, industrial and retail and aviation. The n...

More than a hundred years ago (1901), the ISS Group was founded as a Danish security company. The company later entered the cleaning market and has through time added services to its competencies, becoming one of the world's largest facility service groups today. Today, ISS has over 600,000 employees in 50 countries across the world. ISS Facility Services serves a variety of industries such education, event venues, medical, technology groups, government, industrial and retail and aviation. The nation headquarters is located in San Antonio, Texas.