Since 1970, CLS Facility Services has been the National Leader in quality facilities management. Our service providers are there for your facility maintenance needs whenever you require support — from complete project implementation to everyday repairs. We have the finest network of service providers in the US and Canada and offer in-depth help to facility managers for the most significant and costly areas of concern: HVAC, Lighting, Electrical, Project Management, Signs, and Plumbing. Our business services continue to lead the industry in facility and project management. We have been providing our clients with a single-source solution for more than 50 years.