KBS Services, also known as Kellermeyer Bergensons Services, is a leading provider of facility management services across North America. They specialize in janitorial, landscaping, and maintenance services for a variety of industries including retail, healthcare, and education. The company generates revenue through long-term contracts with businesses seeking comprehensive facility management solutions. Founded in 1947, KBS has grown significantly through strategic acquisitions and a commitment to sustainability and innovation, making it a key player in the facility management sector.