Founded in 1974, Kohl Building Maintenance, also known as KBM, offers maintenance services for companies in the Los Angeles area. The company provides construction clean-up, carpet and floor cleaning, window washing and day porter services. It serves commercial buildings, corporate headquarters, athletic clubs and movie studios. Kohl Building Maintenance additionally provides services for a range of buildings that includes office, medical, industrial, research and development, government, retail, schools and automobile dealerships. The company is located in Chatsworth, Calif.