The telephone number for ABM janitorial services is 800-874-0780, as of May 2015. Customers can also use the office locator tool available on ABM's website to find an office near them. Additionally, customers can use the general inquiry form to connect with the right person.
ABM has a National Service Center that offers support to customers 24/7. With over 100 years of experience, ABM provides janitorial services in Puerto Rico, the United States and Canada. It boasts over 100,000 employees, who offer services to commercial, institutional, industrial and retail facilities. Additionally, ABM offers other services, such as electrical testing, energy solutions, engineering services and facility services.