Facilitech - PBSC provides full cleaning and custodial services to schools, colleges and commercial buildings. PBSC cleans over 100 buildings, including 40 schools and colleges. In addition, we provide other related custodial/cleaning project services on an as needed basis. PBSC is the largest provider of custodial/cleaning services to independent schools in New England. Our program is designed to support the unique requirements for servicing the special needs and event driven requirements of educational organizations.