A Green Clean, Down to the Last Detail

National Building Service Inc. is proud to provide comprehensive green cleaning services for businesses throughout Knoxville, Maryville, Oak Ridge, and Seymour, TN. We’ve been serving the community for over 35 years, and we take pride in keeping your commercial space sparkling clean and ready for use. Whether you need a one-time construction cleanup, weekly janitorial services or one-time event cleanup, we take care of it all with detailed, environmentally friendly cleaning.
We offer no-obligation consultations on event and office cleaning—we’re ready to get to know you and show you how a comprehensive green cleaning helps your commercial space become more inviting and comfortable. Please contact us through the form on this page or get in touch with us directly at 865-705-7995.