Go back to directory. Add to Address Book. Camelot Pressure Washing Camelot Pressure Washing Contact: John Greene PO Box 1511 Harrisburg North Carolina 28075 work Work Phone: 704-400-0623work Work Email: info@camelotpressurewashing.comINTERNET Website: Camelot Pressure Washing Biographical Info Pressure Washing Charlotte, Concord, Harrisburg, and all surrounding cities. We offer free estimates and are licensed, insured, family owned, and have county permission to operate during drought conditions. Categories: Pressure Washing Updated 2 years ago.