Welcome to KPD INC. Port-a-Johns. KPD INC. PORT-A-JOHNS is a family owned business located in the beautiful Shenandoah Valley of Virginia. We proudly serve all towns and cities in Augusta, Rockingham, Rockbridge, Bath, Nelson, Page, Highland, Shenandoah and Albemarle counties. The company was founded in 1993 by President, Doug Campbell, who brings second generation knowledge and experience in the liquid waste industry. Our commitment to providing high quality portable units with high quality, guaranteed service is unwavering. We offer portable units for both the construction industry as well as special events. Our products are clean and well maintained. Our Polyjohn 300-gallon tank has heavy-duty thick wall construction, and our installation time is quicker than our competitors. We have size options for sinks, (2 or 4 person), and our units are Handicap Accessible and A.D.A compliant. Receive a quote online or by calling us toll free at 1-800-204-7615. We look forward to partnering with you to meet your portable unit needs.