Quandel was established in 1882 in Minersville, Schuylkill County, Pennsylvania and is presently under the leadership of fifth generation management. We have been providing our services for 138 years, including construction management, general construction, design-build services, engineering and development. In addition to our corporate headquarters in Harrisburg, Pennsylvania, we maintain full-service offices in Minersville, Wormleysburg, Pottsville, Scranton and Bethlehem, Pennsylvania and Abingdon, Maryland. http://www.quandel.com