The Quandel Company is founded by Emil Quandel as a limekiln and building materials supplier.
Quandel opens its first concrete plant.
Noble Quandel, Jr. becomes President and CEO, making Quandel a 4th generation family owned business.
Quandel wins its first million-dollar project.
Quandel forms Performance Construction Services, located in Pottsville, PA.
Quandel expands to the Midwest by opening the first Ohio office.
Quandel opens full-service office in Scranton, PA.
Quandel acquires Pyramid Construction Services, located in Wormleysburg, PA.
Quandel institutes Employee Stock Ownership Program.
QEI Construction Group, LLC is formed.
Quandel forms Quandel Consultants, a railway engineering firm, located in Chicago, IL.
Quandel acquires J. Vinton Schafer & Sons, located in Abingdon, MD.
Quandel is awarded Mount Carmel Health System Grove City Hospital project (with Joint-Venture partner, Hunt Construction) in Grove City, Ohio at $219 million.
Quandel climbs to 200 on the ENR Top 400 Contractors list.
Quandel celebrates its 135th anniversary!
Quandel begins work on UPMC Pinnacle's York Memorial Hospital.