1882
The Quandel Company is founded by Emil Quandel as a limekiln and building materials supplier.
1942
Quandel opens its first concrete plant.
1977
Noble Quandel, Jr. becomes President and CEO, making Quandel a 4th generation family owned business.
1981
Quandel wins its first million-dollar project.
1995
Quandel forms Performance Construction Services, located in Pottsville, PA.
1996
Quandel expands to the Midwest by opening the first Ohio office.
2001
Quandel opens full-service office in Scranton, PA.
2004
Quandel acquires Pyramid Construction Services, located in Wormleysburg, PA.
2005
Quandel institutes Employee Stock Ownership Program.
2006
QEI Construction Group, LLC is formed.
2007
Quandel forms Quandel Consultants, a railway engineering firm, located in Chicago, IL.
2010
Quandel acquires J. Vinton Schafer & Sons, located in Abingdon, MD.
2014
Quandel climbs to 200 on the ENR Top 400 Contractors list.
2017
Quandel celebrates its 135th anniversary!
2018
Quandel begins work on UPMC Pinnacle's York Memorial Hospital.
2019
Quandel headquarters relocates to new office.
