Founded in 1973, Carroll Engineering Corporation is an Engineering Firm based in Bucks County, Pennsylvania. As one of the largest consulting engineering firms in the Greater Philadelphia Area, the firm employs more than 90 people across southeastern Pennsylvania with offices in Warrington (Bucks County), King of Prussia (Montgomery County), Malvern (Chester County), Easton (Northampton County), as well as our New Jersey office in Hillsborough (Somerset County).