Below is a selected listing of the awards and recognitions TPD has received in recent years, emphasizing our commitment to providing an outstanding work environment for our staff, as well as our focus on top-notch performance.


Zweig Group

#1 Best Large Civil Engineering Firm
to Work For in the US

#2 Best Firm (of any type) to Work For in
the US in the Large Size Category

#5 Best Firm (of any size) in
the Civil Engineering Category

Engineering News Record

#439 on Top 500 Design Firms list

Lehigh Valley Business

#3 on Top Engineering Firms List,
based on local presence

Philadelphia Business Journal

Top Engineering Firms list