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HDR partners with clients to connect the right engineering, architecture, environmental and construction services experience and expertise for your projects.

Projects That Build Strong Communities
Pettit Lake Creek Weir
Pettit Lake Creek Weir
photo of the Community College of Philadelphia library with books in it
Community College of Philadelphia Library and Learning Commons
project mallow
Project Mallow, Wayfair Distribution Warehouse & Office Facility
The Sienna Building exterior view
Sienna Building, Basing View
News & Insights
News
HDR Earns No. 5 Ranking, Cracks Engineering News-Record’s Top Five List for First Time
HDR Rises To No. 5 Among Top Design Firms
Article
complex interstate interchange
Experts Talk: Life Cycle Risk Management for Complex Infrastructure Programs with Jose Theiler
Podcast
View of airport from airplane window
Speaking of Design Ep. 24: One Flight Away