Longevity Meets Flexibility
With nearly 60 years of expertise, Pennoni delivers innovative solutions by approaching engineering challenges from a wider angle than most and fostering collaboration to address current challenges and future demands.
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Happy Holidays 2025
A message from President & CEO Dave DeLizza Hello everyone! As we close out 2025, I want to extend my heartfelt thanks to all of you. This...
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Pennoni’s East Hanover Lab Achieves AASHTO Accreditation, Strengthening Quality and Confidence in Materials Testing
Pennoni is proud to announce that our East Hanover, NJ laboratory has achieved AASHTO Accreditation for both its quality management system and concret...
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New Officers Named at Pennoni
Philadelphia-based company shares 2025 officer promotions firm-wide PHILADELPHIA – Pennoni, a multidisciplinary engineering firm headquartered in P...
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Pennoni Welcomes Jessica Warren as New Environmental, Health & Safety Training Manager
Experienced leader returns to Pennoni to expand training services across the Mid-Atlantic region PHILADELPHIA—Pennoni, a multidisciplinar...
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Elizabeth Harasty Named ASHE 2025 National Young Member of the Year
Pennoni Engineer Recognized for Outstanding Contributions Nationally and to the Chesapeake Section PHILADELPHIA – Pennoni a multidiscipli...
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Pennoni Strengthens New York Practice with Acquisition of Dagher Engineering
Strategic Acquisition Adds Award-Winning Building Systems and Sustainability Expertise to Pennoni’s Integrated Services, Fueling Long-Term Growth &...
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Pennoni Expands Southern New Jersey Presence with Acquisition of MV Engineering
Acquisition enhances Pennoni’s civil and municipal engineering services in the region PHILADELPHIA – Pennoni, a multidisciplinary engin...
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Pennoni bolsters NC Region with Strategic Hires
Pennoni welcomes Justin Brown, PE, and Tim Griffith, PLS PHILADELPHIA – Pennoni, a multidisciplinary engineering firm headquartered in Philadelphia...
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Pennoni Strengthens Services with Midlantic Engineering
Midlantic Engineering Joins Pennoni PHILADELPHIA – Pennoni, a multidisciplinary engineering firm headquartered in Philadelphia, is thrilled...
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Megan Todaro is PSPE 2025 Young Engineer of the Year
Delaware County, PA Chapter recognizes Pennoni Engineer PHILADELPHIA – Pennoni a multidisciplinary engineering firm headquartered in Phil...
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Local Partners, National Expertise
With 40+ offices, we live, visit, and work in the communities we serve, so we build partnerships to bring the best solutions for the community; not just the best solution.
Evolving
Capabilities
We continually employ innovation to accomplish more for our clients, using the latest technologies to complement our traditional engineering services.
Pride in Making an Impact
At Pennoni, we start every project by asking "How will this benefit the community?" Because we are a 100% employee-owned firm, our 1,400+ colleagues put our passion, talent, and value into every project, every day.