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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Spring 2026 Perspective
Your spring read has arrived — and it’s all about legacy, leadership and innovation. In the newest edition of Perspective: Explore how Pen...
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Pennoni Announces COO Succession During Milestone Year
Brian Diehl Promoted to COO PHILADELPHIA—Pennoni, an employee-owned multidisciplinary engineering firm headquartered in Philadelphia, ann...
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Employee Spotlight: Our Greatest Achievement at 60, Our People
Each month, Pennoni’s Employee Spotlight highlights the individuals who bring passion, expertise, and dedication to our work. This month (and this y...
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Employee Spotlight: Marvin Ta, PE, PTOE, ENV SP
Pennoni’s Employee Spotlight series gives you a behind-the-scenes look at the talented individuals who make our company thrive. Each month, we highl...
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Announces Regional Leadership Appointments to Strengthen Construction Services Operations
Regional realignment positions construction services division for long-term success PHILADELPHIA—Pennoni, a multidisciplinary engineering...
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Employee Spotlight: Andrew Pennoni, PE
Pennoni’s Employee Spotlight series gives you a behind-the-scenes look at the talented individuals who make our company thrive. Each month, we highl...
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Pennoni Announces Leadership Transition as Andrew Pennoni Named President and CEO
Leadership transition reinforces Pennoni’s commitment to continuity, growth and legacy PHILADELPHIA—Pennoni, a multidisciplinary, 100% ...
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Winter 2025 Perspective
Your winter read has arrived — and it’s all about impact, leadership and community. In the newest edition of Perspective: Explore how Penn...
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Pennoni Announces Transition in Chief Financial Officer Role
Stacey McPeak Steps Down After 34 Years of Service; Kevin Sabol Promoted to CFO PHILADELPHIA—Pennoni, a multidisciplinary engineering fir...
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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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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.