Partners for What's Possible
Pennoni is a multidisciplinary engineering consulting practice headquartered in Philadelphia. Founded in 1966, it has grown to more than 1,400 employees across 40+ offices along the East Coast and ranks among ENR's Top 500 design firms. Practice areas span civil, structural, environmental, transportation, geotechnical, water, MEP, surveying, landscape architecture, and digital services, with market experience ranging from government and infrastructure to healthcare, energy, education, residential, and waterfront development.
IAS Accredited (ISO/IEC 17020:2012) - Special Inspections · AASHTO-Accredited Construction Materials Testing Laboratories · US Army Corps of Engineers Validated Laboratory
Andrew J. Pennoni, PEPresident and CEO
Brian M. Diehl, PEChief Operating Officer
Kevin SabolChief Financial Officer
Peter J. Coote, PE, Esq.VP, General Counsel, and Secretary
Joseph Viscuso, PE, PLS, ENV SPSVP and Director of Strategic Growth
Markus WeidnerChief Innovation Officer
Site planning, land development, and infrastructure design from feasibility through construction and end-use, coordinated across disciplines in-house.
Roadway, bridge, rail, transit, traffic, inspection, and safety services that improve mobility and infrastructure performance for public and private clients.
Building and infrastructure structural engineering for new construction, renovations, adaptive reuse, condition assessment, rehabilitation, and forensic evaluation.
Environmental assessment, remediation, ecological permitting, and occupational health and safety services for public and private clients.
Subsurface investigation and geotechnical engineering to support cost-effective foundation, pavement, and earthwork design.
Stormwater management, watershed protection, and coastal resilience engineering for communities facing climate-driven water challenges.
Planning, design, and permitting of water supply, distribution, and wastewater collection and treatment systems.
Integrated MEP engineering and fire protection design for efficient, sustainable, and code-compliant building systems.
Boundary, topographic, and geospatial services using GNSS, GIS, high-definition laser scanning, and drone technology.
Construction management and engineering inspection services for transportation and infrastructure projects, staffed by NICET, ACI, NACE, and NECEPT certified personnel.
Accredited materials testing, special inspections, and fabrication engineering for structural and highway construction, backed by AASHTO-accredited laboratories.
Data capture, digital modeling, and GIS asset management solutions that extend and enhance traditional engineering services.
Engineering solutions that address climate risks through resilient infrastructure design, sustainable practices, and clean energy integration.
Grant writing and federal funding strategy connecting public and private clients to infrastructure funding through IIJA, IRA, and other programs.
Landscape architecture, municipal planning, urban design, and community engagement for vibrant, resilient public and private spaces.
Commercial · Retail · Mixed-Use · Hospitality · Data Centers · Education · Government · Healthcare · Life Sciences · Pharmaceutical · Laboratories · Industrial · Manufacturing · Food & Beverage · Oil & Gas · Mining · Renewable Energy · Infrastructure · Transportation · Highways & Roads · Bridges · Rail · Airports · Marine · Ports & Harbors · Parking · Residential · Multifamily Residential · Senior Living · Land Development · Parks & Open Space · Sports & Recreation · Religious · Arts & Culture · Water Supply · Wastewater · Stormwater & Flood Control · Water Resources · Environmental & Remediation
Philadelphia, PA · Transportation · Client: PennDOT
Multifaceted multimodal improvements along the Delaware River waterfront envisioned by the 2011 Master Plan for the Central Delaware. Pennoni developed a 92-intersection traffic model for future and staged construction conditions and prepared a comprehensive traffic management plan covering full closures of I-95 and key Center City crossings.
Camden, NJ · Parks & Open Space · 2012 · Client: City of Camden
Two successive pop-up reactivations of a historic 75,000 sq ft park in front of Camden City Hall. A collaboration with Sikora Wells Appel and New American Public Art, the project introduced seating, public art, a rain curtain, a water organ, and on-site stormwater demonstration features to create a welcoming public space. It received the APA-NJ Outstanding Implemented Plan Award and the EDRA/Project for Public Spaces Great Places Award.
Norristown, PA · Government · Client: Municipality of Norristown
Pennoni's GIS and Asset Management team partnered with the Municipality of Norristown to develop MapIt Norristown, a suite of public-facing GIS mapping and asset management tools for municipal use.
Pennsylvania · Bridges · Client: PennDOT
Bridge replacement on SR 3006 over Gardner Creek (ECMS 8308), selected by PennDOT as a Digital Delivery Pilot Project.