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As Pennoni celebrates 50 years in business, we reaffirm our commitment to provide personalized service to our clients and to determine the solution that best suits your needs. Our firm utilizes the latest technology to meet your project requirements. With an Employee Stock Ownership Program (ESOP) in place, we dedicate ourselves daily to client service, to giving back to the community, and to nurturing the entrepreneurial spirit of our employee-owners. We have received numerous awards for our work as well as our corporate culture, including national rankings by the Zweig Group and Engineering News-Record.

The firm, founded in 1966, has grown to more than 1,200 professionals in offices strategically located to best serve our growing list of clients around the world. As a multidisciplinary firm, our breadth of services include civil/site, construction services, environmental, geotechnical, landscape architecture and planning, MEP, structural, survey and geomatics, transportation, water resources, and water/wastewater.

We put our passion, knowledge, and skill into doing what it takes, every day, every time, for every project.
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As an employee-owned company, Pennoni is about people. We provide quality service to our clients both locally and around the world; we offer a work environment that inspires our staff; we partner with the communities in which we work. Our professional reputation and commitment to the people whose lives we touch, motivate us to put our passion, talent, and value into every project, every day.... Read more




Philadelphia, PA


1,250 US Employees



Recent Awards