September 2023

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H&H is a full-service infrastructure engineering firm with over 135 years of experience solving complex challenges. Infrastructure owners, contractors, and colleagues count on us when intricate and innovative engineering solutions are required for their projects. The H&H team has a time-tested ability to manage the entire life cycle of a project, from the study and planning phase through to design and construction.

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H&H’s Philadelphia Office continues growing rapidly, recently expanding into a space at 2000 Market Street in downtown Philadelphia. The staff provides a wide range of services covering the broad spectrum of H&H project types.

As a firm, H&H’s vast team of engineers — leaders in their field — are sought after across the globe because of their comprehensive knowledge of a wide variety of structure types. They understand the complex interrelationships between the structural, mechanical, electrical, civil, and geotechnical components of infrastructure assets, enabling us a uniquely holistic perspective.

H&H’s mission is to solve complex engineering challenges on the world’s most unique projects by applying the best engineering talent and the latest industry technology. These core attributes grant H&H an unprecedented ability to retain the industry’s most forward-thinking, technically skilled talent and to become world-renowned for the depth of our experience and success.

H&H is a proud supporter of WTS and the Philadelphia Chapter.