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Designing your vision, one detail at a time.

Welcome to
Orndorf & Associates, Inc.

Orndorf & Associates, Inc. (O&A) is a structural engineering and design firm with a strong presence in suburban Philadelphia, PA and branch offices in Greenville, DE and Rehoboth Beach, DE. We are an award-winning, client-focused company that seamlessly combines the extensive expertise of a large engineering firm with the personalized service of a small firm.

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Services

We offer a broad range of expertise in project types such as new construction, renovations, retrofits, adaptive reuse, and historic rehabilitation and preservation. Engineering feasibility studies, due-diligence surveys, constructability reviews, and peer review analyses are also part of our comprehensive services.

Our projects span across the country in sectors including residential (single and multi-family), commercial, industrial, self-storage, education, religious, healthcare, hospitality, and entertainment. We are dedicated to delivering exceptional, tailored solutions for our clients. Specialized areas of our practice include means and methods of construction, fall protection, and shoring of excavations. Our extensive portfolio features buildings of various sizes, scopes, and complexities, with construction values ranging from small-scale projects up to 100 million dollars.

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