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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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Recent Projects

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