Yerkes Associates, Inc; 1444 Phoenixville Pike, West Chester, PA 19380
Yerkes Associates, Inc.; offering professional services since 1874; Consulting Engineers/Site Planners/Surveyors
Yerkes Associates, Inc Chairman
John B. Yerkes Jr., Chairman

John B. Yerkes, Jr, PE
Chairman
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Yerkes Associates, Inc Leaders
Albert J. Giannantonio, President

Albert J. Giannantonio, P.E.

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William C. Wermuth, Treasurer

William C. Wermuth
Vice President
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Dan Malloy, P.E.
President
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J. Russell Yerkes, Vice President

J. Russell Yerkes
Vice President
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Michael R. Conrad, Vice President

Michael R. Conrad, P.E.
Vice President
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Michael R. Conrad, Vice President

L. Patrick Spellman, P.E.
Land Development Manager
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Alice Kenworthy
Accounting Manager
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Frank Newhams
Senior Building Official
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All comments and questions should be directed to yerkes@yerkes-assoc.com.