Ben C. Gerwick, Inc. » Associate Members | Corporate Members | Honorary Members | Entire List Go back to directory. Add to Address Book. Ben C. Gerwick, Inc. Ben C. Gerwick, Inc. Contact: Mr. Dennis Lambert, P.E. Work 400 Poydras Street, Suite 1160 New Orleans LA 70130 work Work Phone: 504/524-2008work Work Email: email@example.comINTERNET Website: http://www.gerwick.com Categories: Associate Members Updated 2 years ago.