Northern California Engineering Contractors Association

John Zimmerman
400 Hopper St
Petaluma, CA 94952
Phone: 707-953-8010
Fax:
Email: zimmermanj@vmcmail.com
http://www.shamrockmaterials.com
About

The ECA, and its Board of Directors, has been the voice of the engineering construction industry for the past thirty three years.

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707-546-5500

Postal: P.O. Box 8249 Santa Rosa, CA 95407

Visit us: 1030 Apollo Way, Santa Rosa, CA 95407
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