Northern California Engineering Contractors Association

Mary Valdivia
254 Colgan Ave.
Santa Rosa, CA 95404
Phone: 707-836-4124
Fax: 707-837-2981
Email: valdiviatrucking29@gmail.com
http://valdiviatrucking.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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