Contact Us!

Quality Control Department

 

Tom Martin, Technical Services Manager

Phone:707-765-8559

E-mail: tomm@shamrockmaterials.com

 

Art Moriguchi, Engineer

Phone: 707-781-9037

E-mail: artm@shamrockmaterials.com

Sales Department

 

Sales Office:

400 Hopper St.

Petaluma, CA 94952

Phone: 800-675-1511

Fax: 707-765-0459

E-mail: sales@shamrockmaterials.com

Administrative Offices

 

Main Office:

181 Lynch Creek Way

Petaluma, CA 94954

Phone: 707-781-9000

Fax: 707-781-9055

E-mail: admin@shamrockmaterials.com

Central Dispatch-Concrete

Central Dispatch Office:

Toll Free: 800-779-5777

Local: 707-765-8575

Fax: 707-763-1893