Corporate Headquarters

Contact Us

Stockton Office - Headquarters
3244 Brookside Road, Suite 100
Stockton, CA 95219
209.943.2021 - office
209.942.0214 - fax
map and directions

San Jose Office
111 North Market Street, Suite 300
San Jose, CA 95113
408.754.0121 - office

Marketing

To contact our Marketing Department for new projects, media inquiries, or website assistance please email Marc Nerius at mnerius@siegfriedeng.com.

Social Media

To learn more about Siegfried Engineering, network with our employees, or follow our corporate updates, view our LinkedIn profile by clicking on the link below.

File Sharing

To exchange files on our server, click the button below or go to: ftp.siegfriedeng.com. To obtain a user id and password, please contact our IT Department by emailing Jason Spohn at jspohn@siegfriedeng.com.