Siegfried, established in 1955, is recognized as one of the foremost multidisciplinary design and engineering firms in northern and central California.  We solve our clients'​ toughest challenges, making complex projects not only manageable but truly successful. Our innovative approach and technical expertise continue to shape the success of communities and businesses throughout the region and beyond.

At Siegfried we take a true multidisciplinary approach to civil engineering, structural engineering, landscape architecture, architecture, surveying, and planning which gives our Clients the efficiency of a full service firm with a depth of knowledge unmatched in the industry.

Architecture

Construction

Siegfried

Siegfried's headquarters in Stockton, CA, United States

Paul Schneider

Lex Corrales

Adam Merrill P.e.

Jim Willis Msa

Engineering Team

Leadership Team

Marketing Team

Finance and Administration Team

Siegfried

Org chart

Teams

Engineering Team

Leadership Team

Marketing Team

Finance and Administration Team

Offices

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