Registered small business
SIEGFRIED ENGINEERING, INC.
siegfriedeng.comdba SIEGFRIED ENGINEERING INC · STOCKTON, CA · Established 1955
Capabilities
Siegfried Engineering is a trusted partner delivering civil, structural, geotechnical, survey, and landscape architecture services. Since 1955, our 70-person team has supported public and private clients with thoughtful, cost-effective solutions that strengthen communities. We specialize in site development, roadway/transportation, utilities, water resources, and community infrastructure, offering responsive service and clear communication at every stage. Our collaborative approach, technical expertise, and long-standing client relationships ensure projects are delivered with quality, innovation, and lasting value.
Federal performance
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Registered NAICS codes
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Other designations
Self-certified: Small business