Quanta Subsurface offers a full range of foundation design services, including structural, geotechnical and civil engineering, in combination with site characterization and construction inspection. Our experience ranges from conventional spread footings, to complex arrays of traditional and alternative deep foundation elements in soil or rock. Integrating these services with specific contractor means and methods enables us to provide efficient foundation solutions for any project size, site location or subsurface condition. Our expert staff are licensed in all U.S. states and Canadian provinces, and our strategic construction partners are spread out across North America.
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The Quanta Subsurface annual revenue was $2 million in 2026.
Quanta Subsurface is based in Spokane Valley, Washington.
The NAICS codes for Quanta Subsurface are [2379, 23799, 237, 23, 237990].
The SIC codes for Quanta Subsurface are [16, 162].