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Founded in 1981, So-Deep, Inc. is recognized as the original Subsurface Utility Engineering company. Our vision then and today remains the same: to provide accurate and reliable data on the existence and location of underground utilities. Through our refinement of how utilities are mapped and documented, we created the engineering profession known as SUE. As part of our ongoing effort to expand services, capabilities, and geographic range, in 2016 So-Deep became part of the SAM family of companies and we're now part of a team that delivers a full range of multidisciplinary services, from above ground and below.

So-Deep, Inc. Questions

The So-Deep, Inc. annual revenue was $34 million in 2026.

So-Deep, Inc. is based in Manassas, Virginia.

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