Benicia, United States
Gregg Drilling provides site investigation services for the geotechnical and environmental sectors, specializing in projects across California and the Western United States. The company uses equipment like the CME45 skid mounted drill rig and deploys Membrane Interface Probe (MiHPT) tools for real-time characterization. Over 40 years, Gregg has worked on a variety of projects including construction, mining, and environmental remediation. They operate vessels such as the R/V Quin Delta and have conducted near-shore and marine drilling and testing projects. Founded in 1983, Gregg Drilling is part of Sealaska and works with other companies to address ocean health issues. The company has installed both large and small monitoring wells for various clients.
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