We have the experience

Founded in 1985, Gregg Drilling has been providing site investigation services within California and the Western US for over 35-years. In this time Gregg’s clients have grown to include government agencies, industrial owners, engineering consulting firms and construction firms.

Gregg has been widely recognized as a leader and innovator in drilling, sampling and subsurface investigation, providing clients in industry and government with the highest quality services.

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If something isn’t listed here, it doesn’t always mean we don’t know how to help you. Visit our Services page to learn more about the services we have to offer. We love to tackle a difficult project or site – just let us know how we can help!