Gregg Drilling & Testing, Inc. and Gregg In Situ, Inc.

Gregg Drilling & Testing, Inc. (Gregg) offers a wide range of services for environmental, geotechnical and marine site investigation and remediation. Since our inception, 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.

Company details

2726 Walnut Avenue , Signal Hill , CA 90755 USA

More Office Locations Locations Served

Business Type:
Service provider
Industry Type:
Soil and Groundwater
Market Focus:
Nationally (across the country)