Gregg Drilling & Testing, Inc.GEOTECHNICAL AND ENVIRONMENTAL SITE INVESTIGATION SERVICES
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950 Howe Road,Martinez,California94553|Phone (925) 313-5800|Fax (925) 313-0302|Email info@greggdrilling.com
2726 Walnut Avenue,Signal Hill,California90755|Phone (562) 427-6899|Fax (562) 427-3314|Email info@greggdrilling.com

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Delivering High Quality Environmental, Geotechnical and Marine Drilling & Testing Solutions for Twenty Five Years
What's New
CPR/First Aid Training & Holiday Mixer Event
Wednesday, October 23, 2013
THIS HOLIDAY SEASON TO JOIN US for an afternoon of MERRIMENT & HOLIDAY CHEER. The afternoon begins with a CERTIFIED CPR & First Aid Training with FREE LUNCH from 12 noon - 4:00pm followed by a HOLIDAY COCKTAIL RECEPTION from 3-6pm.
CPT'14 Las Vegas, NV
Wednesday, August 07, 2013
Gregg Drilling had a fantastic event at CPT'14 this May in Las Vegas, NV. Gregg showcased one of its custom designed cone trucks and was also a platinum sponsor of the event.
Gregg Drilling Featured in OC Register - Lake Elsinore Drilling
Monday, July 08, 2013
As the glaciers of the last ice age retreated across North America, the region that would become Southern California experienced two sharp drops in available freshwater – the result of climate change driven in part by rising greenhouse gases, according to a newly published study.
CPR Training & Open House Event
Thursday, April 25, 2013
John Gregg & Jerry Rice invite you to join them for lunch. We all know that WORKING TOGETHER ensures the Safest and Best Results - that's why... GREGG DRILLING and RICE GENERAL are proud to be joining forces to bring you an event especially designed to inform and appreciate you with a Hosted Happy Hour.
US Builders Review Article
Wednesday, January 09, 2013
Gregg Drilling was recently featured in the US Builders Review Winter I edition.
Gregg Introduces Free Webinar Series
Saturday, September 01, 2012
Dr. Peter Robertson, Technical Advisor at Gregg Drilling, will be offering short 30 minute to 1 hour webinars on Cone Penetration Testing (CPT) and its applications.