We have more than 25 years experience in the Sierra Nevada’s geologically difficult grounds.

We are also familiar with the basin and bay areas. We have worked with archaeologists, curators, geologists, excavators, construction managers, and historians.

We also have over 28 years experience in the construction field so we are familiar with underground utilities and concrete.

 

 

 
 

Please Contact Us!
Phone: 530-271-5793
Cell: 530-277-4283
email at sierranevadagsi@aol.com

 

 

 

 

Company’s we have worked with:

Holdrege and Kull
Perryman Mechanical, Inc.
Nevada City Engineering
Nevada Irrigation District
Placer County Water
Marcus Bole
American Engineering and Asphalt
Squaw Valley USA
Nevada Joint Union School District
Anderson Lumber
Alle Bulk Oil Plant
Sierra College
Hanover
Grass Valley Group
Hanson Brothers
UC Davis

 

 

 

 

 

 

Truckee Hospital
City of Roseville
Mission San Jose Museum
Diamond Well Drilling
Hydro Science
Mantalvo Arts Center
Nash Construction
C&D Construction, Inc
Jackson Rancheria
Thunder Valley Casino
Verizon
Wayne Perry
El Dorado County Sheriff's Department
Bruce Ivy construction
Arco
British Petroleum
and many more!

 

 

 

 

 
© Sierra Nevada GSI 2008