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Cornerstone Earth Group
Sunnyvale, CA 94085
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Our Story
Our main lines of business include: Construction Management, Site Assessments, Testing Laboratories.
Cornerstone Earth Group has been listed in the Blue Book since 2011.
What We Do
- Construction Management
- Site Assessments
- Testing Laboratories
Regions & Counties Serviced
- San Francisco, Oakland, San Jose
California 1
- Santa Clara
Our CSI Codes
01 21 19 - Testing and Inspecting Allowances
01 45 29 - Testing Laboratory Services
01 78 29 - Final Site Survey
02 20 00.00.01 - Assessment
02 24 13.73 - Land Assessment
02 24 23 - Chemical Sampling and Analysis of Soils
02 25 16.13 - Concrete Assessment Drilling
02 32 13 - Subsurface Drilling and Sampling
02 32 16 - Material Testing
04 01 20.93 - Testing and Sampling Brick Units for Restoration
31 09 13.13 - Groundwater Monitoring During Construction
32 70 00.00.01 - Wetlands