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Insights

Integrated services Cornerstone Earth Group combines geotechnical engineering, environmental services, engineering geology, and construction services, presenting cross-selling opportunities to clients seeking one-stop site development solutions.

Mid-market focus Revenue range of 25M to 50M and a workforce of 51-200 positions the firm as a mid-market player with growth potential for regional project opportunities and repeat business from clients needing scale without top-tier mega-firm fees.

Experience leverage With over 200 years of principal-level experience, there is a compelling value proposition for clients requiring complex, risk-managed site development, enabling targeted pitches to municipalities and developers facing stringent feasibility challenges.

Digital resilience Adoption of cloud and content platforms (AWS, Google Cloud, S3) along with security tools suggests a readiness to manage large data-intensive projects, positioning for opportunities in data-rich environmental and geotechnical assessments.

Competitive positioning Size and capabilities align with mid-sized competitors in the geotechnical and environmental space; focus on unique, integrated delivery and practical solutions can be highlighted to win projects from larger firms on cost-effectiveness and responsiveness.

Similar companies to Cornerstone Earth Group, Inc.

Cornerstone Earth Group, Inc. Tech Stack

Cornerstone Earth Group, Inc. uses 8 technology products and services including Amazon Web Services, Amazon S3, WordPress, and more. Explore Cornerstone Earth Group, Inc.'s tech stack below.

Cornerstone Earth Group, Inc.'s Email Address Formats

Cornerstone Earth Group, Inc. uses at least 3 email formats:
Cornerstone Earth Group, Inc. Email FormatsExamplePercentage
FLast@cornerstoneearth.comJDoe@cornerstoneearth.com
92%
Last@cornerstoneearth.comDoe@cornerstoneearth.com
5%
FMLast@cornerstoneearth.comJMDoe@cornerstoneearth.com
3%

Frequently Asked Questions

What is Cornerstone Earth Group, Inc.'s phone number?

Minus sign iconPlus sign icon You can contact Cornerstone Earth Group, Inc.'s main corporate office by phone at
+1-408-245-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Cornerstone Earth Group, Inc.'s official website and social media links?

Minus sign iconPlus sign iconCornerstone Earth Group, Inc.'s official website is cornerstoneearth.com and has social profiles on LinkedIn.

How much revenue does Cornerstone Earth Group, Inc. generate?

Minus sign iconPlus sign icon As of August 2026, Cornerstone Earth Group, Inc.'s annual revenue is estimated to be $25M - $50M.

What is Cornerstone Earth Group, Inc.'s SIC code and NAICS code?

Minus sign iconPlus sign iconCornerstone Earth Group, Inc.'s SIC code is 1799 - Special Trade Contractors, Not Elsewhere Classified and NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Cornerstone Earth Group, Inc. have currently?

Minus sign iconPlus sign iconAs of August 2026, Cornerstone Earth Group, Inc. has approximately 63 employees across 3 continents, including North America, Asia and Oceania. Key team members include Non Executive Director: G. C. and Controller: K. M. Explore Cornerstone Earth Group, Inc.'s employee directory with LeadIQ.

What industry does Cornerstone Earth Group, Inc. belong to?

Minus sign iconPlus sign iconCornerstone Earth Group, Inc. operates in the Civil Engineering industry.

What technology does Cornerstone Earth Group, Inc. use?

Minus sign iconPlus sign iconCornerstone Earth Group, Inc.'s tech stack includes Amazon Web Services, Amazon S3, WordPress, Barracuda Email Protection, Google Cloud, X-XSS-Protection, Adobe Creative Suite and Adobe Fonts.

What is Cornerstone Earth Group, Inc.'s email format?

Minus sign iconPlus sign iconCornerstone Earth Group, Inc.'s email format typically follows the pattern of FLast@cornerstoneearth.com. Find more Cornerstone Earth Group, Inc. email formats with LeadIQ.

When was Cornerstone Earth Group, Inc. founded?

Minus sign iconPlus sign iconCornerstone Earth Group, Inc. was founded in 2007.
Cornerstone Earth Group, Inc. logo

Cornerstone Earth Group, Inc.

Civil EngineeringCalifornia, United States51-200 Employees

Cornerstone Earth Group, Inc. operates in the civil engineering field by integrating geotechnical engineering, environmental services, engineering geology, and construction services into a single, client-focused team. This combination supports cost-effective site selection, project design, and site development while drawing on construction and remediation expertise to deliver practical solutions.

Headquartered in Sunnyvale, California, the company serves clients seeking technical leadership for site-related projects. The principals bring more than two centuries of combined experience, reflecting a focus on project leadership and pragmatic outcomes. As a mid-sized firm, Cornerstone Earth Group positions itself within the civil engineering sector by offering multidisciplinary support across planning, design, and development.

Section iconCompany Overview

Phone number
+1-408-245-****
Website
cornerstoneearth.com
SIC Code
1799 - Special Trade Contractors, Not Elsewhere Classified
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
2007
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    Cornerstone Earth Group, Inc.'s revenue is estimated to be in the range of $25M - $50M

Company Leadership

  • Non Executive Director at Cornerstone Earth Group, Inc.
    G. C.
    Non Executive Director
    Mobile Phone
  • Controller at Cornerstone Earth Group, Inc.
    K. M.
    Controller
    Mobile Phone

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