Insights

Infrastructure Expertise Graniterock has a long-standing focus on heavy civil construction in California, offering asphalt, concrete, aggregate, paving, grading, underground, green building and general construction services. This suggests potential upsell opportunities for larger highway, airport, and bridge projects, as well as ongoing maintenance and resurfacing programs.

Sustainability & Compliance The company has been recognized for environmental initiatives (Environmental Team of the Year by Mapistry) and faces Clean Water Act compliance matters. Sales opportunities exist in offering environmental management solutions, water quality controls, dust and runoff mitigation technologies, and certified sustainable materials programs to align with regulatory and client ESG goals.

Geographic & Asset Growth Recent expansions and asset investments in Redwood City and related plants indicate capacity growth and a preference for modernized, localized production. This creates opportunities to position new plant equipment, logistics optimization, and regional supply chain services for California projects and neighboring markets.

Workforce & Partnerships Recognition of employee support programs (ESGR Patriot Award) highlights a stable, engaged workforce and potential for vendor partnerships and long-term collaboration on project labor agreements, training programs, and certified skilled trades pipelines to bolster project delivery.

Financial Scale & Opportunity With annual revenue in the hundreds of millions and a broad portfolio across heavy civil disciplines, Graniterock presents opportunities for multi-year, high-value contracts in materials supply, plant services, and turnkey construction solutions, as well as cross-sell to related divisions within the broader heavy construction ecosystem.

Similar companies to Graniterock

Graniterock Tech Stack

Graniterock uses 8 technology products and services including iCIMS, Canva, Tableau, and more. Explore Graniterock's tech stack below.

Media & News

Graniterock's Email Address Formats

Graniterock uses at least 3 email formats:
Graniterock Email FormatsExamplePercentage
FLast@graniterock.comJDoe@graniterock.com
94%
FirstLast@graniterock.comJohnDoe@graniterock.com
5%
First.Last@graniterock.comJohn.Doe@graniterock.com
1%

Frequently Asked Questions

What is Graniterock's phone number?

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You can contact Graniterock's main corporate office by phone at . 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 Graniterock's official website and social media links?

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Graniterock's official website is graniterock.com and has social profiles on LinkedIn.

How much revenue does Graniterock generate?

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As of August 2026, Graniterock's annual revenue is estimated to be $250M - $500M.

What is Graniterock's SIC code and NAICS code?

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Graniterock's SIC code is 5039 - Construction Materials, Not Elsewhere Classified and NAICS code is 23 - Construction.

How many employees does Graniterock have currently?

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As of August 2026, Graniterock has approximately 467 employees across 2 continents, including North America and Europe. Key team members include Chief Financial Officer: E. D., President And Manager: A. W. and President: T. G. Explore Graniterock's employee directory with LeadIQ.

What industry does Graniterock belong to?

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Graniterock operates in the Construction industry.

What technology does Graniterock use?

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Graniterock's tech stack includes iCIMS, Canva, Tableau, Amazon Web Services, Snowflake, Bluebeam, Microsoft Intune and Microsoft Teams.

What is Graniterock's email format?

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Graniterock's email format typically follows the pattern of FLast@graniterock.com. Find more Graniterock email formats with LeadIQ.

When was Graniterock founded?

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Graniterock was founded in 1900.
Graniterock logo

Graniterock

ConstructionCalifornia, United States201-500 Employees

Graniterock is a California-based construction materials and services provider with roots dating back to 1900. The company is headquartered in Watsonville and serves the California construction market, with emphasis on heavy civil projects such as highways, airports, and bridges. Its offerings include asphalt, concrete, aggregate, paving, grading, underground work, green building practices, and general construction services. It is recognized as one of the state's leading heavy civil engineering firms. Graniterock's customers are public and private sector clients pursuing large infrastructure programs in California who require reliable materials and execution. In 2025, the company expanded its facilities to Redwood City, reflecting ongoing investment in its asset base to support ongoing projects.

Section iconCompany Overview

Phone number
SIC Code
5039 - Construction Materials, Not Elsewhere Classified
NAICS Code
23 - Construction
Founded
1900
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    Graniterock's revenue is estimated to be in the range of $250M - $500M

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