Insights

Strong foothold Mid-sized construction firm in Silicon Valley with diverse services (underground utilities, soils testing, fill site management) and a revenue range of 50-100 million, indicating scalable project opportunities and potential for larger contracts.

Safety & training Emphasis on safety and extensive employee training positions Preston as a reliable partner for complex, high-risk projects, suggesting they may value long-term relationships and mandating rigorous compliance on site.

Industrial capabilities Specialized licenses and service lines (Pipelines, Electrical, DirtMarket) imply cross-sell potential across multiple trades within the same client base, enabling bundled solutions for infrastructure and utilities work.

Tech-forward culture Presence of modern tech stack elements and a Silicon Valley Best Place to Work accolade signal a culture open to innovation and collaboration, which can be leveraged for digital project management, data-driven bidding, and vendor partnerships.

Growth signals Revenue scale and regional focus in Milpitas with 201-500 employees suggest capacity for larger, repeat-hire projects; pursue tier-one or mid-market collaboration opportunities with larger general contractors seeking trusted subcontractors.

Preston Companies Tech Stack

Preston Companies uses 8 technology products and services including Instagram, AutoCAD, oEmbed, and more. Explore Preston Companies's tech stack below.

  • Instagram
    Advertising
  • AutoCAD
    Cad & Graphics
  • oEmbed
    Dev Tools
  • Bluebeam
    Document Management Systems
  • Pardot
    Marketing
  • Google Tag Manager
    Tag Management
  • Perfmatters
    Web Platform Extensions
  • Nginx
    Web Servers

Preston Companies's Email Address Formats

Preston Companies uses at least 2 format(s):
Preston Companies Email FormatsExamplePercentage
FLast@prestonpipelines.comJDoe@prestonpipelines.com
82%
First.Last@prestonpipelines.comJohn.Doe@prestonpipelines.com
13%
LFirst@prestonpipelines.comDJohn@prestonpipelines.com
3%
FiLast@prestonpipelines.comJoDoe@prestonpipelines.com
2%
FLast@prestonco.comJDoe@prestonco.com
94%
Last@prestonco.comDoe@prestonco.com
6%

Frequently Asked Questions

What is Preston Companies's phone number?

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You can contact Preston Companies'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 Preston Companies's official website and social media links?

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Preston Companies's official website is prestonco.com and has social profiles on LinkedIn.

How much revenue does Preston Companies generate?

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As of July 2026, Preston Companies's annual revenue is estimated to be $50M - $100M.

What is Preston Companies's NAICS code?

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Preston Companies's NAICS code is 23 - Construction.

How many employees does Preston Companies have currently?

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As of July 2026, Preston Companies has approximately 226 employees across 5 continents, including North AmericaEuropeAfrica. Key team members include Vice President: P. G.Director Of Operations Technology: J. S.Operations Manager: G. C.. Explore Preston Companies's employee directory with LeadIQ.

What industry does Preston Companies belong to?

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Preston Companies operates in the Construction industry.

What technology does Preston Companies use?

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Preston Companies's tech stack includes InstagramAutoCADoEmbedBluebeamPardotGoogle Tag ManagerPerfmattersNginx.

What is Preston Companies's email format?

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Preston Companies's email format typically follows the pattern of FLast@prestonpipelines.com. Find more Preston Companies email formats with LeadIQ.
Preston Companies logo

Preston Companies

ConstructionCalifornia, United States201-500 Employees

The Preston Companies is a mid-size construction firm based in Milpitas, California, that focuses on utilities installation and earthwork services. Its work encompasses excavating and installing underground wet and dry utilities, along with soils testing and management and fill site oversight. The company emphasizes building relationships with clients through consistent service, integrity, and quality, supported by a professional staff that aims to understand and address project needs. It operates through three brands—Preston Pipelines, Preston Electric, and DirtMarket—covering pipelines, electrical work, and related earthmoving activities. 

In the California construction sector, Preston Companies positions itself as a provider of integrated underground utilities and site-management solutions for complex projects. Safety is prioritized across its processes, with ongoing training to minimize incidents and uphold a culture of safety.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Employees
201-500

Section iconFunding & Financials

  • $50M - $100M

    Preston Companies's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Preston Companies's revenue is estimated to be in the range of $50M - $100M

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