Insights

Established Expertise Leighton & Associates has a long-standing history since 1961 specializing in engineering geology with an expanding portfolio including soils engineering and environmental remediation, positioning them as a comprehensive provider in the civil engineering sector and a potential partner for complex infrastructure projects.

Strong Market Position With a revenue estimated between one and ten billion dollars and around 51-200 employees, the company operates at a significant scale comparable to industry leaders, indicating ample opportunities to engage with large public and private sector clients needing specialized geotechnical services.

Technological Integration Utilizing an array of modern web and digital tools such as Yoast SEO and Nginx, Leighton & Associates demonstrates its commitment to technological adoption, which offers opportunities to collaborate on innovative, tech-driven projects or digital solution integrations.

Potential for Growth As part of the Leighton Group alongside other sizable firms with extensive employee bases, there may be opportunities to approach the company for project collaborations, joint ventures, or service expansion initiatives within the civil engineering and environmental sectors.

Industry Network Positioned among well-known competitors like WSP and AECOM, Leighton & Associates is embedded in a broad industry network, providing avenues for strategic partnerships, subcontracting, or subcontractor opportunities for specialized geotechnical and environmental services.

Leighton and Associates, Inc Tech Stack

Leighton and Associates, Inc uses 8 technology products and services including cdnjs, RSS, MySQL, and more. Explore Leighton and Associates, Inc's tech stack below.

  • cdnjs
    Content Delivery Network
  • RSS
    Content Management System
  • MySQL
    Database
  • Font Awesome
    Font Scripts
  • Slick
    Javascript Libraries
  • WP Engine
    Platform As A Service
  • Yoast SEO
    Search Engines
  • Contact Form 7
    Web Platform Extensions

Media & News

Leighton and Associates, Inc's Email Address Formats

Leighton and Associates, Inc uses at least 1 format(s):
Leighton and Associates, Inc Email FormatsExamplePercentage
FLast@leightongroup.comJDoe@leightongroup.com
78%
First.Last@leightongroup.comJohn.Doe@leightongroup.com
10%
Last@leightongroup.comDoe@leightongroup.com
6%
First@leightongroup.comJohn@leightongroup.com
6%

Frequently Asked Questions

Where is Leighton and Associates, Inc's headquarters located?

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Leighton and Associates, Inc's main headquarters is located at United States. The company has employees across 3 continents, including North AmericaAsiaEurope.

What is Leighton and Associates, Inc's official website and social media links?

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Leighton and Associates, Inc's official website is leightongroup.com and has social profiles on LinkedIn.

What is Leighton and Associates, Inc's NAICS code?

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Leighton and Associates, Inc's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Leighton and Associates, Inc have currently?

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As of February 2026, Leighton and Associates, Inc has approximately 47 employees across 3 continents, including North AmericaAsiaEurope. Key team members include President & Technical Director: B. L.Principal Geologist/Managing Director: P. B.Design Manager: L. M.. Explore Leighton and Associates, Inc's employee directory with LeadIQ.

What industry does Leighton and Associates, Inc belong to?

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Leighton and Associates, Inc operates in the Civil Engineering industry.

What technology does Leighton and Associates, Inc use?

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Leighton and Associates, Inc's tech stack includes cdnjsRSSMySQLFont AwesomeSlickWP EngineYoast SEOContact Form 7.

What is Leighton and Associates, Inc's email format?

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Leighton and Associates, Inc's email format typically follows the pattern of FLast@leightongroup.com. Find more Leighton and Associates, Inc email formats with LeadIQ.

Leighton and Associates, Inc

Civil EngineeringUnited States11-50 Employees

Leighton and Associates is a Leighton Group (LGI) company.  Founded in 1961 providing only engineering geology, services and markets have been expanded to include soils engineering, environmental assessments and remediation, special inspection, source inspection, and materials testing.  

Providing our clients with exceptional results is attributed to our workforce of professional geotechnical and civil engineers, professional geologists, certified engineering geologists, field technicians, and inspectors.

We strive to hire and retain those individuals who are inspired to provide solutions you can build on.  Visit our website to see all open positions. 

Leighton Consulting, another LGI company, provides the same services for our public agency and non-residential developer clients.

Section iconCompany Overview

Headquarters
United States
NAICS Code
237 - Heavy and Civil Engineering Construction
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1B$10B

    Leighton and Associates, Inc's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Leighton and Associates, Inc's revenue is estimated to be in the range of $1B$10B

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