Insights

Expansion Momentum INTREN’s growth trajectory as part of the MasTec family, along with recent investments in energized transmission capabilities in Florida, signals expanded project opportunities in utility-scale transmission and grid modernization.

Top-tier Positioning With ENR rankings placing INTREN among top utility and specialty contractors and notable minority business enterprise recognition, there is a clear value proposition for utilities and developers seeking trusted, diverse partners for complex energy infrastructure programs.

Strategic Acquisitions The 2022 Shade Tree Service Co. acquisition and ongoing MasTec affiliation indicate a strategy to broaden service footprint and capabilities, creating cross-sell opportunities in trenching, electrical transmission, and related turnkey projects.

Safety and Quality Historically awarded safety accolades and a culture focused on safety, quality, and performance position INTREN as a low-risk partner for utilities and municipalities pursuing large-scale, regulation-driven infrastructure initiatives.

Technology Enablement Adoption of tools like AutoCAD, SAP, and evolving digital capabilities (including emerging AI usage) suggests strong potential to offer integrated project management, design support, and data-driven efficiency gains to clients modernizing grids.

INTREN, LLC Tech Stack

INTREN, LLC uses 8 technology products and services including AutoCAD, Craft CMS, SAP, and more. Explore INTREN, LLC's tech stack below.

  • AutoCAD
    Cad & Graphics
  • Craft CMS
    Content Management System
  • SAP
    Customer Relationship Management
  • MySQL
    Database
  • Mimecast
    Email Security
  • ChatGPT
    Generative Ai
  • jQuery Migrate
    Javascript Libraries
  • HSTS
    Security

Media & News

INTREN, LLC's Email Address Formats

INTREN, LLC uses at least 1 format(s):
INTREN, LLC Email FormatsExamplePercentage
FLast@intren.comJDoe@intren.com
99%
First.Last@intren.comJohn.Doe@intren.com
1%

Frequently Asked Questions

What is INTREN, LLC's phone number?

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You can contact INTREN, LLC'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 INTREN, LLC's official website and social media links?

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INTREN, LLC's official website is intren.com and has social profiles on LinkedInCrunchbase.

How much revenue does INTREN, LLC generate?

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As of July 2026, INTREN, LLC's annual revenue is estimated to be $250M - $500M.

What is INTREN, LLC's NAICS code?

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INTREN, LLC's NAICS code is 23 - Construction.

How many employees does INTREN, LLC have currently?

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As of July 2026, INTREN, LLC has approximately 571 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: R. S.Cro And User Experience: E. H.Regional Director: M. G.. Explore INTREN, LLC's employee directory with LeadIQ.

What industry does INTREN, LLC belong to?

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INTREN, LLC operates in the Construction industry.

What technology does INTREN, LLC use?

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INTREN, LLC's tech stack includes AutoCADCraft CMSSAPMySQLMimecastChatGPTjQuery MigrateHSTS.

What is INTREN, LLC's email format?

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INTREN, LLC's email format typically follows the pattern of FLast@intren.com. Find more INTREN, LLC email formats with LeadIQ.

When was INTREN, LLC founded?

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INTREN, LLC was founded in 1988.
INTREN, LLC logo

INTREN, LLC

ConstructionIllinois, United States501-1000 Employees

INTREN, LLC is a construction company focused on energy infrastructure, delivering end-to-end services to build and maintain electrical systems for utilities and related clients. It serves a diverse client base including utility companies, private contractors and developers, municipalities, and cooperatives, with safety, quality, and performance guiding its operations. It is headquartered in Union, Illinois, and maintains offices in several states across the United States.

Founded in 1988 by Loretta Rosenmayer as a trenching business, INTREN was acquired by MasTec in 2021, with MasTec identified as a minority-owned company leading in power delivery. In 2025, the company expanded its capabilities by investing in energized transmission assets in Florida to support electric utilities with grid stability and outage management.

Section iconCompany Overview

Phone number
Website
intren.com
NAICS Code
23 - Construction
Founded
1988
Employees
501-1000

Section iconFunding & Financials

  • $250M - $500M

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

Section iconFunding & Financials

  • $250M - $500M

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

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