Insights

Expansion & Growth McMillen is actively expanding its footprint, evidenced by new market leadership in Canada and ongoing engagements with large infrastructure projects in the US. This presents opportunities to offer project management, design-build collaboration, and software-enabled hydrology/water resources services to both existing and prospective clients looking to scale.

Water Resources Mastery With a focus on water resource engineering, dam improvements, and hydropower infrastructure, McMillen can position offerings around high-value services such as watershed analysis, reservoir modeling, structural assessments, and digital twin solutions to optimize performance and compliance.

StrongAwards & Talent Recent promotions and a top engineering award underscore leadership depth and technical credibility. This can be leveraged to engage clients around complex technical deliverables, risk management, and trusted expert partnerships for major water infrastructure programs.

Strategic Partnerships Partnership activity with Whiteout Solutions for elevation modeling and collaboration with AWS or eTrac divisions signals potential for integrated geospatial, surveying, and BIM-enabled workflows. Propose end-to-end data-to-design services and joint proposals for large dam and river basin projects.

Regional Growth & Canada Market Hiring a Market Lead for Canada indicates a deliberate push into Canadian water and hydropower sectors. Target opportunities include cross-border infrastructure modernization, regulatory-compliant design services, and localizing project delivery to win public tenders and private-sector collaborations.

McMillen Tech Stack

McMillen uses 8 technology products and services including Adobe, HydroCAD, HEC-HMS, and more. Explore McMillen's tech stack below.

  • Adobe
    Audio, Video, Graphics
  • HydroCAD
    Cad & Graphics
  • HEC-HMS
    Data Management
  • SAM.gov
    Governance, Risk And Compliance
  • jQuery
    Javascript Libraries
  • LinkedIn
    Online Community Software
  • Navan
    Travel And Expense Management
  • Facebook
    Widgets

Media & News

McMillen's Email Address Formats

McMillen uses at least 2 format(s):
McMillen Email FormatsExamplePercentage
First.Last@mcmillen-llc.comJohn.Doe@mcmillen-llc.com
91%
Last@mcmillen-llc.comDoe@mcmillen-llc.com
6%
Last.First@mcmillen-llc.comDoe.John@mcmillen-llc.com
3%
Last@mcmillen.comDoe@mcmillen.com
86%
FLast@mcmillen.comJDoe@mcmillen.com
9%
FirstLast@mcmillen.comJohnDoe@mcmillen.com
5%

Frequently Asked Questions

What is McMillen's phone number?

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

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McMillen's official website is mcmillen.com and has social profiles on LinkedIn.

What is McMillen's NAICS code?

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McMillen's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does McMillen have currently?

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As of July 2026, McMillen has approximately 256 employees across 2 continents, including North AmericaEurope. Key team members include Market Lead, Canada: M. D.Project Manager: M. T.Proposal Manager: K. O.. Explore McMillen's employee directory with LeadIQ.

What industry does McMillen belong to?

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McMillen operates in the Civil Engineering industry.

What technology does McMillen use?

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McMillen's tech stack includes AdobeHydroCADHEC-HMSSAM.govjQueryLinkedInNavanFacebook.

What is McMillen's email format?

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McMillen's email format typically follows the pattern of First.Last@mcmillen-llc.com. Find more McMillen email formats with LeadIQ.

When was McMillen founded?

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McMillen was founded in 2004.
McMillen logo

McMillen

Civil EngineeringIdaho, United States201-500 Employees

McMillen is a civil engineering firm based in Boise, Idaho, with a primary focus on water resources and related infrastructure. As a midsize organization, it treats client projects as its own, emphasizing rigorous design and meticulous execution while embedding quality and safety into daily practice. Its work encompasses planning, analysis, and construction support for projects that aim to manage water resources for public and private sector clients. In late 2024, McMillen collaborated with Whiteout Solutions and Woolpert's eTrac division to develop a high-resolution elevation model of the Ela Dam and its upstream and downstream extents. This engagement underscores the firm’s involvement in complex dam-related water resources projects and its capacity to work with partner organizations.

Section iconCompany Overview

Phone number
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
2004
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    McMillen's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    McMillen's revenue is estimated to be in the range of $50M$100M

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