Insights

Water infrastructure Strong focus on water resources and dam-related projects, including recent activity around dam improvements and upstream/downstream modeling, indicating opportunities for civil and hydropower sector services.

Heavyweight client base Revenue scale and project breadth suggest McMillen operates at a mid-market level with potential for expanded engagements in design, construction support, and project management across water resources and related civil infrastructure.

Strategic leadership Recent executive promotions in technical services, operations, and market leadership signal a growth-oriented stance, creating openings for senior-level collaborations on complex water projects.

Geographic expansion Appointment of a Canada market lead and ongoing U.S. project activity point to a dual focus on domestic and cross-border opportunities, ideal for firms offering cross-border compliance, design review, and implementation services.

Recognition & leverage Industry award for engineering excellence enhances credibility; coupled with a recent lawsuit potential risk, presenting a chance to position complementary risk mitigation, claims support, and project delivery optimization services.

Similar companies to McMillen

McMillen Tech Stack

McMillen uses 8 technology products and services including MATLAB, Adobe Creative Cloud, SOLIDWORKS, and more. Explore McMillen's tech stack below.

Media & News

McMillen's Email Address Formats

McMillen uses at least 6 email formats:
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.

How much revenue does McMillen generate?

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As of August 2026, McMillen's annual revenue is estimated to be $50M - $100M.

What is McMillen's NAICS code?

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McMillen's NAICS code is 5413 - Architectural, Engineering, and Related Services.

How many employees does McMillen have currently?

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As of August 2026, McMillen has approximately 260 employees across 2 continents, including North America and Europe. Key team members include Market Lead, Canada: M. D., Project Manager: M. T. and 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 Engineering Services industry.

What technology does McMillen use?

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McMillen's tech stack includes MATLAB, Adobe Creative Cloud, SOLIDWORKS, Microsoft SharePoint, Bluebeam, Sage, Smartsheet and ArcGIS.

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

Engineering ServicesIdaho, 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
5413 - Architectural, Engineering, and Related Services
Founded
2004
Employees
201-500

Section iconFunding & Financials

  • $50M - $100M

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

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