Name

McMillen

Legal name

McMillen, Inc.

Website

https://mcmillen.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Water Resource Engineering Services

NAICS

Water Supply and Irrigation Systems (22131)

SIC

Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Hydropower Plant EPC (Dam, Run-of-River, Pumped Hydro Civil Works) (EUAEAAAD)

akta.pro secondary industries

Hydropower EPC & Construction (Civil Works, Electromechanical) (EUACAEAF), Hydro BOP Civil & Water Conveyance (Dams, Spillways, Penstocks, Canals) (EUAMAFAG), Construction Management & Delivery (EPCM/CMAR/Design-Build Oversight) (EUANALAE)

Keywords

• Water resource engineering
• Hydroelectric design build
• Dam safety services
• Fish passage systems
• Environmental restoration services

Headquarters

HQ city

Boise

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Engineering and Design Services: Professional engineering services including design, engineering during construction, environmental/permitting, and technical consulting for water resource, hydroelectric, and infrastructure projects.
2. Construction Services: Self-performed construction services including design-build delivery, alternative delivery methods (CM/GC, CMAR, EPC), and general contracting for dams, hydroelectric facilities, fish hatcheries, and infrastructure projects.
3. Dam Safety and Consulting Services: Ongoing dam safety inspections, FERC Part 12D reviews, Chief Dam Safety Engineer services, emergency action plans, and compliance consulting under MSA/IDIQ contracts.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

McMillen is an integrated engineering and self-performed construction firm specializing in water resource infrastructure projects. The company delivers design-build, engineering, environmental, and construction services across five markets—Dams, Energy (hydropower and pumped storage), Fisheries (aquaculture and fish passage), Infrastructure (water control, treatment, transportation), and Natural Resources (dam removal, restoration, water resource planning)—primarily for electric utilities, public utility districts, federal/state agencies, tribal nations, and select private clients in North America.

Product overview

McMillen is a 100% employee-owned engineering and construction firm with 22 years of experience, specializing in water resource infrastructure projects. The company operates across five core markets: Dams (design, build, and safety), Energy (hydropower and pumped storage), Fisheries (aquaculture and fish passage), Infrastructure (water control, treatment, and transportation), and Natural Resources (dam removal, restoration, and water resource planning). McMillen provides integrated services combining design/engineering, environmental services, and construction delivery. The portfolio includes over 240 dam-related projects and 80% repeat clients. Services are delivered through various delivery methods including design-build, EPC, CM/GC, and professional services contracts.

Differentiator

Problem solved

Functional benefit

Products and services

• Dam Design & Build Engineering and construction services for new dam construction, including site analysis, permitting, comprehensive design, and self-performed construction and commissioning, for utility, government, and private clients.
• Dam Safety Dam safety inspections, FERC Part 12D reviews, condition assessments, stability analyses, emergency action plans, and dam safety consulting services for hydroelectric and water infrastructure owners.
• Hydropower & Pumped Storage Engineering services for hydroelectric facilities including new hydropower development, turbine and generator upgrades, pumped storage projects, and facility rehabilitation for utility and government clients.
• Regulatory & Licensing FERC licensing and relicensing services, regulatory compliance support, environmental permitting, and stakeholder coordination for hydroelectric and water infrastructure projects.
• Aquaculture Fish hatchery design, construction, and upgrades including incubation systems, rearing tanks, water supply infrastructure, and waste management systems for tribal, state, federal, and utility clients.
• Fish Passage Fish passage facility design including upstream and downstream passage, trap-and-haul facilities, fish ladders, fish screens, and fish bypass systems for hydropower, dam, and infrastructure clients.
• Water Control & Delivery Water control structure design including gates, valves, intake structures, outlet works, and water delivery systems for irrigation, municipal supply, and infrastructure owners.
• Water Treatment Water treatment facility engineering and design services for municipal and industrial water systems.
• Transportation Transportation infrastructure services including bridge design, rehabilitation, wildlife crossings, and structural upgrades for state departments of transportation and infrastructure owners.
• Dam Removal & Decommissioning Dam decommissioning and removal services including sediment management, river restoration, and ecosystem recovery planning for utility, tribal, nonprofit, and government clients.
• Restoration Environmental restoration services including habitat restoration, watershed restoration, riparian area restoration, and ecological enhancement for federal, state, tribal, and nonprofit clients.
• Water Resource Planning Comprehensive water resource planning including water balance analysis, reservoir operations, and integrated water management strategies for utility, tribal, and government clients.
• Design & Engineering Multidisciplinary engineering services including civil, structural, mechanical, electrical, hydraulic, and geotechnical engineering for water resource projects across dams, hydropower, fisheries, infrastructure, and natural resource markets.
• Environmental Services Environmental assessment, permitting, natural resource studies, and environmental compliance monitoring for water resource infrastructure projects.
• Construction Services Self-performed construction services including site work, concrete placement, mechanical and electrical installation, and project commissioning for dams, hydroelectric facilities, fish hatcheries, and infrastructure projects.

Quantifiable outcome

• Klamath River Renewal Program: Salmon returning to river within months of final dam removal in September 2024, exceeding scientists' expectations
• +7 more outcomes

Named customers19 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered flagship, core and minor.

• Klamath River Renewal CorporationflagshipStrategic or Co-development PartnerMcMillen served as Owner’s Representative for the Klamath River Renewal Program, the largest dam removal and river restoration effort in North American history. This $504 million program involved decommissioning and removal of four hydroelectric dams (J.C. Boyle, Copco No. 1, Copco No. 2, and Iron Gate) to restore 400+ miles of historic spawning habitat.
• Farmers Conservation AlliancecoreTechnology or IntegrationMcMillen served as design lead for Derby Dam Fish Screen using Farmers Conservation Alliance's patented fish screen technology. The project resulted in the largest horizontal fish screen in North America passing up to 600 cfs. McMillen worked with FCA on collaborative design and implementation.
• Water, Civil, and Environmental, Inc.minorImplementation/ SI/ Consulting PartnerMcMillen collaborated with 8a Mentor-Protégé firm Water, Civil, and Environmental, Inc. as part of a design-build contract for Alviso Pond Levee Rehabilitation project.

Scale indicators9 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• HDR: Engineering firm with deep hydropower and dam expertise, including FERC relicensing, dam safety, and water infrastructure. Directly competes with McMillen for hydroelectric utility and USACE contracts, with similar multidisciplinary delivery model.
• Kleinschmidt Group: Specialized engineering and consulting firm focused on hydropower, fish passage, and aquatic ecology. One of the closest direct competitors to McMillen in FERC licensing and fish passage engineering.
• POWER Engineering Services: Engineering firm specializing in hydropower, dams, and water resources. Direct peer to McMillen in hydroelectric facility design, FERC licensing, and dam safety services.

Broad incumbents

• Tetra Tech: Large engineering and consulting firm with leading water, environment, and dam practices. Competes with McMillen on federal water projects and hydropower work, though at significantly larger scale.
• Stantec: Global engineering professional services firm with significant water, hydropower, and dam practices. Comparable to McMillen in hydropower regulatory and design work, but operates at vastly larger scale and broader geography.
• Jacobs: Major engineering and professional services firm with water and dams as core focus areas. Competes with McMillen for USACE, PUD, and large utility contracts, with substantially greater resources and geographic reach.
• AECOM: Global infrastructure consulting firm with a major water and environment practice. Pursues many of the same federal and utility clients as McMillen for dam, hydropower, and restoration projects.
• Black & Veatch: Large engineering and construction firm with significant hydropower and water infrastructure practices. Competes for the same utility and federal water projects as McMillen, but at greater scale and with broader service portfolio.
• WSP USA: Global engineering professional services firm with growing water and environment practices. Competes with McMillen on hydropower, dam, and water infrastructure programs across North America.

Emerging players

• Gannett Fleming: Engineering firm with established water resources, dam, and transportation practices. Comparable to McMillen in federal/utility water work, with similar mid-size firm structure and employee ownership.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/mcmillencorp

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about McMillen