Name

MacDonald Miller Facility Solutions

Legal name

MacDonald-Miller Facility Solutions

Website

https://macmiller.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

1,001–5,000 employees

Ownership category

akta.pro rank

Product category

Mechanical Contracting & Facility Solutions

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Electrical Contractors and Other Wiring Installation Contractors (23821), Architectural, Engineering, and Related Services (5413), Electronic and Precision Equipment Repair and Maintenance (8112)

SIC

Services-Facilities Support Management Services (8744), Services-Engineering, Accounting, Research, Management (8700), Electrical Industrial Apparatus (3620)

akta.pro primary industry

HVAC & Refrigeration Contracting (IMAFALAB)

akta.pro secondary industries

Data Center MEP & Commissioning (Electrical, Mechanical, BMS, Integrated Systems Testing) (IMAFAIAH), Medium/Low-Voltage Power Distribution (MCCs, Panels, UPS, Grounding) (EUAEAFAB), MEP (Mechanical, Electrical & Plumbing) Engineering Consulting (BPAHAIAE)

Keywords

• Mechanical contracting services
• HVAC design build
• MEP engineering fabrication
• Building automation controls
• Energy performance contracting

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices14 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: Design-build and plan-and-spec mechanical construction contracts for new builds and major renovations, covering HVAC, plumbing, electrical, and controls installation
2. Service & Maintenance: 24/7 ongoing maintenance contracts for building systems including HVAC, plumbing, electrical, boilers, chillers, and building controls
3. Energy & Sustainability: Performance contracting and ESCO projects delivering energy efficiency upgrades with guaranteed savings

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

MacDonald-Miller Facility Solutions is a design-build mechanical contractor providing integrated mechanical, electrical, and plumbing (MEP) services across the Pacific Northwest. Its core offerings span five service pillars — Design & Preconstruction, Construction, Fabrication & Manufacturing (100,000+ SF prefab shop), Service & Maintenance (24/7 HVAC, plumbing, electrical, controls, boiler, chiller, TAB), and Energy & Sustainability (ESCO performance contracting, building automation, decarbonization) — delivered to enterprise clients in healthcare, commercial/mixed-use, government/education, life science/biotech, industrial, and data center markets.

Product overview

MacDonald Miller Facility Solutions is a comprehensive mechanical contractor offering integrated MEP (mechanical, electrical, plumbing) services across the Pacific Northwest. The company operates as a single-source solution provider with five core service pillars: Design & Preconstruction, Construction, Fabrication & Manufacturing, Service & Maintenance, and Energy & Sustainability. These core services are supported by specialized modules including Detailing (with 3D BIM and prefabrication capabilities), Estimating, Procurement (via MacBuy power app), Building Automation Systems/Controls, Testing/Adjusting/Balancing (TAB), Chiller Services, Boiler Services, HVAC Services, Electrical Services, Plumbing Services, Performance Contracting, and Custom & Specialty Metals Fabrication. The company maintains over 100,000 SF of fabrication shop space and serves markets including commercial/mixed-use, healthcare, government/education, life science/biotech, industrial/manufacturing, and data centers.

Differentiator

Problem solved

Functional benefit

Products and services

• Design & Preconstruction Comprehensive design, preconstruction, fabrication, and planning services for new construction projects, combining engineering, 3D BIM modeling, MEP detailing, estimating, and procurement to ensure efficient project execution for enterprise clients in healthcare, commercial, government/education, life science, and data center markets.
• Construction Full-service mechanical construction managing every phase of building installation with precision, safety, and speed — from ground-up projects to complex system installations — including HVAC, plumbing, electrical, controls, and ductwork for enterprise clients.
• Fabrication & Manufacturing Over 100,000 SF of dedicated shop space offering integrated fabrication and manufacturing services with scale, speed, and flexibility from concept to final assembly, including ductwork, pipe racks, modular assemblies, and custom/specialty metals fabrication.
• Service & Maintenance 24/7 support with preventative care and rapid response for HVAC, plumbing, electrical, controls, boilers, chillers, and TAB services across commercial, healthcare, government, education, industrial, and data center facilities.
• Energy & Sustainability Energy modeling, renewables integration, continuous monitoring, performance contracting (ESCO), and decarbonization services designed to maximize efficiency and minimize carbon footprint for institutional and enterprise customers.

Quantifiable outcome

• Recordable Incident Rate of 0.5 achieved on Seattle Convention Center project vs national average of 3.9
• +4 more outcomes

Named customers18 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

Feature5 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• SiemenscoreTechnology or IntegrationSiemens is a key technology partner for building automation systems. MacDonald-Miller received the 2025 Siemens' Pacific Zone Partner of the Year award and is certified in Siemens platforms including Desigo for critical environments and lab validation suites.
• SkanskacoreStrategic or Co-development PartnerStrategic project partnership on major construction projects including Snoqualmie Casino Expansion (Skanska USA) and Microsoft East Campus (Skanska Balfour Beatty JV).
• Turner ConstructioncoreStrategic or Co-development PartnerGeneral contractor partnership on Dexter Yard 750,000 SF twin tower project in Seattle's South Lake Union.
• Lease Crutcher LewiscoreStrategic or Co-development PartnerGeneral contractor partnership on Rainier Square, Seattle's second tallest tower at 58 stories and 1.2 million SF.
• LMN ArchitectsminorStrategic or Co-development PartnerArchitectural design collaboration on Washington 1000 LEED Gold office tower project.
• SkB ArchitectsminorStrategic or Co-development PartnerArchitectural design collaboration on Dexter Yard project.
• Bergman Walls & AssociatesminorStrategic or Co-development PartnerEngineering consultant partnership on Snoqualmie Casino Expansion.
• FEA Consulting EngineersminorStrategic or Co-development PartnerEngineering consultant partnership on Snoqualmie Casino Expansion.
• AEI EngineeringcoreStrategic or Co-development PartnerEngineering partnership on Seattle Children's Hospital Building Care expansion and Microsoft Thermal Energy Center.
• AmerescocoreStrategic or Co-development PartnerEnergy services partnership on ESCO (Energy Service Company) projects including Seattle Central College campus-wide energy retrofit.
• Arup EngineeringcoreStrategic or Co-development PartnerEngineering collaboration on Seattle Convention Center Summit, where MacDonald-Miller detailers co-located at Arup office for 3D modeling coordination.

Scale indicators10 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Comfort Systems USA: Comfort Systems USA is a publicly traded national mechanical contractor providing HVAC, plumbing, and piping services across commercial and industrial markets. It is a direct peer in design-build mechanical contracting with similar recurring service offerings, broader geographic reach, and a comparable enterprise customer base.
• ACCO Engineered Systems: ACCO Engineered Systems is a Western U.S. design-build mechanical contractor with deep expertise in HVAC, plumbing, and building automation across commercial, healthcare, education, and entertainment markets. It is one of the closest regional peers to MacDonald-Miller with similar integrated design-build-fabricate-service model and similar Pacific Coast/Western footprint.
• Southland Industries: Southland Industries is a national design-build MEP firm specializing in HVAC, plumbing, and electrical for commercial, healthcare, industrial, and mission-critical markets. It mirrors MacDonald-Miller's integrated design-fabricate-install-service capabilities and pursues similar large-scale design-build projects.
• U.S. Engineering Company: U.S. Engineering is one of the largest privately held mechanical contractors in the U.S., providing design-build HVAC, plumbing, and building automation across commercial, healthcare, government, and industrial markets. Comparable to MacDonald-Miller in scale, integrated delivery, and blue-chip customer focus.
• Harris Companies: Harris Companies is a large privately held mechanical contractor delivering design-build MEP solutions across commercial, healthcare, government, and industrial markets nationally. It is comparable to MacDonald-Miller in private ownership structure, integrated offering, and enterprise customer base.
• Holaday-Parks: Holaday-Parks is a Pacific Northwest-based mechanical contractor specializing in design-build HVAC, plumbing, and controls for commercial, healthcare, and industrial customers. It is a direct regional competitor to MacDonald-Miller with overlapping service territory and similar project-based model.
• Shambaugh & Son: Shambaugh & Son is a large privately held design-build mechanical contractor serving commercial, healthcare, food processing, and industrial markets nationally. Comparable to MacDonald-Miller in scale, integrated design-fabricate-service model, and project complexity handled.

Broad incumbents

• EMCOR Group: EMCOR Group is a publicly traded national leader in mechanical and electrical construction, facilities services, and energy solutions. It directly overlaps with MacDonald-Miller's MEP design-build and service offerings across commercial, healthcare, government, and data center end markets, but at much greater scale and geographic breadth.
• APi Group: APi Group is a publicly traded provider of safety, specialty, and industrial services, with a meaningful mechanical services platform serving commercial, industrial, and institutional markets. It competes with MacDonald-Miller in MEP services but operates across a much broader services portfolio and national footprint.
• Burns & McDonnell: Burns & McDonnell is a national engineering, architecture, and construction firm with significant MEP design-build capabilities, particularly in mission-critical, healthcare, and government markets. It overlaps with MacDonald-Miller's engineering-led design-build approach and serves many of the same enterprise and institutional customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/macdonaldmiller
• Facebookfacebook.com/profile.php?id=100063499785517
• LinkedInlinkedin.com/company/macdonald-miller
• Instagraminstagram.com/macdonaldmiller

Compliance3 records

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 MacDonald Miller Facility Solutions