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577 organizations

Companies

Madrone

Technology · San Francisco

Developing dew-point cooling systems for data centers to reduce cooling electricity and water demand.

Companies

Maingen

Technology · San Francisco

Simulation environments for training AI agents to manage industrial operations such as power plants, factories and data centers.

Companies

Marengo

Technology · San Francisco

Engineering services using internal AI tools to accelerate data center feasibility, design and permitting work.

Technology · San Francisco

Developing fusion reactors for maritime and off-grid power, alongside high-temperature superconducting cable technology.

Data infrastructure semiconductor company · Santa Clara, California, United States

Semiconductors and connectivity platforms for AI, cloud, carrier, enterprise and automotive infrastructure.

Data centersArtificial intelligence infrastructureCloud computing

Technology · Boston, Massachusetts

Manufacturing permanent magnets from recycled rare-earth materials for motors, robotics and industrial equipment.

Companies

MasTec

Specialty infrastructure engineering and construction · Coral Gables, Florida, United States

Public North American contractor engineering, building, installing, maintaining and upgrading communications, energy and utility infrastructure.

CommunicationsPower deliveryClean energy
Companies

MaverickX

Technology · Austin, TX

Chemical technologies for improving resource recovery from oil reservoirs and mineral ores.

Companies

McCarthy

General contractor and infrastructure builder · St. Louis, Missouri, United States

Employee-owned national builder serving water, transportation, marine, renewable energy, industrial and institutional markets.

Water and wastewaterTransportationMarine and ports

Management consulting and infrastructure advisory · Global organization founded in the United States

Global management consultancy supporting infrastructure strategy, investment, capital-project delivery, operations, and transformation.

TransportationEnergy and utilitiesDigital infrastructure
Companies

McWane

Waterworks and critical-infrastructure products manufacturer · Birmingham, Alabama, United States

Family-owned manufacturer of waterworks, plumbing, fire-protection and pressure-vessel products.

Water and wastewaterUtilitiesFire protection
Companies

Mead & Hunt

Engineering and Design · United States

Architecture, engineering, planning and construction services for transportation, water, aviation, energy and public infrastructure.

TransportationWater and wastewaterAviation
Companies

Meridiam

Infrastructure investment and asset management · Paris, France

Long-term developer, investor and manager of sustainable public infrastructure.

Sustainable mobilityCritical public servicesInnovative low-carbon solutions

Engineering & Design · Greenwood Village, Colorado

Employee-owned engineering, architecture, geospatial and technology services for infrastructure, energy and national-security markets.

TransportationWater & WastewaterEnergy & Power
Government & Public Agencies

Metra

Public Agency · Illinois

Transit agency focused on commuter rail infrastructure, stations and fleet facilities in Illinois.

Rail & Transit
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