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825 organizations

Utility · Hawaii, United States

Hawaiian Electric: electric service, island power systems and grid infrastructure.

Energy & Power

Construction · Arizona, United States

Haydon Companies: heavy civil, building and infrastructure construction.

Construction & Engineering

Engineering · United States

Hazen and Sawyer: water and wastewater engineering, treatment and utility planning.

Water & Wastewater
Companies

HDR

Engineering & Design · Omaha, Nebraska, United States

Engineering, architecture and environmental services.

TransportationWater & WastewaterHealthcare

Technology · San Francisco, California

Data evaluation and quality-control tools for physical AI and robotics training pipelines.

Industrial & Manufacturing
Companies

Helonic

Technology · New York City, New York

Construction drawing review software that identifies clashes and inconsistencies and helps teams prepare requests for information.

Construction & Engineering
Companies

HERA

Engineering review and industrial documentation software · San Francisco, California, United States

Software for engineering drawing checks, revision comparison and cited technical-document review before fabrication or construction.

Construction & EngineeringIndustrial & ManufacturingOil & Petrochemicals

Enterprise compute, networking, hybrid cloud and AI infrastructure · Spring, Texas, United States

Enterprise servers, supercomputing, networking and hybrid-cloud infrastructure

Data centersArtificial intelligenceCloud and hybrid IT
Companies

Hexagon

Measurement, positioning and geospatial technology · Stockholm, Sweden

Global measurement and geospatial technology company serving infrastructure, heavy construction, transportation, utilities and public safety.

Heavy constructionTransportationUtilities and communications
Companies

HICO America

Manufacturer · United States

HICO America: high-voltage power equipment and grid infrastructure solutions.

Energy & Power
Companies

HNTB

Engineering & Design · Kansas City, Missouri, United States

Transportation engineering and planning.

Bridges & TunnelsRoads & HighwaysRail & Transit

Engineering · United States

Hoch Consulting: water, wastewater and recycled water engineering and consulting.

Water & Wastewater
Government & Public Agencies

Hoh Indian Tribe

Public Agency

Federally recognized tribal government on Washington’s Olympic Peninsula with community, natural-resource and public-infrastructure responsibilities.

Energy & PowerPublic Infrastructure
Companies

Honeywell

Automation and infrastructure technology · Charlotte, North Carolina, United States

Global automation company serving building, industrial and process infrastructure.

BuildingsData centersIndustrial facilities
Companies

Horizontal

Technology · San Francisco

AI agents for factory planning, quality and order coordination.

Industrial & Manufacturing
Companies

Horrocks

Engineering · United States

Horrocks: transportation engineering, infrastructure design, surveying and construction management.

Transportation
Companies

HR Green

Engineering · United States

HR Green: transportation, water, municipal and land development engineering.

Construction & Engineering

Materials and Manufacturing · Shelton, Connecticut, United States

Manufacturer of utility and electrical solutions for grid, industrial and critical-infrastructure applications.

Electric transmission and distributionGrid communications and controlsRenewable energy

Technology · Las Vegas, US

Satellite connectivity designed to link Bluetooth-enabled devices beyond cellular coverage.

Telecommunications & Broadband
Companies

HUESKER

Manufacturer · International

HUESKER: geosynthetics for civil engineering, environmental and infrastructure applications.

Materials & Manufacturing
Companies

HyLight

Technology · Paris, FR

Uncrewed airships for inspecting pipelines, power lines and railways, including leak and vegetation-risk surveys.

Energy & Power
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