Public engineering firm directory

Find engineering consulting firms by capability and location.

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ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

Clean Energy Systems, Inc.

Rancho Cordova, CA

CES offers the world's lowest cost products for carbon-free combustion.

WebsitePhone1 office1 projects7 leaders9 credentials1 publications

Project: ZEUS - Zero Emission Power Station Demo FEED

Service: Oxy-Fuel Combustion TechnologyService: Direct Steam Gas GeneratorsService: Platelet Burner TechnologyIndustry: Power GenerationIndustry: IndustrialType: Aerospace Engineering+14 more

HENECO Engineering and Consulting, LLC

Engineering solutions delivered today, with tomorrow in mind.

Website2 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Infrastructure Engineering

Service: Infrastructure EngineeringService: Roads and bridge engineeringService: Water and wastewater engineeringIndustry: Oil & GasIndustry: PetrochemicalType: Civil Engineering+59 more

OHM Engineers PLLC

Utility projects can be complicated, particularly when internal staff resources are retiring or being outsourced. You need a trusted partner who understands your standards, goals, technical scope, schedule and budget to take on critical operations and management functions and guide your project to successful completion. OHM Engineers can be your trusted partner. We understand the electric utilities market, it is changing dynamics and the cumbersome technical and regulatory issues utilities face when pursuing new projects. We do power system studies, implement design, engineering, testing and commissioning support, owners engineering and compliance solutions for complex initiatives, including transmission and distribution studies, substations, protection and controls, telecommunications, energy efficiency and renewable solar, onshore and offshore distributed energy resource opportunities.

WebsiteUpdated Jun 2026

Service detail: Power Systems Engineering

Service: Power Systems EngineeringService: Power System StudiesService: SubstationsIndustry: Automation & ControlsIndustry: Electric UtilitiesType: Owner's Engineer+16 more

Ramboll

Bright ideas. Sustainable change.

Website8 projects8 leaders5 credentials3 publicationsFounded 1945Size Estimate: 18,000 employees

Project: Transforming a coal-fired power plant site into a low-carbon digital hub

Service: Engineering and Design ServicesService: Structural EngineeringService: Mechanical and Electrical EngineeringIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Architecture & Engineering+44 more