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Company Profile


Gomez and Sullivan Engineers has been providing specialized engineering, environmental science, and data management services to the water resource and energy sectors since 1993. Our staff of approximately 50 individuals based in New Hampshire and New York includes water resource, civil, structural, geotechnical, electrical, and environmental engineers, as well as environmental scientists, regulatory specialists, ecologists, fisheries biologists, hydrogeologists, geologists, geomorphologists, and GIS specialists. Our core services include dam safety, engineering, hydropower licensing, environmental studies, hydrology and hydraulics, fisheries & fish passage, stream & habitat restoration, and information management and geographic information systems.



Service Category:

Biological Assessments and Surveys

Civil Engineering

Climate Change and Adaptation

EH&S Compliance

Energy Facility Permitting/Siting/Development

Energy Production & Transmission Services

Environmental Due Diligence

Environmental Engineering

Environmental Impact Statements


Geotechnical Engineering

GIS Services


Hydropower Services

Information Technology

Infrastructure Safety/Security

Land Surveying

Land Use Planning

Natural Resources Consulting

Permitting and Regulatory Compliance

Pollution Prevention and Control

Public/Community Relations

Renewable Energy Consulting

Stormwater Management

Water Quality

Water Resource Management

Wetlands Management