Greenhorne & O'Mara Consulting Engineers
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Headline: About Us
Civil | Federal | Information Technology & GIS
Security & Hazard Mitigation | Transportation | Water & Environment
Greenhorne & O'Mara (G&O) is a full-service, multidisciplinary consulting engineering firm with a culture of
  • Personalized client service
  • Innovative solutions
  • On-time project delivery

With 17 offices, we serve clients in the private and public sectors on projects located throughout the United States and overseas. Founded in 1950, G&O is an employee-owned firm that is consistently ranked by Engineering News Record among the top 25 percent of architectural/engineering design firms in the United States.

Our large and diversified staff of more than 650 knowledgeable and quality-oriented employees offers our clients a broad spectrum of engineering expertise.

Civil Engineering
  • Planning - Site and Master Plans
  • Military Planning
  • Landscape Architecture
  • Site Infrastructure - SWM/Roadways/Water/E&S
  • Surveys & GPS Services
  • Site Infrastructure and Civil Engineering Design
Related Link:
Civil Projects

Federal
  • Military Master Planning
  • Surveying
  • Design/Build
  • GIS Services
  • NEPA Determinations
  • HazMat Surveys
  • Water Resources Planning and Engineering
  • Antiterrorism/Force Protection Services
  • Hazard Mitigation
Related Links:
Federal Projects | Information Technology & GIS

Information Technology & GIS
  • Web-based information/intelligence management systems
  • Geographic Information System (GIS) and geospatial content
  • Semantic, metadata and information exchange models
  • Executive dashboards, decision support systems and data warehouse systems
  • Enterprise architecture and system integration
  • Enterprise 2.0 (E2.0) collaboration, search and dissemination capabilities
  • Information visualization
Related Links:
IT & GIS Projects | IT & GIS Services

Security & Hazard Mitigation
  • Developing crisis management, emergency response, and emergency operations plans and programs, and evacuation plans
  • Conducting vulnerability assessments
  • Designing and conducting training and exercises nationally and internationally for public and private sector clients
  • Emergency Operations Center (EOC) design support
  • Public outreach
  • Business and operation continuity
  • Geographic Information System (GIS) services
  • Grant funding and management
  • Anti-terrorism Force Protection (ATFP)
  • Transportation Services
  • Transportation Planning
  • Traffic Engineering
  • Highway Design
  • Bridge and Structural Design
  • Construction Engineering and Inspection
  • Coatings Consulting and Inspection
Related Links:
Security & Hazard Mitigation Projects | G&O Hazard Mitigation Services (PDF) | Part-time opportunities on G&O FEMA contracts
FEMA MAT | MAT Expert Database | Information Technology & GIS

Transportation
  • Transportation Planning
  • Traffic Engineering
  • Highway Design
  • Bridge and Structural Design
  • Construction Engineering and Inspection
  • Coatings Consulting and Inspection
Related Link:
Transportation Projects | Information Technology & GIS

Water & Environment
  • Environmental Planning
  • Environmental Compliance/Permitting
  • Environmental Engineering
  • Water Resources Engineering
  • Security & Hazards Mitigation and Engineering
  • Government Facilities & Housing Studies & Design
  • GIS Services/Floodplain Mapping
Related Links:
Water & Environment Projects | Environmental Sciences Services
Information Technology & GIS


Featured Project
I-95 Wilmington Viaduct

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