Ninyo & Moore

Overcoming Challenges Through Innovation

Website

About the firm

Ninyo & Moore, an ENR Top 500 Design Firm, is a professional geotechnical and environmental sciences consulting practice. Established in 1986, it provides specialized services in geotechnical engineering, engineering geology, geophysics, hydrogeology, materials testing, environmental sciences, industrial hygiene, and occupational safety. The practice supports public and private sector clients throughout all phases of a project, from planning and design through construction.

Established
1986
Firm type
Geotechnical Engineering · Environmental Engineering · Forensic Engineering · Materials Testing

People

Avram NinyoPresident/Principal Engineer

Capabilities

Geotechnical Engineering

Provides comprehensive geotechnical analysis and engineering geology services to support the safe design and construction of diverse civil works and structures.

  • Engineering Geology

    Evaluates geological conditions, hazards, and faulting to support safe project planning and hazard mitigation.

  • Geophysics

    Utilizes non-invasive subsurface imaging and measurement techniques to characterize ground and rock conditions.

  • Hydrogeology

    Assesses groundwater resources, seepage, and hydrogeologic conditions to support design and environmental compliance.

Environmental Sciences

Delivers practical solutions to environmental challenges, helping clients navigate regulatory compliance and manage contamination issues.

  • Environmental Engineering

    Designs and manages systems for environmental protection, waste management, and site development.

  • Soil and Groundwater Contamination Assessment

    Performs comprehensive investigations to detect, delineate, and evaluate subsurface pollutants.

  • Site Remediation

    Formulates and implements remediation actions to restore contaminated soils and groundwater.

  • Hazardous Building Materials

    Identifies and assesses hazardous substances like asbestos and lead paint within structures scheduled for renovation or demolition.

Construction Inspection & Testing

Offers quality control and quality assurance inspections alongside materials testing to verify compliance with design specifications.

  • Special Inspection

    Provides field observation and testing for critical structural elements like reinforced concrete, structural masonry, and welding.

  • Soil and Materials Testing

    Evaluates the physical properties of soils, concrete, asphalt, and other building materials.

  • Laboratory Testing

    Utilizes state-of-the-art laboratory testing facilities to analyze and verify construction materials.

Industrial Hygiene and Occupational Safety

Evaluates and controls workplace health risks, ensuring compliance with health, safety, and environmental standards.

  • Industrial Hygiene

    Measures and manages exposure to chemical, physical, and biological agents in the workplace.

  • Occupational Safety

    Develops programs and conducts audits to maintain high safety standards across worksites.

Forensic Engineering & Expert Witness

Investigates material and structural failures, providing detailed forensic reports and expert testimony for legal disputes.

Geographic Information Systems (GIS)

Provides advanced spatial mapping, data analysis, and geographic visualization to support planning and project execution.

Drone Services - UAS

Utilizes unmanned aerial systems for precise site mapping, aerial imaging, and topography evaluations.

Industries

Commercial · Industrial · Transportation · Airports · Bridges · Water Supply · Wastewater · Water Resources · Education · Healthcare · Waste Management · Power Generation · Power Transmission & Distribution · Tunnels · Defense · Mining · Land Development

Projects

Oakvale Road Realignment

California · Transportation · 2026

Project details

Roadway realignment project which received the 2026 ACEC California Engineering Excellence Awards Merit Award.

Davis Aqueduct Parallel Pipelines

Water Supply

Project details

Water infrastructure development involving engineering assessments and planning for parallel pipelines.

Oceanside Pier Demolition

California · Marine

Project details

Engineering support and assessment services during the demolition phases of the historic Oceanside Pier.

Long Beach Airport Phase II Terminal Area Improvements

California · Airports

Project details

Geotechnical evaluations and materials testing to support the expansion and improvement of the terminal area at Long Beach Airport.