Business Details
50+ Years
experience
Expert Engineering & Environmental Consulting Services
Since 1946, Converse Consultants has delivered professional services in geotechnical engineering, engineering geology, groundwater sciences, environmental sciences, and soils and materials testing. Our mission centers on providing responsive, quality services to develop long-term relationships with public agencies and private sector clients across transportation, water/wastewater, education, residential, and commercial markets. As an employee-owned corporation, our success stems from a culture prioritizing client satisfaction, well-trained staff, high retention rates, and openness to innovation.Our geologists and engineers specialize in soils investigations, fault studies, landslide analysis, and liquefaction evaluations, while our geotechnical laboratories offer nationwide testing services. The Building Sciences team addresses asbestos, lead paint, radon, mold, and indoor air quality concerns. With offices in California, Nevada, Arizona, Pennsylvania, and beyond, we combine decades of expertise with cutting-edge technologies to meet evolving industry demands.
Services
Geotechnical Engineering
Environmental Services
Materials Testing
Building Sciences
Seismic Hazard Analysis
Subsurface Investigation
Remediation Services
Industrial Hygiene
Sustainable Development
Expert Witness
Details
- Year established: 1946
Highlights and features
- We offer 78 years of experience in geotechnical and environmental consulting
- Our employee-owned structure ensures dedicated client service and expertise
- We provide nationwide laboratory testing and inspection services
- Our team specializes in seismic hazard and faulting analysis
- We maintain compliance with evolving regulatory standards
Services
Geotechnical Engineering
Our geotechnical engineers evaluate earth materials to ensure project viability. We conduct subsurface investigations, foundation design, and slope stability assessments. Our expertise in seismic hazards and faulting analysis supports infrastructure resilience.
Environmental Services
We provide comprehensive environmental consulting including Phase I/II assessments, brownfields redevelopment, and regulatory compliance. Our team specializes in landfill management, underground storage tank removal, and hazardous material handling.
Materials Testing
Our full-service geotechnical laboratories perform soil, concrete, and asphalt testing nationwide. We offer quality control for construction projects with rapid turnaround times and certified technician staffing.
Building Sciences
Our industrial hygienists address mold, radon, asbestos, and lead-based paint concerns. We conduct indoor air quality assessments and develop remediation plans for commercial and residential properties.
Seismic Hazard Analysis
We assess faulting potential, liquefaction risks, and ground motion hazards. Our geological experts provide detailed reports for regulatory compliance and infrastructure planning in seismically active regions.
People
Frederick J. Converse
Founder
Established the firm in 1946 with expertise in engineering geology. Pioneered fault studies and seismic hazard analysis that became industry standards.
Questions
What engineering services do you offer?
We provide geotechnical engineering, seismic hazard analysis, materials testing, and environmental consulting services for infrastructure and development projects.
Do you handle environmental remediation projects?
Yes, we specialize in brownfields redevelopment, Phase I/II assessments, and regulatory compliance for contaminated sites.
Are your laboratories certified?
Our geotechnical labs employ registered engineers and certified technicians for accurate soil and materials testing.
What regions do you serve?
We operate across California, Nevada, Arizona, Pennsylvania, and the Pacific Northwest with multiple regional offices.
How do you handle seismic risk assessments?
Our team conducts detailed fault studies, liquefaction evaluations, and ground motion analyses for earthquake-prone areas.
Can you assist with indoor air quality issues?
Yes, our building sciences division addresses mold, radon, asbestos, and indoor air quality concerns for commercial properties.