Business Details
42 Years
experience
Trusted Geotechnical Engineering Services in Oregon
Established in 1984, GRI has built a reputation as a trusted provider of geotechnical, geologic, and pavement engineering solutions across the Pacific Northwest. Our team of experienced professionals delivers innovative, practical design solutions tailored to meet the unique challenges of each project. With expertise in geotechnical engineering, seismic design, pavement management, and environmental services, we serve both public agencies and private industry. Our commitment to collaboration ensures clients receive multidisciplinary support from planning through construction. Over 35 years, we have completed more than 7,000 projects, reflecting our dedication to technical excellence and client satisfaction.We prioritize building long-term trust through transparent communication and results-driven service. Our founders vision of a small-firm culture with big-impact capabilities continues to guide our approach to every project. With offices in Oregon, Washington, Idaho, and California, we combine local knowledge with national standards of excellence. Our accreditations, including SAM-Registered Federal Small Business status, underscore our adherence to rigorous industry benchmarks. At GRI, we remain focused on solving complex engineering challenges while maintaining the community-centric values that shaped our foundation.
Services
Geotechnical Engineering
Pavement Engineering
Seismic Engineering
Hazmat Services
Construction Services
Alternative Delivery
Laboratory Services
Environmental Services
Federal Projects
Geologic Hazard Mitigation
Details
- Year established: 1984
Highlights and features
- We have over 35 years of experience in geotechnical and pavement engineering.
- Our team includes certified professionals with expertise in seismic and geologic hazards.
- We hold SAM-Registered Federal Small Business accreditation for government contracts.
- We provide multidisciplinary collaboration from project planning to construction.
- Our 7,000+ completed projects demonstrate consistent technical excellence and client trust.
Associations and certifications
- SAM-Registered Federal Small Business
- WA State Public Works Small Business Enterprise (PWSBE)
Services
Geotechnical Engineering
Our geotechnical engineering services assess soil, rock, and subsurface conditions to inform foundation design and construction planning. We conduct site investigations, laboratory testing, and risk assessments for infrastructure projects. Our expertise ensures stable, cost-effective solutions for bridges, buildings, and transportation systems.
Pavement Engineering
GRI provides pavement engineering for highways, airport runways, and urban streets, including material testing, structural analysis, and lifecycle planning. We optimize pavement performance through innovative design and maintenance strategies. Our work supports long-term durability and cost efficiency for public and private clients.
Seismic Engineering
Our seismic engineering services evaluate earthquake risks and design mitigation measures for infrastructure. We analyze ground motion, soil liquefaction potential, and structural resilience. Clients benefit from code-compliant designs that enhance safety and reduce seismic vulnerability in critical facilities.
Hazmat Services
GRIs hazmat team identifies, assesses, and manages hazardous materials in construction projects. We provide site remediation plans, regulatory compliance support, and risk mitigation strategies. Our services ensure safe handling of contaminants during infrastructure development and environmental cleanup.
Construction Services
We offer construction-phase services including quality control, materials testing, and field monitoring. Our engineers ensure adherence to design specifications and safety standards during project execution. Clients receive real-time problem-solving and technical support to maintain schedule and budget integrity.
People
Adam Hope
Controller
Adam Hope oversees financial operations at GRI, ensuring fiscal accountability and strategic resource management across engineering projects.
Alison Horst
Staff Geologist
Alison Horst contributes geological expertise to GRIs projects, specializing in subsurface analysis and environmental compliance for infrastructure development.
Scott Schlechter
Principal Engineer
Scott Schlechter leads complex engineering projects at GRI, combining geotechnical expertise with innovative design solutions for transportation and public works clients.
Matthew Shanahan
Senior Geotechnical Engineer
Matthew Shanahan specializes in geotechnical analysis and foundation design, providing technical leadership for GRIs most challenging infrastructure projects.
Christopher Ell
Principal Geotechnical Engineer
Christopher Ell directs geotechnical investigations and risk assessments, ensuring structural integrity for GRIs transportation and energy sector clients.
Questions
What services does GRI specialize in?
GRI specializes in geotechnical engineering, pavement engineering, seismic design, hazmat services, and construction management for infrastructure projects.
Which regions does GRI serve?
GRI operates across the Pacific Northwest, including Oregon, Washington, Idaho, and California, with select federal projects nationwide.
Is GRI certified for government contracts?
Yes, GRI is SAM-Registered as a Federal Small Business and holds WA State Public Works Small Business Enterprise certification.
How long has GRI been in business?
GRI has provided engineering solutions since 1984, with over 35 years of experience in geotechnical and pavement engineering.
What types of clients work with GRI?
GRI serves public agencies like transportation departments and private clients in energy, aviation, and development sectors.
How does GRI approach project collaboration?
We use a multidisciplinary team approach, integrating geotechnical, seismic, and pavement experts to create tailored solutions for each client.
