G N Northern

GN Northern, established in 1994, is a multi-disciplinary engineering, environmental consulting, and construction materials testing firm serving the Pacific Northwest and Alaska. From our offices in Yakima, Kennewick, Spokane Valley, Washington, and Hood River and Hermiston, Oregon, we partner with clients to tackle diverse challenges across industries.

Company Overview

Our team consists of seasoned professionals who bring extensive experience in geotechnical engineering, environmental consulting, materials testing, and special inspections. We prioritize an efficient, cost-effective approach, drawing on our expertise to deliver practical solutions that meet each client's unique needs.

Key Personnel

Driven by a shared commitment to excellence, our leaders possess deep technical expertise and vast industry knowledge. Their visionary guidance and hands-on involvement ensure that every project meets the highest standards.

Project Experience

Throughout our journey, we have completed numerous successful projects across sectors, including:

• Dams and levees
• Parking lot subgrade preparation
• Wind farms and solar energy projects
• Schools and universities
• Geotechnical field exploration and pile installation
• MSE retaining walls and pipeline projects

Our Services

We offer a comprehensive range of services to address diverse engineering and environmental needs:

Geotechnical Engineering Services

• Soil and foundation analysis
• Slope stabilization and retaining walls
• Pile installation and foundation design
• Dam and levee assessments

Materials Testing & Special Inspection Services

• Construction materials testing
• Structural inspections
• Corrosion assessments

Environmental Consulting Services

• Environmental compliance monitoring
• Spill response and mitigation
• Air quality and water quality assessments

Pavement Engineering Services

• Pavement design and construction
• Crack and pothole repair
• Traffic management studies

Geophysical Services

• Ground penetrating radar (GPR)
• Seismic surveys

Qualifications

GN Northern is certified as a Minority Business Enterprise (MBE) in Oregon State. We maintain stringent quality standards and adhere to industry regulations to deliver reliable and trustworthy services.