Sierra Geotechnical Service

Welcome to Sierra Geotechnical Services, Inc. (SGS), where we combine commitment, motivation, teamwork, and dedication to provide quality products and services in a timely, professional, and cost-effective manner. Founded in 1989, our philosophy emphasizes the importance of delivering high-quality services that meet our clients' needs while fostering a supportive environment for our employees' growth and development.

Quality Assurance

At SGS, we are committed to providing quality services in the area of geotechnical engineering. Our Quality Assurance Program (QAP) ensures that our work is performed in a cost-effective, controlled manner that can be documented and defended. This program is based on generally accepted professional practice and current regulatory requirements, applying to all related field and laboratory activities. Our Materials Laboratory, located in Bishop, California, participates in five separate laboratory assessment programs to maintain compliance with international and national standards.

Services Offered

We offer a full range of consulting services, including geotechnical engineering, environmental, engineering geology, mining, hydrogeology, groundwater, materials testing, and construction inspection. Our team of professionals, licensed in California and Arizona, utilizes state-of-the-art technology to service a broad spectrum of clientele. We have a unique advantage in the Owens Valley and the Eastern High Sierra, with locally based offices ensuring quicker responses to field and laboratory testing requests.

Projects and Personnel

Our projects span a variety of sectors, including private development, architecture, civil engineering, construction, hospitals, lending institutes, law firms, and public agencies. We pride ourselves on a high percentage of repeat customers and an environment that encourages professional growth and personal development among our employees. A company Principal or Senior Level Licensed Engineer or Geologist is assigned to each project to ensure quality assurance and consistent service throughout the length of the contract.