Northern Geotechnical Engineering, Inc. Terra Firma Testing
Our Commitment to Quality
Our commitment to excellence is reflected not only in the services we provide but also in the strong professional affiliations we maintain across various sectors of the geotechnical and engineering industries. By being part of key organizations, we stay at the forefront of best practices, standards, and innovations that directly benefit the clients and communities we serve. These affiliations allow us to engage with industry leaders, collaborate on cutting-edge research, and ensure compliance with the latest regulations and technologies. Below are some of the prominent professional associations we are proud to be a part of:
Geoprofessional Business Association
The Geoprofessional Business Association (GBA), supports excellence in geotechnical, geological, and environmental engineering services.
Association Of Civil Engineers (ASCE)
American Council Of Engineering Companies
ACEC represents engineering firms, advocating for the industry’s growth and contribution to national infrastructure and quality of life.
Association Of Professional Geologists
AIPG promotes geology as a profession, certifying geological scientists and upholding ethics and competence in the field.
Association Of Civil Engineers (ASCE)
AEG leads in environmental and engineering geology, offering resources and expertise for practitioners, scientists, and the public.
American Assoc. of State Hwy and Transportation Officials
AASHTO sets technical standards for transportation systems, ensuring the development and maintenance of safe, efficient infrastructure.
American Concrete Institute (ACI)
ACI provides standards and technical resources for concrete design, construction, and materials, supporting industry-wide innovation.
Western Alliance For Quality Transportation Construction
WAQTC improves transportation quality by standardizing test methods and promoting technician training and accreditation.
International Code Council (ICC)
ICC develops model codes and standards for building safety, sustainability, and resilience in construction projects worldwide.
American Society for Testing and Materials (ASTM)
ASTM develops global consensus standards for materials, products, and services, supporting quality and safety in industries worldwide.
MOA Geotechnical Advisory Commission (GAC)
The MOA GAC advises on risk mitigation and natural hazard issues, supporting informed decisions for community safety and development.
Cement And Concrete Reference Laboratory (CCRL)
CCRL provides laboratory inspections and proficiency testing, ensuring standards in cement, concrete, and construction material testing.
Municipality Of Anchorage (MOA) Building Safety
MOA Building Safety ensures safe construction and development through permits, inspections, and enforcement of building codes.
Aashto Materials Reference Library (AMRL)
AMRL ensures excellence in construction materials testing through accreditation, proficiency programs, and laboratory assessments.
US Army Corps Of Engineers (USACOE) Materials Testing Center (MTC)
The USACOE MTC validates commercial labs for quality assurance in materials testing, supporting the Corps’ engineering projects.













