Brazil. Geotechnical consultancy, instrumentation, site monitoring, and software. Includes catalogues, specifications and procedures.

Irish based geology company. Project management and all aspects of mineral exploration and geological surveys.

USA. Providing professional geotechnical engineering, environmental consulting, and construction materials testing services. List of past projects. Links to related sites.

USA. Geotechnical and expert witness services for soil cracks, erosion and slope failures, and water and moisture intrusion. Also, soil testing and reports for new construction, remodeling and repairs.

USA. Geotechnical engineering research and consulting company, involved in publishing and the development of design tools for landfill and road drainage, seminars and training courses, and material selection methods.

UK. Geotechnical consultancy, providing engineering advice on piling and foundations. Also, mediation and expert witness service.

USA. High-resolution nondestructive and geophysical testing services to assess concrete structures and foundation conditions.

USA. Geotechnical consultants, providing geotechnical engineering, subsurface exploration, laboratory soil testing, construction monitoring and materials testing services.

UK. Geotechnical engineering company, specialising in ground improvement services including dynamic compaction, stone column installation and vibropiling. Also, manufacturers of vibroflots, hydraulic power packs, jetting pumps and vibro rigs.

USA. Geotechnical engineering, environmental and contamination screening services for the design of roads, bridges, and buildings.