Build With Confidence
Mountain Group Geotechnical Engineering, Materials Testing, and Special Inspection
A History of Success
For nearly 70 years, Mountain Group (formerly Merrell Johnson Geotechnical) has built a strong reputation in the construction industry through our unwavering commitment to quality, professionalism, accuracy, and efficiency. It is through these many decades of service that we understand the vital role that our services play in the successful design and construction of safe, durable structures that meet the most stringent quality and performance standards. Our team strives to operate as an extension of your team, working collaboratively towards a common goal and ensuring success for everyone involved. Our experience spans a wide range of industries, including Commercial, Industrial, Municipal, Government, Education, Transportation, Healthcare, Water and Power.
Our Services
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With a state-of-the-art, multi-accredited, in-house laboratory and a fully certified staff, our Materials Testing and Special Inspection services are unparalleled in their precision, accuracy, and thoroughness. We continuously apply innovative processes and methodologies to guarantee the most timely and cost-effective response, enabling our clients to make informed decisions faster than ever before. Laboratory accreditations include AMRL (AASHTO), CCRL, DSA, USACE and Caltrans. Services include the testing and inspection of:
• Concrete
• Masonry
• Soils
• Aggregate
• High-Strength Bolting
• Structural Steel
• Reinforcing Steel
• Post Tensioned Steel
• Asphalt Paving
• Spray-Applied Fire Proofing
• Non-Destructive Testing (MT and UT)
• Welder Certification Testing
• Welding Procedure Qualification Testing and Specification Development
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Geotechnical Engineering services are led by Jeremy Beissner, with the support of our fully certified materials laboratory and technical staff. Every stage of construction can present its own unique set of challenges. We utilize our extensive expertise and industry knowledge to anticipate challenges before they arise. By conducting thorough assessments and implementing preemptive measures, we proactively eliminate or minimize potential obstacles that could hinder project progress. This not only saves valuable time but also prevents costly setbacks, ensuring that projects stay on track and within budget. Services include:
• Geotechnical Investigations
• Percolation Testing
• Infiltration Testing
• Seismic Hazard Analysis
• Fault Investigations
• Slope Stability Studies
• Phase I Studies
• Pavement Design
• Geologic Hazards Analysis
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With more than two decades of added value and expertise in the direction of large-scale, multi-million-dollar projects, we stand behind a winning record of accountability-based leadership; able to coordinate and direct multiple project-based efforts while managing and motivating project teams of more than 250 individuals and contractors. Services include:
• Contract Management
• Project Management
• Estimating
• Budget Analysis
• Site Operations
• Site Supervision
• Strategic Planning
• Cost Control
• Communications
Project Highlights
What started as a family business in 1956 has evolved into one of the most highly regarded Geotechnical Engineering, Materials Testing and Special Inspection firms in Southern California. MTN is proud to have played an integral role in some of SoCal’s most significant and landscape-enhancing projects that will be experienced and enjoyed for many generations to come.
Let’s Work Together
We’re always looking for new opportunities. Please get in touch and one of our project managers will contact you about beginning the proposal process.