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Trusted Geotechnical Testing Services Chicago
Construction & Geotechnical Material Testing (CGMT) has served the Chicago land area for decades, delivering geotechnical engineering, construction material testing, and laboratory analysis services. Our team of registered engineers, scientists, and certified technicians brings extensive expertise to projects ranging from residential developments to transportation infrastructure. As an AASHTO-accredited laboratory, we adhere to rigorous quality standards through ASTM and AASHTO procedures, ensuring reliable results for government agencies, municipalities, and private clients. Our MBE/DBE certification reflects our commitment to diversity and inclusion in the engineering field. With decades of combined experience, our principals have led hundreds of projects across Illinois, collaborating with major contractors and developers.

Our state-of-the-art facilities in Bensenville, Illinois, support comprehensive QA/QC processes, while our field teams provide real-time testing and inspection services. We maintain annual IDOT certification for laboratory operations and employ ACI-certified technicians for concrete testing. Our track record includes work with The Home Depot, Chicago Department of Transportation, and numerous municipalities. We prioritize budget-conscious solutions without compromising technical excellence, offering services from site investigations to final reporting. Our leadership team combines 40+ years of industry experience with multidisciplinary expertise spanning geotechnical analysis to environmental engineering.
Services
Geotechnical Investigation Material Testing Construction Inspection Laboratory Analysis Soil Testing Concrete Testing Asphalt Testing Masonry Testing Structural Steel Inspection Pavement Core Sampling
Highlights and features
  • 40+ years of combined experience in geotechnical engineering
  • AASHTO-accredited laboratory with annual IDOT certification
  • ACI-certified technicians for concrete testing services
  • MBE/DBE certified with proven infrastructure project expertise
  • Proven track record with major Chicago-area developers
Associations and certifications
  • AASHTO Accreditation Program
  • Illinois Department of Transportation (IDOT)
Services
Geotechnical Investigation
Our geotechnical investigations provide critical subsurface analysis for construction projects. Using truck-mounted drill rigs, we perform site evaluations for residential, commercial, and infrastructure developments. Our engineers deliver comprehensive reports with foundation recommendations based on soil composition and load-bearing capacity assessments.
Concrete Testing
We offer full concrete quality control services including slump tests, air content measurement, and compressive strength testing. Our ACI-certified technicians monitor on-site placement while our AASHTO-accredited lab performs core analysis and mix verification to ensure compliance with construction specifications.
Construction Inspection
Our certified inspectors provide real-time quality assurance during construction. Services include reinforcement verification, earthwork density testing, and structural steel inspection. We support projects from initial site work through final completion with detailed documentation and compliance reporting.
Laboratory Analysis
Our AASHTO-accredited lab conducts material testing for soil, concrete, and asphalt samples. We perform Atterberg limits, Proctor tests, and asphalt extraction analysis using standardized ASTM and AASHTO methods. Annual IDOT inspections ensure our lab maintains strict quality control standards.
Asphalt Testing
We provide comprehensive asphalt quality control through nuclear density testing, Marshall compaction, and gyratory testing. Our technicians monitor HMA placement temperatures and perform core sampling to verify pavement thickness and density specifications during roadway projects.
People
KC Patel
President
With over 40 years of experience, Mr. Patel leads geotechnical engineering services and project management. His expertise spans transportation infrastructure and building construction for public and private clients.
Pratik K. Patel
Principal
As a licensed professional engineer, Mr. Patel oversees testing operations and geotechnical project management. He coordinates from land acquisition through construction completion for diverse infrastructure developments.
Mitul Patel
Director of Field Operations
Mr. Patel manages all field testing operations, specializing in concrete and asphalt placement monitoring. He supervises material testing for foundations, masonry, and construction aggregates.
Questions
What geotechnical services do you offer?
We provide site investigations, soil testing, foundation inspections, and engineering reports for residential, commercial, and infrastructure projects.
Are your lab tests accredited?
Yes, our Bensenville lab holds AASHTO accreditation and undergoes annual IDOT inspections for quality control compliance.
Do you serve areas outside Chicago?
While based in Chicago, we serve all of Illinois including Bensenville, Elk Grove Village, and surrounding municipalities.
What certifications do your staff hold?
Our team includes ACI-certified concrete technicians and IDOT-certified professionals for construction material testing.
Reviews (1)
Chris & Kaitlyn Masland
May 25, 2021 Report
We worked with CGMT for the soil boring testing for my mom's new custom home. I rarely leave reviews but they were incredible to work with. In addition to providing a very thorough report that dramatically affected/improved the home structure, Pratik spoke at length to both our builder and architect, explaining the report and what needed to be done given the results. He was so knowledgable and great to work with.

Our builder told us he was thrilled we chose CGMT for the soil boring, and that their communication was unlike any other in the construction business. I'd HIGHLY recommend CGMT for anyone building a home. Thanks Pratik!