About Us

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Experience, Innovation and Trust

Quartet Engineers, PLLC offers a variety of services in the field of geotechnical engineering, construction materials engineering, and laboratory testing. We provide geotechnical site evaluation, construction observation and testing, and monitoring the quality of construction materials delivered to job sites. Our laboratory testing capabilities include soil, hot-mix asphalt, rock, concrete, aggregates, mortar, and grout. We regularly calibrate our lab and field equipment to ensure reliable performance, and our lab is accredited by the American Association for Laboratory Accreditation (A2LA).

Our History

Quartet Engineers, PLLC is a Texas-based company established in September 2015, with its main office located at 2313 W Sam Houston Pkwy N Suite 121, Houston, TX 77043. We have highly qualified professional licensed engineers, certified field and laboratory technicians who work together to provide the best service for each project. Our staff adheres to appropriate testing standards to ensure accurate results are reported promptly. Quartet Engineers has a history of successfully completing contracts without default or termination.

The principal contact for Missouri City projects is Vijay K Jha, PhD, PE, who serves as the President and Principal Engineer. Dr. Jha is a certified Project Management Professional (PMP) by Project Management Institute and has over 20 years of experience in Civil Structural, Geotechnical Engineering, Construction Material Testing, and Project Management. He has been involved in various projects such as ports, transportation, public works, municipal work, industrial facilities, commercial developments, waste disposal facilities, power plants, dams, marine terminals, underground utilities, and subdivisions.


At Quartet Engineers, we employ a project management approach that involves active involvement from our highly qualified engineers


Quartet Engineers has been accredited by the American Association for Laboratory Accreditation (A2LA) to meet the requirements of ISO/IEC 17025:2017.

Technical Expertise

At Quartet Engineers, our staff has extensive experience in the field of geotechnical engineering and construction materials testing

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At Quartet, people come first. Our people make the difference and we embrace teamwork. We trust each other and work together to provide value and results for our clients.