About Us
/About Us
We're on a Mission to engineer with sustainability and precision.
Golsar Construction, Testing & Exploration PLLC is a Texas Board of professional Engineers and Land Surveyors –licensed sole proprietorship engineering firm dedicated to delivering innovative and reliable infrastructure solutions. Based in Houston, we combine technical expertise with a commitment to sustainability, ensuring that every project contributes to resilient communities and a stronger environment.
Our firm specializes in civil engineering, geotechnical and concrete testing, water resources, and transportation services. With a foundation built on Sustainable Research, Precision Solutions, we provide high-quality consulting and design tailored to meet the unique needs of our clients.
At Golsar, we pride ourselves on precision, integrity, and innovation—partnering with clients to shape infrastructure that supports growth today and endures for the future.
OUR BIGGEST AWARD IS DEVELOP THRIVING COMMUNITIES

mohammad nikookar, d.eng, p.e.
Mohammad is the founder and principal engineer of Golsar Construction, Testing & Exploration PLLC. With a Doctoral degree in Civil and Environmental Engineering and over a decade of hands-on experience, he brings expertise in construction, materials testing, geotechnical investigations, hydrology, hydraulics, and sustainable infrastructure solutions.
As a licensed Professional Engineer in Texas, Mohammad has led projects that combine precision engineering with environmental responsibility. His research at Lamar University on sustainable construction materials, cementitious systems, and geopolymers, along with studies on contaminated water management and disaster risk reduction, has been published in Tier One journals.
He is dedicated to bridging research and practice, delivering solutions that are sustainable, efficient, and reliable.
OUR SERVICES
Our Services
Geotechnical & Concrete Testing
Golsar engineers, with extensive expertise in construction materials and geotechnical testing, provide advanced lab and field services to ensure safety and durability.
Civil Engineering & Design
Golsar engineers, with proven expertise in civil planning and design, deliver reliable consulting and innovative infrastructure solutions.
Water Resources & Hydrology
Golsar engineers, with specialized knowledge in water resources and hydrology, design smart management solutions that build resilient and sustainable communities.
We Understand
Why Choose Golsar
Innovative Infrastructure Solutions
Diverse portfolio of projects, civil, geotechnical, and water resources sectors, offering a comprehensive range of innovative infrastructure solutions.
Globally Published Studies
Diverse portfolio of sustainable research across construction materials and geotechnical engineering.
Dedicated Design Services
Diverse portfolio of design and construction projects across residential, commercial, and industrial sectors, offering a comprehensive range of sustainable solutions.





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