In Texas, geotechnical engineering plays a vital role in construction and environmental projects. This sector focuses on understanding soil, rock, and groundwater properties to ensure safe and sustainable structures. Companies in this space range from small firms to large corporations, all offering various services such as site investigation, materials testing, and environmental consulting. Recent trends indicate a growing emphasis on innovative solutions and advancements in technology, helping firms address complex engineering challenges efficiently. With ongoing infrastructure developments, the demand for geotechnical services is set to increase, shaping the future of engineering in the Lone Star State.

This list features 22 geotechnical engineering companies based in Texas, showcasing a mix of sizes and specialties. The companies range from around 11 to over 1,000 employees and are spread across cities like Houston, Dallas, and San Antonio. Established between 1965 and 2017, these firms excel in services such as construction materials testing, site investigations, and environmental engineering. Many companies are privately owned while others have corporate ownership, reflecting a variety of operational structures within the industry. Each firm brings unique expertise and a longstanding commitment to project safety and compliance.

Read on to discover the top geotechnical engineering companies in Texas.

Top 22 Geotechnical Engineering Companies in Texas

1. Geotech Engineering and Testing

• Website: geotecheng.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: geotech-engineering-and-testing

Geotech Engineering and Testing, based in Houston, Texas, is a private engineering firm that specializes in geotechnical, construction materials, geoforensic, and environmental engineering services. Established in 1985, the company has built a reputation for providing essential testing and consulting services that ensure project compliance and safety. With a dedicated team of approximately 72 employees, Geotech has successfully completed over 30,000 projects, showcasing their extensive experience in the field. They serve a variety of sectors, including civil, commercial, industrial, and petrochemical, primarily in Texas, New Mexico, Louisiana, and Oklahoma. Their commitment to quality is underscored by their accreditation, which aligns with industry standards. Geotech's involvement in technical publications and guidelines further demonstrates their active participation in advancing knowledge within the engineering community.

2. Certerra (Rone Engineering)

• Website: roneengineers.com
• Ownership type: Corporate
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: December 2023
• Founded year: 1972
• Headcount: 51-200
• LinkedIn: rone-engineering-services-ltd.

Certerra (Rone Engineering) is an engineering firm based in Dallas, Texas, specializing in geotechnical engineering, materials testing, and environmental consulting. Established in 1972, Rone Engineering has built a reputation for providing essential services that ensure project compliance and safety for developers, property owners, and local governments. The firm operates through a network of offices across Texas and Kansas City, focusing on delivering high-quality engineering solutions. Rone Engineering handles thousands of projects each year, contributing to the stability and longevity of significant infrastructure, including roads, bridges, and various commercial and residential developments. Their expertise in managing local subsurface conditions allows them to provide valuable design and construction recommendations, which are critical for the success of their clients' projects. Rone Engineering's commitment to excellence and innovation is evident in their recent initiatives, such as the formation of the Rone Earthworks division, which aims to address ground movement issues in construction. With a dedicated team of professionals, Rone Engineering continues to play a vital role in the geotechnical engineering industry.

3. Raba Kistner, Inc.

• Website: rkci.com
• Ownership type: Corporate
• Headquarters: San Antonio, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2019
• Founded year: 1968
• Headcount: 501-1000
• LinkedIn: rabakistner

Raba Kistner, Inc. is an engineering consulting and program management firm based in San Antonio, Texas, founded in 1968. With a workforce of approximately 705 employees, the company specializes in a wide array of services, including environmental compliance, project management, and engineering solutions. Raba Kistner is particularly noted for its expertise in geotechnical engineering, which is a critical component of their service offerings. They cater to various market sectors such as civil infrastructure, healthcare, education, and transportation, among others. Their projects often involve significant collaboration with both public and private sector clients, ensuring that they meet regulatory requirements and project specifications. The firm is committed to delivering quality services and has built a reputation for reliability and thoroughness in their work.

4. Tolunay-Wong Engineers, Inc.

• Website: tweinc.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 201-500
• LinkedIn: tolunay-wong-engineers-inc-

Tolunay-Wong Engineers, Inc. (TWE) is a Houston-based engineering firm that specializes in geotechnical engineering and related services. Established in 1993, TWE has grown to employ over 260 professionals and has completed more than 3,140 projects in 2023 alone. The firm serves a wide array of clients, including EPC firms, Fortune 500 companies, developers, and municipalities, primarily in the construction and engineering sectors. TWE's services include geotechnical site investigations, construction materials testing, environmental consulting, and deep foundations testing. Their innovative approach utilizes advanced numerical analysis tools and state-of-the-art equipment, allowing them to tackle complex engineering problems effectively. TWE is also recognized for its commitment to safety, having received multiple awards for their safety management practices. With offices across Texas and Louisiana, TWE is well-positioned to support a variety of construction projects, from commercial developments to large-scale infrastructure initiatives.

5. HVJ Associates

• Website: hvj.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: hvj-associates-inc

HVJ Associates, based in Houston, Texas, is a private engineering firm that has been providing specialized services since its founding in 1985. The company focuses on geotechnical engineering, construction materials testing, civil and pavement engineering, and environmental geology. HVJ Associates serves a variety of public agencies across Texas, offering solutions for critical infrastructure projects. Their expertise includes assessing soil, rock, and groundwater conditions, designing earth structures, and ensuring compliance with environmental regulations. The firm prides itself on its strong client relationships and a commitment to delivering superior engineering services. HVJ has also received recognition for its management effectiveness and client satisfaction, showcasing its dedication to quality and service in the engineering sector.

6. Aviles Engineering Corporation

• Website: avilesengineering.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1981
• Headcount: 51-200
• LinkedIn: aviles-engineering-corporation

Aviles Engineering Corporation, based in Houston, Texas, is a private engineering firm established in 1981. With a workforce of approximately 51-200 employees, the company specializes in geotechnical engineering, construction materials testing, and environmental assessments. Over the years, Aviles Engineering has built a reputation for providing essential services that ensure project safety and compliance. Their geotechnical engineering department is led by experienced professionals, including licensed geotechnical engineers and geologists, who have collectively managed numerous significant projects in the Houston area. The firm has successfully completed over 500 geotechnical projects, generating substantial revenue in the process. In addition to geotechnical services, they also conduct environmental site assessments and construction materials testing, further solidifying their role in the construction and engineering sectors. Aviles Engineering's commitment to quality and safety is reflected in their extensive experience and the qualifications of their staff.

7. Terradyne (Geotechnical)

• Website: terradyne.com
• Ownership type: Private
• Headquarters: Euless, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 51-200
• LinkedIn: terradyne-den-inc-

Terradyne Engineering Inc. is a private engineering firm based in Euless, Texas, specializing in geotechnical and environmental engineering services. Founded in 1995, the company has nearly three decades of experience in providing critical testing and consulting services to construction firms and general contractors. Their expertise includes comprehensive geotechnical investigations, construction materials testing, and environmental site assessments. Terradyne operates across Texas and Colorado, ensuring that they deliver timely and practical solutions tailored to the unique needs of each project. The firm prides itself on its efficient project management, with a commitment to a 2-3 week turnaround time for reports, which is crucial for maintaining project schedules. Their laboratories are AASHTO accredited, and they are certified by the Texas and Colorado Departments of Transportation as a Minority/Disadvantaged/Small Business Enterprise. This certification reflects their dedication to quality and community engagement, further solidifying their role in the industry.

8. Riner Engineering, Inc., A UES Company

• Website: rinerengineering.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: June 2023
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: gorrondona-engineering-services-inc-

Riner Engineering, Inc., a UES Company, is an engineering firm based in Houston, Texas, specializing in geotechnical engineering and construction materials testing. Founded in 2006, the company has built a reputation for providing essential services that ensure safety and compliance in construction and infrastructure projects. With a team that boasts over 40 years of industry experience, Riner Engineering has been involved in various significant projects across Texas and nationwide. Their expertise includes analyzing soil and material properties, which is crucial for the successful execution of construction projects. In June 2023, Riner Engineering merged with UES, expanding their capabilities and resources while maintaining their commitment to quality service. This merger allows them to leverage a national footprint while continuing to serve their clients with the same dedicated team they have known for years.

9. LOI Engineers

• Website: loi-engineers.com
• Ownership type: Private
• Headquarters: El Paso, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: loi-engineers

LOI Engineers is a privately-owned engineering firm based in El Paso, Texas, established in 2003. The company specializes in geotechnical engineering, construction materials testing, and environmental consulting. With a dedicated team of professionals, LOI Engineers serves a variety of clients, including construction companies, government agencies, and private developers. Their work spans across multiple states, including Texas, Arizona, and New Mexico, as well as parts of Mexico. The firm prides itself on delivering high-quality solutions that ensure project safety and compliance. LOI Engineers has participated in numerous significant projects, contributing to the development and transformation of the Southwest Texas region. Their commitment to client satisfaction and community involvement further solidifies their standing in the industry.

10. Reed Engineering Group

• Website: reed-engineering.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 91%, Nigeria 9%
• Founded year: 1988
• Headcount: 51-200
• LinkedIn: reed-engineering-group

Reed Engineering Group, based in Dallas, Texas, is a private engineering consulting firm that has been operational since 1988. With a workforce of approximately 46 employees, the company specializes in geotechnical engineering, environmental consulting, and construction materials testing. They cater to a variety of clients, including commercial, industrial, and municipal sectors, providing tailored solutions that address soil performance, environmental compliance, and construction quality. Reed Engineering Group prides itself on its in-house capabilities, which allow for rigorous quality control and innovative approaches to engineering challenges. Their extensive library of historical project data enhances their understanding of local geological conditions, further informing their project analyses. The firm has successfully completed numerous projects, including significant developments like the L’Oreal Office Warehouse and the FedEx Distribution Center, showcasing their expertise and commitment to quality in the geotechnical field.

11. HTS Inc. Consultants

• Website: htshouston.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: hts-inc.-consultants

HTS Inc. Consultants, based in Houston, Texas, is a private consulting firm that has been active since 1979. The company specializes in engineering services, particularly in geotechnical engineering, construction materials testing, and environmental consulting. With a workforce of approximately 29 employees, HTS Inc. serves a variety of clients, including private industries and government agencies. Their expertise is crucial in helping clients navigate complex construction and environmental challenges. The firm has a robust project portfolio that spans multiple sectors, including commercial and residential development, municipal services, and industrial projects. HTS Inc. is dedicated to providing innovative and cost-effective solutions while maintaining a focus on project timelines and budgets. Their team consists of registered professional engineers and certified laboratory personnel, ensuring a high standard of service and professionalism in all their endeavors.

12. Drash Consultants, LLC

• Website: drashconsultants.com
• Ownership type: Private
• Headquarters: San Antonio, Texas, United States (USA)
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: drash-consulting-engineers

Drash Consultants, LLC, based in San Antonio, Texas, is an engineering consulting firm that has been operational since 2011. The company specializes in geotechnical engineering, environmental consulting, materials testing, and forensic engineering. With a dedicated team of professionals, Drash Consultants provides expert analysis and solutions tailored to the unique challenges faced by their clients. They serve a mix of public and private sector clients, focusing on delivering quality and cost-effective services. The firm is licensed to practice engineering and geosciences in Texas and has an accredited laboratory, ensuring compliance with industry standards. In 2016, Drash became a wholly owned subsidiary of TTL, Inc., a well-established firm in the southeastern United States, which has further strengthened their service offerings and market presence. Drash's commitment to safety and quality is evident in their operational practices, making them a reliable partner for various engineering projects.

13. ETTL Engineers and Consultants Inc

• Website: ettlinc.com
• Ownership type: Private
• Headquarters: Tyler, Texas, United States (USA)
• Employee distribution: United States (USA) 97%, India 3%
• Founded year: 1965
• Headcount: 51-200
• LinkedIn: ettl-engineers-and-consultants

ETTL Engineers and Consultants Inc. is a consulting firm based in Tyler, Texas, specializing in geotechnical engineering, environmental consulting, and construction materials testing. Established in 1965, ETTL has built a robust portfolio serving industrial, commercial, governmental, and private clients across Texas and neighboring states. The company operates multiple offices, allowing them to effectively address the unique geological conditions of North, Central, and East Texas, as well as Southern Arkansas. ETTL's team comprises experienced engineers, geologists, and environmental scientists who work collaboratively to provide data-driven solutions for infrastructure projects. Their services include soil and rock sampling, groundwater monitoring, and environmental site assessments, among others. ETTL is also equipped with state-of-the-art laboratories for construction materials testing, ensuring high-quality results for their clients. With a focus on compliance with environmental regulations and a commitment to customer service, ETTL continues to play a significant role in the geotechnical engineering industry.

14. Geotex Engineering, LLC

• Website: geotex-engineering.com
• Ownership type: Private
• Headquarters: Collinsville, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: d-s-engineering-labs

Geotex Engineering, LLC is a Texas-based engineering firm that specializes in geotechnical engineering and construction materials testing. Established in 2010, the company has built a reputation for providing expert analysis and testing services to ensure project safety and compliance. With a team of experienced engineers and certified technicians, Geotex offers a comprehensive suite of services, including site investigations, foundation design recommendations, and construction materials testing. Their laboratory is accredited by key industry standards, ensuring that they deliver reliable results. Geotex serves a variety of markets, including commercial, municipal, education, transportation, and water projects. The firm is also committed to community engagement, as evidenced by their involvement in local events and initiatives aimed at promoting education and safety in engineering. Their focus on quality and responsiveness positions them as a valuable partner in the construction and engineering sectors.

15. Meg Engineers

• Website: megengineers.com
• Ownership type: Private
• Headquarters: Pharr, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: millennium-engineers-group-inc-

Meg Engineers, officially known as Millennium Engineers Group, Inc., is an engineering and consulting firm based in Pharr, Texas. Established in 2001, the company specializes in geotechnical engineering, environmental services, and construction materials testing. With a workforce of approximately 27 employees, Meg Engineers operates across nine locations in Texas, including major cities like Austin, San Antonio, and Houston. The firm serves a wide array of clients, including government agencies, educational institutions, and private sector developers. Their services range from preliminary geotechnical investigations to comprehensive environmental assessments and forensic engineering. Meg Engineers prides itself on its commitment to quality and innovation, ensuring that their projects meet stringent industry standards. They are also recognized for their various accreditations, including those from the American Association of State Highway and Transportation Officials (AASHTO) and the United States Army Corps of Engineers (USACE).

16. Fargo Consultants, Inc.

• Website: fargotexas.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1999
• Headcount: 11-50
• LinkedIn: fargotexas

Fargo Consultants, Inc. is a private firm based in Dallas, Texas, specializing in geotechnical engineering, construction materials testing, and environmental services. Established in 1999, the company has been instrumental in supporting thousands of construction projects across various sectors, including commercial, residential, and government. Fargo's team consists of over 25 technicians, many of whom have been with the company for over a decade, bringing a wealth of experience to their projects. The firm operates an AASHTO accredited laboratory, ensuring that their testing and assessment services meet high standards of accuracy and reliability. Their services include thorough geotechnical investigations, construction observation, and environmental site assessments, all aimed at enhancing project quality and compliance. Fargo's commitment to providing user-friendly reports and innovative solutions tailored to local conditions further solidifies their position in the industry.

17. Gorrondona Engineering Services, Inc.

• Website: ge-services.net
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: gorrondona-engineering-services-inc-

Gorrondona Engineering Services, Inc., based in Houston, Texas, is a private engineering firm that specializes in geotechnical engineering and construction materials testing. Founded in 2006, the company has built a reputation for providing critical services in environmental and earth sciences, sustainable infrastructure solutions, and geophysical technologies. Their clientele primarily consists of businesses and organizations within the construction sector, who depend on Gorrondona's expertise to ensure project safety and compliance with industry standards. Recently, Gorrondona Engineering Services joined the UES family of companies, which allows them to leverage a broader national footprint while maintaining their regional expertise. This strategic move positions them to better serve clients across Texas and beyond, reinforcing their role in the geotechnical engineering field.

18. Paradigm Consultants, Inc., A CMT Company

• Website: paradigmconsultants.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 89%, India 11%
• Latest funding: January 2022
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: paradigm-consultants-inc

Paradigm Consultants, Inc., a CMT Company, is a consulting engineering firm based in Houston, Texas, established in 1995. The company provides a range of services that include geotechnical engineering, construction materials testing, and environmental consulting. With a team of over 30 professionals, including engineers and geologists, Paradigm Consultants has been instrumental in assisting both public and private clients navigate the complexities of construction projects. Their expertise extends to various sectors such as infrastructure, education, healthcare, and commercial development. The firm is known for its commitment to quality and integrity, ensuring that projects meet safety and compliance standards. Paradigm has also been recognized for its contributions to the industry, receiving accolades such as the Port of Houston Authority's Small Business of the Year award in 2005. Their focus on geotechnical assessments and materials testing positions them as a significant player in the engineering consulting field.

19. Dudley

• Website: dudleyeng.com
• Ownership type: Private
• Headquarters: College Station, Texas, United States (USA)
• Employee distribution: United States (USA) 90%, Brazil 10%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: dudleyeng

Dudley Engineering, based in College Station, Texas, is a private engineering firm founded in 2017. With a team of 49 employees, the company specializes in structural, geotechnical, and environmental engineering services. Dudley serves a variety of clients, including construction firms, developers, and public entities, ensuring compliance and structural integrity in their projects. The firm operates from multiple locations in Texas, including Austin and Houston, allowing them to effectively serve the Texas Triangle region. Their services in geotechnical engineering include subsurface investigations, laboratory testing, and the preparation of geotechnical reports and recommendations. Dudley has gained recognition for its construction-wise approach and exceptional communication, which are critical in the engineering field. The firm has not reported any funding, indicating a self-sustained growth model. Their recent accolade as one of the fastest-growing Aggie-Owned businesses further highlights their impact in the industry.

20. InTEC of San Antonio

• Website: intec-sa.com
• Ownership type: Private
• Headquarters: San Antonio, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1991
• Headcount: 11-50
• LinkedIn: intec-of-san-antonio

InTEC of San Antonio, established in 1991, is a professional engineering services firm based in San Antonio, Texas. The company specializes in geotechnical engineering, construction materials testing, and environmental services, catering primarily to the construction and real estate sectors. InTEC supports projects from the planning phase through design and construction, providing critical assessments and recommendations to ensure project success. Their services include subsurface soil exploration, laboratory testing, and foundation recommendations, which are vital for various structures such as buildings, roads, and bridges. InTEC operates six in-house drilling rigs and has an AASHTO-accredited laboratory for testing soils, aggregates, concrete, and asphalt. The company has built a reputation for quick turnaround times and practical solutions, leveraging local experience to address unique site challenges. InTEC's commitment to quality is reflected in their certified technicians and adherence to industry standards. They have also received recognition as a certified Small Business Enterprise and Minority Business Enterprise, highlighting their dedication to diversity in the engineering field.

21. Earth Engineering, Inc.

• Website: eartheng.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: earth-engineering-inc-

Earth Engineering, Inc. is a Houston-based engineering firm that specializes in geotechnical and environmental engineering, as well as construction materials testing. Established in 1996 by Moe A. Shihadeh, P.E., D.GE, the company has carved out a niche in providing quality services to a variety of sectors, including healthcare, education, and commercial industries. With a team of qualified professionals, Earth Engineering is equipped to handle challenging soil conditions and ensure the safety and reliability of construction projects. The firm operates a comprehensive laboratory that adheres to the American Association for Laboratory Accreditation (A2LA) standards, showcasing their commitment to quality and compliance. Their portfolio features a range of significant projects, including work for the Houston Independent School District and various hospitals, reflecting their capability and experience in the field. Earth Engineering's certifications as a Historically Underutilized Business (HUB) and as a small business enterprise (SBE) with Houston Metro further highlight their established presence in the industry.

22. The Murillo Company

• Website: murillocompany.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1967
• Headcount: 11-50
• LinkedIn: the-murillo-company

The Murillo Company, based in Houston, Texas, is an engineering firm that specializes in geotechnical and environmental engineering services. Established in 1967, the company has developed a strong foundation in providing comprehensive site investigations, environmental assessments, and materials testing. With a team of professional engineers and associates, The Murillo Company has a deep understanding of soil properties and environmental challenges specific to construction projects in the Gulf Coast region. Over the years, they have successfully completed around 15,000 projects, demonstrating their expertise and reliability in the industry. Their services include site investigation and evaluation, foundation recommendations, slope stability studies, and pavement design, among others. The firm is also committed to adhering to industry standards, as evidenced by their certifications from recognized organizations. This dedication to quality and compliance has helped them maintain long-term relationships with clients in the construction and real estate sectors.

Geotechnical Engineering Insights: Key Companies in Texas

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