Texas is a significant hub for engineering consulting, driven by its booming economy and diverse infrastructure projects. Companies range from small consultancies to large firms, catering to both public and private sectors. These firms offer a variety of services such as civil, mechanical, and electrical engineering, as well as environmental assessments and sustainability consulting. The industry is increasingly leaning into technology, with many firms adopting advanced tools like Building Information Modeling (BIM) and other innovations to enhance project outcomes. As Texas continues to grow, the demand for cutting-edge engineering solutions is set to escalate, creating vast opportunities for consultancies.

The engineering consulting firms listed here feature a combination of established and newer players. They vary in size from small boutiques employing fewer than 50 professionals to large organizations with thousands of employees. Most of these companies, headquartered in urban centers like Houston, Dallas, and Austin, have been in operation for decades, specializing in different engineering sectors such as infrastructure, environmental services, and construction management. Their longevity highlights a robust foundation, while their adaptability paves the way for future innovations and growth in the field.

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

Top 21 Engineering Consulting Companies in Texas

1. MEP Engineering, Inc.

• Website: mepengineering.com
• Ownership type: Private
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 82%, United Arab Emirates 5%, Brazil 5%, Other 9%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: mep-engineering-inc.

MEP Engineering, Inc. is an engineering consulting firm based in Austin, Texas, specializing in mechanical, electrical, and plumbing engineering services. Established in 1995, the company has grown to employ between 11 and 50 professionals, with a significant portion of their workforce based in the United States. MEP Engineering serves a variety of clients, including educational institutions, government entities, and private corporations, providing design and consulting services for construction projects. Their portfolio highlights a commitment to energy efficiency and sustainability, with numerous projects designed to meet LEED certification standards. The firm prides itself on its collaborative approach, ensuring that input from owners, design teams, and contractors is integrated into their engineering solutions. MEP Engineering is also recognized as a certified Small Business Enterprise (SBE), which may enhance their appeal to clients seeking to engage with smaller, agile firms that can offer personalized service.

2. Halff

• Website: halff.com
• Ownership type: Private
• Headquarters: Richardson, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1950
• Headcount: 1001-5000
• LinkedIn: halff-associates

Halff Associates, Inc. is a private engineering and consulting firm based in Richardson, Texas, founded in 1950. The company specializes in infrastructure and community development, providing a wide range of services that cater to both public and private sector clients. Their offerings include mobility solutions, environmental consulting, flood infrastructure design, and various engineering services such as structural, MEP, and transportation engineering. Halff is dedicated to creating sustainable solutions that not only address immediate project needs but also enhance community resilience and quality of life. The firm has a strong presence across the United States, with a workforce of approximately 1,357 employees, reflecting their capacity to handle large-scale projects. Halff's commitment to client satisfaction and community engagement is evident in their project portfolio, which includes significant infrastructure developments and environmental initiatives.

3. Huitt-Zollars, Inc.

• Website: huitt-zollars.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1975
• Headcount: 501-1000
• LinkedIn: huitt-zollars-inc

Huitt-Zollars, Inc. is a Dallas-based engineering and architecture firm founded in 1975. With a workforce of approximately 638 employees, the company specializes in a wide array of professional services, including civil engineering, construction management, and disaster response. They cater to a variety of clients, ranging from government entities to commercial businesses, with a strong emphasis on delivering high-quality projects that improve community infrastructure and enhance the quality of life. The firm operates across multiple sectors, including healthcare, transportation, and residential development, showcasing their ability to handle complex projects. Their commitment to quality and integrity is reflected in their corporate culture and operational principles, which have been the foundation of their success for decades.

4. Ksa

• Website: ksaeng.com
• Ownership type: Corporate
• Headquarters: Longview, Texas, United States (USA)
• Employee distribution: United States (USA) 79%, Saudi Arabia 11%, India 4%, Other 6%
• Latest funding: October 2024
• Founded year: 1978
• Headcount: 51-200
• LinkedIn: ksa-engineers

KSA Engineers Inc., founded in 1978 and based in Longview, Texas, is an engineering and architecture firm that provides a wide array of services. The company focuses on municipal services, aviation planning, and surveying, catering primarily to cities, counties, and water districts. KSA has played a significant role in helping these entities manage infrastructure projects and navigate funding challenges. Their expertise extends to areas such as water and wastewater management, transportation, and architectural design, including school and community facility development. KSA has built long-lasting relationships with clients, often serving as an extension of their engineering staff. The firm has been recognized multiple times, including being named to the ENR Top 500 list and receiving accolades as a Hot Firm and Best Firm to Work For by the Zweig Group. KSA's commitment to improving community infrastructure and safety is evident in their project portfolio, which includes wastewater treatment plants, roadway development, and aviation facilities.

5. Cobb, Fendley & Associates, Inc.

• Website: cobbfendley.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1980
• Headcount: 501-1000
• LinkedIn: cobbfendley

Cobb, Fendley & Associates, Inc. is an infrastructure solutions provider based in Houston, Texas, with a history dating back to 1980. The company specializes in engineering and consulting services, focusing on municipal engineering, utility coordination, and broadband solutions. With a team of approximately 589 employees, CobbFendley has developed a reputation for delivering comprehensive infrastructure projects from concept to completion. Their client base spans various sectors, including government, energy, and public utilities, showcasing their ability to navigate complex project requirements. The firm has a strong emphasis on collaboration, working closely with clients and stakeholders to ensure successful outcomes. Their project portfolio includes significant contributions to public infrastructure, such as drainage systems, transportation networks, and broadband initiatives, reflecting their commitment to community growth and development.

6. Urban Structure

• Website: urbanstruct.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: urban-structure

Urban Structure is a structural engineering consulting firm based in Dallas and Austin, Texas, founded in 2011. The company specializes in providing engineering services for a variety of projects, including mid/highrise buildings, multifamily housing, and hospitality. Their team, composed of experienced engineers, emphasizes quality, attention to detail, and responsiveness to client needs. Urban Structure has worked on numerous projects, collaborating with developers and architects to ensure that each design meets regulatory standards and structural integrity. They are registered in multiple states, showcasing their capability to handle projects beyond Texas. The firm has not reported any funding, indicating a self-sustained growth model since its inception.

7. Baird, Hampton & Brown

• Website: bhbinc.com
• Ownership type: Private
• Headquarters: Fort Worth, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1992
• Headcount: 51-200
• LinkedIn: bhbinc

Baird, Hampton & Brown (BHB) is an engineering firm based in Fort Worth, Texas, with a history dating back to 1992. The company specializes in a wide range of engineering services, including civil, mechanical, electrical, and structural engineering, as well as land surveying and landscape architecture. BHB serves a variety of clients, including municipalities, developers, and private entities, helping them navigate complex projects while ensuring compliance with regulations. The firm prides itself on its collaborative approach, which streamlines communication and enhances project efficiency. With a team of over 130 employees, including more than 45 licensed professionals, BHB has built a reputation for delivering innovative and sustainable design solutions across Texas and beyond. Their commitment to community involvement is evident through various charitable initiatives and projects that aim to improve local infrastructure and services.

8. Walter P Moore

• Website: walterpmoore.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 70%, India 23%, Mexico 3%, Other 3%
• Founded year: 1931
• Headcount: 1001-5000
• LinkedIn: walter-p-moore

Walter P Moore is a prominent engineering firm based in Houston, Texas, founded in 1931. The company specializes in a wide array of engineering services, including structural, civil, and transportation engineering. With a workforce of over 1,100 professionals, Walter P Moore operates through a network of offices across the United States and internationally, including locations in India, Mexico, and Panama. The firm has successfully completed more than 450 projects, covering over 2 billion square feet, and has received over 1,500 awards for engineering excellence. Their client base spans various sectors, including healthcare, education, and entertainment, showcasing their ability to tackle complex challenges. Walter P Moore is also committed to sustainability, actively exploring innovative materials and technologies to enhance project outcomes. Their expertise in forensic analysis and emergency response further highlights their comprehensive approach to engineering consulting.

9. Dannenbaum Engineering

• Website: dannenbaum.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Latest funding: March 2024
• Founded year: 1945
• Headcount: 201-500
• LinkedIn: dannenbaumeng

Dannenbaum Engineering, founded in 1945 and based in Houston, Texas, is an engineering consulting firm that specializes in providing innovative solutions within the architecture, engineering, and construction sectors. The company has built a reputation for addressing complex infrastructure challenges through a comprehensive range of services, including planning, design, and construction management. Dannenbaum Engineering serves a variety of clients, including both government entities and private organizations, showcasing their ability to navigate different project requirements and regulatory environments. Their commitment to quality and sustainability is evident in their project execution and client interactions, making them a notable player in the engineering consulting industry.

10. Ref-Chem

• Website: ref-chem.com
• Ownership type: Private
• Headquarters: Odessa, Texas, United States (USA)
• Founded year: 1957
• Headcount: 501-1000
• LinkedIn: ref-chem

Ref-Chem is a private engineering and construction company located in Odessa, Texas, founded in 1957. The firm specializes in engineering services tailored to the oil, gas, and chemical industries. With a workforce of approximately 457 employees, Ref-Chem has established itself as a significant player in its sector. The company focuses on providing comprehensive solutions that include project management, construction, and engineering services. Their expertise is particularly relevant in the context of energy and resource management, where they address the specific needs of their clients in the energy sector. Ref-Chem's commitment to safety and operational excellence is evident in their project execution and client relationships.

11. Govind Development, LLC

• Website: govinddevelopment.com
• Ownership type: Private
• Headquarters: Corpus Christi, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2007
• Headcount: 201-500
• LinkedIn: govind-development

Govind Development, LLC, based in Corpus Christi, Texas, is an engineering firm that has been providing a wide array of services since its inception in 2007. The company specializes in project management, electrical design, civil and structural engineering, piping and mechanical engineering, instrumentation design, and surveying. With a workforce of around 80 employees, Govind Development caters to both industrial and governmental clients, helping them navigate complex engineering challenges with tailored solutions. The firm prides itself on its commitment to safety and high standards, ensuring that all projects are executed with a focus on health and environmental considerations. The leadership team, led by President and CEO Govind Nadkarni, brings decades of experience in engineering and project management, further solidifying the company's position in the industry. Govind Development has successfully completed numerous projects across various sectors, demonstrating its capability to handle both small maintenance tasks and large capital projects.

12. O'Brien Engineering, Inc.

• Website: obrieneng.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 11-50
• LinkedIn: obrieneng

O'Brien Engineering, Inc. (OEI) is a Texas-based engineering and architectural firm that has been operational since 1987. With a team of approximately 27 professionals, OEI specializes in providing a wide array of services, including engineering design, analysis, project management, and architectural services. The firm primarily serves clients in the federal, state, and municipal sectors, focusing on infrastructure and environmental projects. OEI has built a strong portfolio over the years, addressing complex challenges in water resources, dam safety, and environmental design. Their commitment to regulatory compliance and innovative solutions is evident in their extensive project experience, which includes collaborations with various government agencies such as the U.S. Army Corps of Engineers and FEMA. OEI's dedication to quality and efficiency is reflected in their project management processes, ensuring that they meet client expectations while adhering to budgetary constraints. As a certified SDVOSB, OEI not only contributes to public sector projects but also supports the veteran community, enhancing their appeal in the consulting market.

13. 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 has been operational since 1985. The company specializes in a range of services including geotechnical engineering, construction materials engineering, geoforensic engineering, and environmental engineering. With a workforce of approximately 72 employees, Geotech serves a variety of sectors, particularly focusing on construction and environmental projects. Their expertise spans across civil, commercial, industrial, and residential engineering projects, with significant involvement in areas such as aviation facilities, medical facilities, and public infrastructure. The firm has completed over 30,000 projects, demonstrating their extensive experience in the field. Geotech is also recognized for its commitment to quality, holding accreditations that align with industry standards. Their operational footprint primarily covers Texas, New Mexico, Louisiana, and Oklahoma, reflecting their regional focus and expertise.

14. Infrastructure Associates, Inc.

• Website: iahouston.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 11-50
• LinkedIn: infrastructure-associates-inc.

Infrastructure Associates, Inc. is a Houston-based engineering firm that has been operational since 1993. The company specializes in a variety of consulting and design services, including Mechanical, Electrical, and Plumbing (MEP) engineering, civil engineering, structural engineering, and construction management. Infrastructure Associates serves both public and private sector clients, focusing on innovative and sustainable solutions for construction and infrastructure projects. Their portfolio showcases a wide range of projects, from K-12 educational facilities to municipal water treatment plants and commercial developments. The firm is recognized for its commitment to quality, with a strong emphasis on sustainability, as evidenced by their experience in securing LEED certifications for various projects. Infrastructure Associates prides itself on its technical expertise and the long-term relationships it builds with clients, ensuring that their needs are met throughout the project lifecycle. The company operates with a team of experienced professionals, each bringing a wealth of knowledge to their respective fields, which enhances their ability to deliver effective engineering solutions.

15. Cobalt Engineering & Inspections

• Website: cobalt-engineering.com
• Ownership type: Private
• Headquarters: La Marque, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: cobalt-engineering-%26-inspections-llc

Cobalt Engineering & Inspections, LLC, based in La Marque, Texas, is a professional services firm that specializes in surveying, architecture, and engineering. Established in 2016, the company has quickly gained a reputation for delivering high-quality services across various sectors, including commercial construction and residential projects. Cobalt's offerings include geotechnical engineering, land surveying, civil engineering, structural engineering, mechanical, electrical, and plumbing (MEP) services, as well as disaster recovery and forensic engineering. Their commitment to utilizing cutting-edge technology and fostering employee development has positioned them as a trusted partner for clients. Cobalt has successfully navigated challenges in the construction industry, such as material costs and supply chain issues, by embracing modern technologies that enhance operational efficiency. Their growth trajectory is evidenced by their inclusion in the Inc 5000 list of America's fastest-growing companies, reflecting their increasing prominence in the engineering consulting field.

16. EEA Consulting Engineers

• Website: eeace.com
• Ownership type: Private
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: United States (USA) 98%, Mexico 2%
• Founded year: 1977
• Headcount: 51-200
• LinkedIn: energy-engineering-associates

EEA Consulting Engineers, based in Austin, Texas, is a private engineering consulting firm that specializes in Mechanical, Electrical, and Plumbing (MEP) engineering services. Established in 1977, the company has built a reputation for delivering innovative engineering solutions tailored to the unique needs of its clients. EEA offers a comprehensive suite of services, including commissioning, energy conservation, and sustainability consulting. Their client base spans various sectors, such as commercial, education, healthcare, and industrial, showcasing their adaptability and expertise. EEA is committed to fostering long-term relationships with clients, emphasizing responsiveness and quality in their work. The firm operates with an employee ownership model, which enhances their dedication to client success and project excellence. With a presence in multiple states and a portfolio of completed projects worldwide, EEA Consulting Engineers continues to be a relevant and active player in the engineering consulting industry.

17. Poznecki-Camarillo

• Website: pozcam.com
• Ownership type: Family Owned
• Headquarters: San Antonio, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1981
• Headcount: 51-200
• LinkedIn: poznecki-camarillo-inc.

Poznecki-Camarillo, LLC is a family-owned consulting firm based in San Antonio, Texas, specializing in engineering, environmental planning, surveying, and public involvement services. Founded in 1981, the company has developed a strong presence in the industry, providing essential expertise to navigate regulatory requirements and engage effectively with communities. Their services include civil engineering solutions for transportation and site development, comprehensive environmental planning, and a robust public involvement strategy that ensures stakeholder engagement throughout project lifecycles. Poznecki-Camarillo is committed to innovative problem-solving and has received multiple certifications that enhance their ability to work on municipal, state, and federal projects. The firm actively participates in community initiatives, advocating for under-resourced demographics and promoting STEM careers among young students. This commitment to community and quality service has earned them recognition as an award-winning firm in their field.

18. Dbr

• Website: dbrinc.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: April 2019
• Founded year: 1972
• Headcount: 201-500
• LinkedIn: dbr-consultants-engineering-inc.

DBR Engineering Consultants, Inc., based in Houston, Texas, is an engineering firm that specializes in MEP engineering, building commissioning, integrated technology, and sustainability solutions. Since its inception in 1972, DBR has been dedicated to improving the built environment, focusing on creating healthy and efficient spaces. The firm serves a wide range of clients across various sectors, including K-12 education, higher education, healthcare, commercial, and government projects. DBR's expertise in building commissioning has led to significant cost savings and enhanced performance for their clients. Their commitment to sustainability is evident in their engineering practices, which aim to minimize the carbon footprint of their projects. With a workforce of over 400 employees, DBR continues to make a notable impact in the engineering consulting industry, providing innovative solutions that meet the evolving demands of modern construction.

19. JGC America, Inc.

• Website: jgcamerica.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 93%, Saudi Arabia 7%
• Founded year: 2013
• Headcount: 5001-10000
• LinkedIn: jgc-america-inc

JGC America, Inc., founded in 2013 and based in Houston, Texas, is a private engineering firm that operates under the umbrella of JGC Holdings Corporation. The company focuses on project management, energy transition, and environmental consulting, catering to clients in the energy, healthcare, and industrial sectors. JGC America is dedicated to providing innovative solutions to complex engineering challenges, emphasizing sustainable practices and contributing to economic growth. With a workforce primarily located in the United States, the company also has a presence in Saudi Arabia. Their projects span various areas, including oil and gas, renewable energy, and healthcare, showcasing their capability to handle diverse engineering needs. JGC America is actively involved in initiatives related to the hydrogen economy and carbon capture technologies, positioning itself as a forward-thinking entity in the engineering consulting industry.

20. RLG Consulting Engineers

• Website: rlginc.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1953
• Headcount: 51-200
• LinkedIn: rlg-consulting-engineers

RLG Consulting Engineers, founded in 1953, is based in Dallas, Texas, and operates with a workforce of approximately 103 employees. The firm specializes in civil, structural, surveying, and forensic engineering services, providing tailored solutions to meet the unique needs of their clients. Over the decades, RLG has contributed to numerous significant projects, collaborating with various organizations, including educational institutions and healthcare systems. Their commitment to quality design and project efficiency has allowed them to maintain a strong presence in the industry. With offices in Texas and Illinois, RLG serves clients across the nation, demonstrating their capability to handle projects of varying scales and complexities. Their history of consistent growth and adaptation to market demands further underscores their relevance in the engineering consulting field.

21. Rimkus

• Website: rimkus.com
• Ownership type: Private Equity
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 82%, Canada 13%, United Kingdom (UK) 3%, Other 2%
• Latest funding: February 2024
• Founded year: 1983
• Headcount: 1001-5000
• LinkedIn: rimkus-consulting-group

Rimkus Consulting Group, based in Houston, Texas, is a consulting firm specializing in forensic engineering and consulting services. Established in 1983 by chemical engineer Robert E. Rimkus, the company has grown from a small operation to a prominent player in the industry. Rimkus offers a wide array of services that address complex challenges faced by clients in various sectors, including construction, insurance, and healthcare. Their offerings include built environment solutions, claims management, expert services, and forensic analysis, among others. The firm prides itself on its scientific approach and timely delivery of solutions, catering primarily to businesses and organizations. With a workforce of over 1,000 employees, Rimkus has a significant presence in the United States and operates in several other countries, reflecting its commitment to providing expert consulting services across the globe.

Engineering Consulting Insights: Key Companies in Texas

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