Transportation engineering companies in Louisiana operate within an expansive industry. These firms develop critical infrastructure ranging from roads and bridges to airports and seaports. Their services include design, planning, construction management, and specialized areas like subsurface utility engineering. Not merely limited to public works, many companies also offer private sector services. The landscape of this industry is transforming, with a rise in green practices and digital tools. Given Louisiana's strategic location and robust transportation network, these companies play an integral role in ensuring efficient travel and commerce.


Top 23 transportation engineering companies in Louisiana

1. Lazenby & Associates, INC.

Lazenby & Associates is a surveying and engineering company specializing in municipal and public works projects. They offer a range of services including boundary surveying, construction inspection, land title surveys, stormwater engineering, and transportation engineering.


2. Civil Design & Construction, Inc.

  • Website: cdcbr.com
  • Headquarters: Port Allen, Louisiana, United States
  • Founded: 2005
  • Headcount: 11-50
  • LinkedIn

Civil Design & Construction, Inc. is a Louisiana-based engineering and land surveying firm offering civil engineering, cost engineering, and land surveying services. They are SBA Certified as a Woman-Owned Small Business and service the entire state of Louisiana, with nationwide cost engineering services. They also provide subsurface utility engineering to accurately locate underground utilities. CD&C is ranked #16 in the 2023 Greater Baton Rouge Business Report Book of List for women-owned businesses.


3. Vectura Consulting Services

Vectura Consulting Services is a transportation engineering firm in Louisiana that provides comprehensive design, planning and construction management solutions for all modes of travel.


4. Sigma Consulting Group, Inc.

  • Website: sigmacg.com
  • Headquarters: Baton Rouge, Louisiana, United States
  • Founded: 1987
  • Headcount: 11-50
  • LinkedIn

Sigma Consulting Group is a civil engineering and surveying company that has been delivering consulting solutions throughout the Gulf Coast since 1987. With expertise in transportation, water resources, coastal, and program management markets, Sigma offers technical excellence and a commitment to engineering. They recently merged with Waggoner Engineering, expanding their team and services. Sigma's goal is to improve the quality of life for the communities they serve while delivering seamless and comprehensive solutions to their clients.


5. Evans-Graves Engineers, Inc.

Evans-Graves Engineers Inc. is a civil engineering and land surveying company that offers services including water and wastewater engineering, regulatory assistance and permitting, program and project management, and transportation engineering. With over 67 years of experience and a team of skilled professionals, they provide comprehensive solutions to their clients' engineering needs.


6. Bonton Associates

Bonton Associates leverages data and technology to engineer thoughtful, sustainable water and transportation solutions that help communities thrive.


7. Urban Systems, inc.

Urban Systems Inc. is a comprehensive multi-modal transportation solutions provider that enhances quality of life for all users through partnerships with public and private clients. They offer traffic engineering, transportation planning, industrial and plant services, parking safety services to the Louisiana and surrounding areas.


8. Providence - An Engineering and Environmental Consulting Firm

Providence is an engineering and environmental consulting company that offers services in construction engineering, inspection, transportation, coastal engineering, surveying, permitting, compliance, and support services. They also provide expertise in environmental assessment, air and water quality, solid and hazardous waste management, groundwater evaluation, and site remediation. With a focus on growth, Providence is committed to providing innovative solutions for their clients' needs.


9. Fenstermaker

Fenstermaker is a highly diversified consulting firm that specializes in surveying, mapping, engineering, and environmental consulting. Since their establishment in 1950, they have been committed to helping their clients succeed through exceptional customer service.


10. Project Consulting Services

Project Consulting Services (PCS) is a professional services company specializing in energy infrastructure. With over 30 years of experience, PCS offers engineering, project and construction management, procurement, and regulatory expertise to deliver energy solutions. They provide services for onshore and offshore commercial, operational, and specialty projects. PCS leverages their integrity, experience, and agility to solve challenges and ensure successful project outcomes.


11. G.E.C., Inc. (GEC)

  • Website: gecinc.com
  • Headquarters: Baton Rouge, Louisiana, United States
  • Founded: 1986
  • Headcount: 201-500
  • LinkedIn

GEC Inc. is a multi-disciplinary consulting and engineering firm specializing in green infrastructure designs, renewable energy, and sustainability for future generations.


12. Intelligent Transportation Systems, LLC

  • Website: itsanswers.com
  • Headquarters: Baton Rouge, Louisiana, United States
  • Founded: 2007
  • Headcount: 11-50
  • LinkedIn

Itsanswers.com is a solutions engineering company focused on creating a safer and better world through innovation and technology. We specialize in adaptive signal systems, information security, intelligent transportation systems, cyber security consulting and training, emergency fiber-optic network repair, engineering surveillance consulting, and maintenance of ITS systems.


13. Aillet, Fenner, Jolly & McClelland

  • Website: afjmc.com
  • Headquarters: Shreveport, Louisiana, United States
  • Founded: 1960
  • Headcount: 11-50
  • LinkedIn

AFJMC is a company offering a range of services in civil, structural, mechanical, and electrical engineering, as well as surveying. They cater to various industries such as athletics, commercial, government, healthcare, education, and industrial.


14. ADG Engineering

  • Website: adginc.org
  • Headquarters: Lafayette, Louisiana, United States
  • Founded: 1981
  • Headcount: 11-50
  • LinkedIn

ADG Engineering is one of the largest engineering firms in the Southeast, offering diverse expertise in mechanical, electrical, energy, and environmental services. With a focus on essential facilities in healthcare, transportation, research, banking, government, and sports/entertainment arenas, ADG is the preferred choice for clients nationwide.


15. WDG | Architects Engineers

  • Website: wdgnola.com
  • Headquarters: New Orleans, Louisiana, United States
  • Founded: 2009
  • Headcount: 11-50
  • LinkedIn

WDG is a collaborative architecture and engineering practice based in New Orleans. We provide client-centered design services, creating affordable and practical buildings and environments that exceed expectations. Our expertise spans across industries such as healthcare, hospitality/entertainment, retail/office, and transportation.


16. Shread Kuyrkendall

Shread-Kuyrkendall & Associates is a full-service civil engineering company providing engineering design, surveying, and planning services to a diverse range of clients including towns, large agencies, and corporations.


17. TAI Engineers

TAI Engineers, LLC. is a full-service maritime solutions company offering engineering consulting, project management, and vessel design and construction services to commercial and government clients.


18. Louisiana Transportation Research Center

  • Website: ltrc.lsu.edu
  • Headquarters: Baton Rouge, Louisiana, United States
  • Founded: 1986
  • Headcount: 51-200
  • LinkedIn

Since its creation by the legislature in 1986, LTRC has grown to national prominence through its efforts to improve transportation systems in Louisiana. The center conducts short-term and long-term research and provides technology assistance, engineering training and continuing education, technology transfer, and problem-solving services to DOTD and others in the transportation community. LTRC's goal is to merge the resources of state government and universities to identify, develop, and implement new technology to improve the state's transportation system.


19. InterMat L.L.C. Consulting

Intermat LLC is a company offering services related to industrial and commercial equipment including international sourcing, manufacturing, procurement, and supply chain management.


20. Lonnie G. Harper & Associates

Lonnie G. Harper and Associates, Inc. is a civil engineering and land surveying consulting firm offering services such as coastal engineering, structural and foundation engineering, transportation engineering, surveying, land development, and permitting.


21. Transportation Consultants Inc

TCI Trucking, a transportation consulting and logistics company, offers inland transportation, container yard services, and international logistics consulting.


22. Louisiana Department Of Transportation and Development

DOTD serves the transportation and water resource needs of Louisiana residents, businesses and government partners. We are committed to teamwork, quality, integrity, professionalism, innovation and excellence in serving our customers. Our Vision: To be a leader moving Louisiana forward. Our Mission: To deliver transportation and public works systems that enhance quality of life and facilitate economic growth. Our Values: We are committed to earning the public’s trust, holding to the highest moral, ethical, and professional standards. People — We respect our coworkers for their dedication, skills, diversity and responsible actions. Excellence — We strive for high quality, ensuring the best product possible in a timely manner. Leadership — We embrace our responsibilities and empower our people to succeed. Public Service — We respond to the needs of our citizens, communities and partners in a timely manner. Accountability — We take responsibility for our performance. “The Louisiana Department of Transportation and Development (DOTD) is an equal employment opportunity employer and serves as a model employer for individuals with disabilities. DOTD does not discriminate in employment on the basis of race, color, religion, sex, national origin, political affiliation, disability, age, or pregnancy, and prohibits harassment of any type.”


23. Rail Services Corporation

  • Website: rscno.com
  • Headquarters: New Orleans, Louisiana, United States
  • Headcount: 1-10
  • LinkedIn

Rail Services Corp. is a systems integrator for communication systems, specializing in custom track layout design and dispatching for rail and transit applications.


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