The transportation engineering industry is a crucial part of Pennsylvania's economy. It consists of robust companies like Pennsylvania Department of Transportation and McCormick Taylor, Inc, that work hands-on in planning, designing, constructing, and maintaining the state's transportation infrastructure. These firms offer vital services like roads and bridges construction, highways, public transportation, and traffic management, enabling safer and more efficient commuting systems. As the need for quality infrastructure keeps increasing, these companies adapt to innovative technology and advanced engineering practices, contributing significantly to infrastructure evolution.


Top 23 transportation engineering companies in Pennsylvania

1. Pennsylvania Department of Transportation (PennDOT)

  • Website: penndot.gov
  • Headquarters: Harrisburg, Pennsylvania, United States
  • Founded: 1970
  • Headcount: 10001+
  • Latest funding type: Grant
  • LinkedIn

PennDOT, the Pennsylvania Department of Transportation, is responsible for planning, designing, constructing, and maintaining the transportation infrastructure in the state. They offer services related to roads, bridges, highways, public transportation, and traffic management.


2. McCormick Taylor, Inc.

McCormick Taylor is a professional services company specializing in transportation engineering and infrastructure. With almost 20 years of experience, our team provides design, construction, environmental planning, and program management services to government, institutions, and municipal clients. We are dedicated to making a difference in our communities by delivering high-quality projects that improve safety and quality of life.


3. McMahon Associates, Inc.

McMahon Associates is a professional services company specializing in transportation infrastructure. They offer services such as engineering, planning, design, and technology solutions. With a focus on highways, streets, structures, traffic, and parking, McMahon serves both government and private sector clients. They provide expertise in community transportation, transit, and GIS & technology. McMahon is known for their award-winning projects and commitment to giving back to the community.


4. Burns Engineering, Inc.

  • Website: burns-group.com
  • Headquarters: Philadelphia, Pennsylvania, United States
  • Founded: 1960
  • Headcount: 201-500
  • LinkedIn

Burns Engineering is a nationally respected provider of specialized engineering services for complex transportation and critical infrastructure projects. With over 60 years of experience, they bring highly-technical engineering expertise to deliver innovative solutions. Burns is known for outstanding client service, problem-solving, and alleviating clients' concerns.


5. SAI Consulting Engineers, Inc.

  • Website: saiengr.com
  • Headquarters: Pittsburgh, Pennsylvania, United States
  • Founded: 1964
  • Headcount: 51-200
  • LinkedIn

SAI Consulting Engineers is a transportation-focused civil engineering and construction management firm offering bridge and highway design, structural inspection, traffic engineering, design management, and construction management and inspection services. With nearly 60 years of experience, SAI provides innovative and reliable engineering services to government and private sector clients.


6. Stahl Sheaffer Engineering

Stahl Sheaffer Engineering provides multi-discipline civil engineering services to public and private clients in multiple industries. Their services include building structural engineering, bridge design and inspection, construction inspection, geotechnical engineering, land development, survey and reality capture, and transportation engineering.


7. Susquehanna Civil Inc.

  • Website: sqcivil.com
  • Headquarters: York, Pennsylvania, United States
  • Founded: 2008
  • Headcount: 51-200
  • LinkedIn

Susquehanna Civil Inc. is an engineering firm specializing in civil engineering and surveying services. They offer a wide range of services including roadway design, environmental analysis, water resources management, geotechnical services, and structures design. With a dedicated team of professionals, they strive to provide high-quality infrastructure engineering and support services to their clients. Located in York, PA.


8. KMJ Consulting, Inc.

  • Website: kmjinc.com
  • Headquarters: Ardmore, Pennsylvania, United States
  • Founded: 1998
  • Headcount: 11-50
  • LinkedIn

KMJ Consulting Inc. is a transportation consulting company that specializes in providing training, technical support, and stakeholder engagement services. With over 35 years of experience, KMJ Consulting works with clients to understand their needs and provide innovative solutions. They offer training programs tailored to the specific user, timely technical support for transportation data programs, and effective stakeholder engagement to deliver successful projects. KMJ Consulting has completed projects for various clients in the transportation industry, including PennDOT, The City of Philadelphia, and the Philadelphia International Airport.


9. CKS Engineers, INC.

CKS Engineers, Inc., an ARRO Consulting company, provides quality engineering services for clients. They offer a full range of services including feasibility studies, engineering design, and construction management. Their capabilities include parks and recreational facilities, municipal engineering, wastewater facilities, water supply facilities, stormwater management, transportation engineering, geographical information systems, mapping, and construction management.


10. American Engineers Group, LLC

American Engineers Group, LLC (AEG) is a multi-disciplined professional consulting firm providing civil, structural, transportation, and geotechnical engineering, surveying, environmental, water resources, and construction testing and inspection services.


11. Trans Associates Engineering Consultants

Trans Associates is a transportation planning and engineering firm specializing in providing safe and effective solutions for local communities. They offer services such as transportation design, traffic signal design, parking consulting, and bike and pedestrian facility design.


12. Drive Engineering

Drive Engineering is a transportation engineering firm that offers services in ITS (Intelligent Transportation Systems), traffic engineering, systems engineering, incident management, planning, and construction inspection. They provide data-driven solutions to improve mobility, operations, and safety. With expertise in ITS architecture, asset management, and ATMS testing, Drive is a full-project resource during all project stages. They have experience in all aspects of the system engineering development lifecycle and have worked on projects throughout the East Coast. Drive Engineering also offers staff augmentation services and has expertise in incident management and connected/autonomous vehicles.


13. Michael Baker International

  • Website: mbakerintl.com
  • Headquarters: Pittsburgh, Pennsylvania, United States
  • Founded: 1940
  • Headcount: 1001-5000
  • LinkedIn

Michael Baker International is a leading provider of engineering and consulting services. With a strong focus on infrastructure projects, the company offers a wide range of expertise in areas such as bridge construction, highway design, and water management. Their team of professionals is dedicated to delivering innovative solutions to complex challenges, ensuring the success of their clients' projects.


14. Larson Design Group

Larson Design Group is an award-winning, employee-owned Architecture, Engineering, and Consulting firm. They offer full-service offerings and have a national reach, enabling them to serve public and private clients across diverse industries. They are dedicated to enhancing client relationships, developing their employee owners, and improving the communities they serve.


15. Carroll Engineering Corporation

Carroll Engineering Corporation is a consulting engineering, planning, and surveying firm. With a team of professionals and staff in Southeastern Pennsylvania and Central New Jersey, they provide a wide range of services including wastewater engineering, water facilities engineering, municipal engineering, planning & site design, traffic & transportation engineering, structural engineering, environmental engineering, construction administration & observation, surveying, and GIS & IT.


16. C.S. Davidson, Inc.

C.S. Davidson is a civil engineering firm that partners with local municipalities to improve communities. Their services include municipal engineering, stormwater management, water and wastewater solutions, parks and recreation development, transportation planning, and structural engineering for industrial buildings and bridges.


17. Locomation, Inc.

  • Website: locomation.ai
  • Headquarters: Pittsburgh, Pennsylvania, United States
  • Founded: 2018
  • Headcount: 51-200
  • Latest funding type: Seed
  • LinkedIn

Locomation is a company that specializes in autonomous trucking solutions. They offer advanced technology and services to enable safe and efficient autonomous trucking operations. Their goal is to revolutionize the transportation industry through the deployment of autonomous trucks.


18. Morris Knowles & Associates, Inc. (A Hammontree Company)

Morris Knowles & Associates is a civil engineering and surveying company based in Delmont, Pennsylvania. They offer a wide range of specialized services, including construction monitoring, environmental assessments, site evaluations, and landscape architecture. With expertise in various industries such as oil and gas, municipal engineering, and transportation, they provide comprehensive planning, design, and construction services. As a part of Hammontree Company, they have been recognized as one of the fastest-growing engineering firms in the nation.


19. Snyder Hoffman Associates, Inc.

Snyder Hoffman Associates, Inc. is a mechanical and electrical consulting engineering firm that provides services in various sectors including municipal, transportation, community, secondary education, and multi-family and hospitality.


20. Landcore Engineering Consultants

Landcore Consulting is a remote-based company that was established in 2006. We value diversity and inclusivity, fostering a culture of teamwork and continual improvement. Our expertise lies in civil engineering consulting, providing exceptional service through our talented and dedicated team. We prioritize the well-being of our employees by offering comprehensive benefits and opportunities for professional growth.


21. ELA Group, Inc.

  • Website: elagroup.com
  • Headquarters: Lititz, Pennsylvania, United States
  • Founded: 1996
  • Headcount: 11-50
  • LinkedIn

ELA Group, Inc. is an engineering and landscape architecture company that provides innovative and technically sound project solutions. With offices in Lititz, State College, and Butler, PA, they offer a wide range of services to both public and private sectors.


22. Tri-State Design & Development Inc.

Tri-State Design and Development is a multi-disciplinary Consulting Architectural / Engineering firm that offers a comprehensive line of engineering services. With extensive experience in civil, structural, electrical, HVAC, plumbing, and fire protection design, as well as construction inspection and management services, we provide high quality engineering solutions to public agencies and private industry.


23. Lehigh Engineering Associates

Lehigh Engineering Associates Inc. specializes in civil engineering services including traffic engineering, land surveying, subdivision design, residential and commercial land developments, septic design, and traffic studies.


Want to find more transportation engineering companies?


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