The transportation engineering sector in Illinois is a vibrant industry, filled with companies that work to transform how we move goods and people. Transportation engineering companies in Illinois cover a wide spectrum from surface transportation and rail to aviation markets, providing design, construction, and inspection services to various markets including municipal, commercial, and residential. With an eye on innovation and client satisfaction, these companies demonstrate excellence in their respective fields, offering a breadth of services such as planning, environmental design, and underwater imaging. The industry is ever-evolving, focusing on meeting modern needs and sustainability.


Top 22 transportation engineering companies in Illinois

1. Lochner

  • Website: hwlochner.com
  • Headquarters: Chicago, Illinois, United States
  • Founded: 1944
  • Headcount: 501-1000
  • LinkedIn

H.W. Lochner, Inc. is an established engineering firm specializing in surface transportation, rail, transit, and aviation markets. With a legacy of trust, collaboration, and innovation, we provide planning, environmental, design, construction engineering, and inspection services. Our comprehensive suite of offerings includes alternative delivery solutions, right of way services, and performance-driven design. We are dedicated to transforming challenges into opportunities for our clients, delivering exceptional work on time and on budget.


2. Collins Engineers, Inc.

Collins Engineers provides design and inspection services for marine facilities and infrastructure, as well as waterfront structures. They specialize in offering expertise in transportation projects and practical solutions for civil and structural engineering needs. With a focus on commercial, industrial, municipal, institutional, and residential markets, Collins Engineers offers civil/site engineering services. They also provide specialized inspection services and expertise in underwater imaging and underwater bridge inspection. Collins Engineers is committed to delivering client satisfaction through their engineering services.


3. Christopher B. Burke Engineering - Chicagoland

  • Website: cbbel.com
  • Headquarters: Rosemont, Illinois, United States
  • Founded: 1986
  • Headcount: 201-500
  • LinkedIn

CBBEL is a full-service consulting engineering and surveying firm specializing in civil, transportation/highway, municipal, traffic, construction observation, water resources, environmental, structural and mechanical engineering.


4. Fehr Graham Engineering & Environmental

Fehr Graham is a top environmental engineering services and consulting firm. They provide solutions in wastewater engineering, water engineering, municipal engineering, transportation engineering, structural engineering, landscape architecture, land development, and more.


5. TranSmart

TranSmart Technologies, Inc. is a transportation engineering company focused on providing professional engineering solutions and services for the nation's transportation infrastructure. With over 30 years of experience, they specialize in roadway design, intelligent transportation systems, traffic engineering, and construction management. Their team of skilled engineers, planners, and specialists prioritize professionalism, safety, teamwork, innovation, and quality in all their projects.


6. Civiltech Engineering, Inc.

Civiltech Engineering, Inc. is a leading engineering firm specializing in transportation and civil engineering. Our experienced team offers comprehensive services, including planning, design, and construction solutions. With a focus on innovation, we deliver high-quality and sustainable projects to improve transportation networks and community infrastructure. Based in Itasca and Chicago, Illinois, we provide responsive service and local knowledge for successful project outcomes. Join us as we collaborate and bring ideas to life.


7. BLA, Inc.

  • Website: bla-inc.com
  • Headquarters: Itasca, Illinois, United States
  • Founded: 1978
  • Headcount: 51-200
  • LinkedIn

BLA, Inc. is a civil engineering consulting firm specializing in transportation, structures, construction management, traffic engineering, and water/wastewater projects.


8. Hampton, Lenzini and Renwick, Inc. (HLR)

Hampton, Lenzini and Renwick, Inc. (HLR) is an employee-owned corporation specializing in transportation engineering, environmental, and surveying services. With a client-centric approach, HLR offers practical and creative solutions to enhance communities. Their services include construction engineering, drainage engineering, structural engineering, design engineering, traffic engineering, land acquisition, land surveying, and environmental services.


9. Willett, Hofmann & Associates, Inc.

Willett, Hofmann & Associates, Inc. is an engineering firm that provides comprehensive services in the areas of structural, transportation, water & wastewater, civil site design, architecture, and land surveying. They offer engineering solutions for design, construction, and maintenance projects, with expertise in ALTA/ACSM surveys, boundary analysis, and property assessment. The company focuses on meeting the increasing standards for drinking water and water quality through investment in education and technology.


10. WBK Engineering, LLC

WBK Engineering is a civil engineering, planning, and environmental resources consulting firm providing customer-centered professional engineering services to clients in Northern Illinois. With over 50 years of experience, WBK is recognized for its expertise in planning and development, structural engineering, and transportation. The company offers services such as design and construction, asset management, and resource management. Their projects include bridge improvements, sewer separation, and water resources management.


11. Thomas Engineering Group, LLC (TEG)

Thomas Engineering Group, LLC (TEG), founded in 2008, provides reliable, sustainable, and cost-effective solutions to the engineering needs of State, County, and Local Agency clients. They specialize in transportation, water distribution, storm water management, and more.


12. Rempe-sharpe and Associates, INC.

  • Website: rsaengr.com
  • Headquarters: Geneva, Illinois, United States
  • Founded: 1918
  • Headcount: 11-50
  • LinkedIn

Rempe-Sharpe & Associates, Inc. offers a full range of professional engineering services in the fields of civil, sanitary, storm drainage, structural, transportation, traffic, and water management engineering.


13. Heneghan and Associates, P.C.

  • Website: haengr.com
  • Headquarters: Jerseyville, Illinois, United States
  • Founded: 1986
  • Headcount: 11-50
  • LinkedIn

Heneghan and Associates is a civil engineering and surveying company offering a range of services including water projects, waste water engineering, storm water engineering, transportation engineering, land development engineering, land surveying, funding assistance, design-build construction, and specialty services.


14. Lin Engineering, Ltd.

  • Website: lineng.com
  • Headquarters: Springfield, Illinois, United States
  • Founded: 1991
  • Headcount: 11-50
  • LinkedIn

Lin Engineering, Ltd. is a consulting engineering company that specializes in transportation, structural, hydraulic, and land surveying projects. With a diverse and highly skilled staff, they provide services such as traffic signal plans, roadway improvements, bridge design, and stormwater analysis. Their management philosophy focuses on client service, human resource development, and quality assurance. They have worked with government agencies and design firms, and are prequalified in multiple districts. Lin Engineering delivers cost-effective solutions that meet the unique demands of each project.


15. AES Services, Inc.

  • Website: aesser.com
  • Headquarters: Chicago, Illinois, United States
  • Founded: 2008
  • Headcount: 11-50
  • LinkedIn

AES Services, Inc. (AES) is a company offering a range of services. Their operations include engineering, consulting, and construction management. They cater to various customer groups and provide solutions in the aviation industry. With expertise in design and planning, AES helps clients with master plan contracts and groundbreaking projects. Their business model revolves around providing professional services and collaborating with various stakeholders. AES is part of the ACEC Illinois and has a strong presence in the Chicago area.


16. Farnsworth Group, Inc.

  • Website: f-w.com
  • Headquarters: Bloomington, Illinois, United States
  • Founded: 1890
  • Headcount: 501-1000
  • LinkedIn

Farnsworth Group is an engineering and architectural firm that provides a wide range of services, including electrical, fire protection, mechanical, oil & gas, plumbing, land development, and transportation engineering. They also offer architecture, interior design, and landscape architecture services. With a focus on client collaboration and proven solutions, Farnsworth Group helps clients navigate complex projects in various industries.


17. Vaughn & Melton Consulting Engineers

Vaughn & Melton is a premier civil engineering and surveying firm that delivers quality, value, and innovative solutions to clients and communities.


18. Ardmore Roderick

Ardmore Roderick is an infrastructure consulting firm that specializes in advanced planning and design build services. They work with various government and transportation organizations to provide solutions for complex problems.


19. Millennia Professional Services

  • Website: millennia.pro
  • Headquarters: Morton, Illinois, United States
  • Founded: 2004
  • Headcount: 51-200
  • LinkedIn

Millennia Professional Services is a consulting firm specializing in engineering services for the municipal, construction, energy, geotechnical, materials testing, surveying, transportation, and water resources sectors.


20. James J. Benes & Associates, Inc.

  • Website: jjbenes.com
  • Headquarters: Lisle, Illinois, United States
  • Founded: 1970
  • Headcount: 11-50
  • LinkedIn

James J. Benes & Associates, Inc. is a civil engineering firm that has been providing professional and comprehensive services in the metropolitan Chicago area since 1970. They specialize in municipal engineering, traffic engineering, stormwater management, transportation engineering, and construction management.


21. Orion Engineers, PLLC

Orion Engineers, PLLC is a civil/structural and construction engineering firm that offers consulting services. They specialize in client-centered planning, design, and construction services for government and industry partners throughout the nation.


22. HMG Engineers, Inc.

HMG Engineers, Inc. is a consulting engineering firm that specializes in transportation and water infrastructure projects. They provide innovative and award-winning engineering design and solutions for their clients. With headquarters in Breese, Illinois, and additional offices in Mundelein and Bloomington, the company offers services in transportation, water supply, wastewater, water resources, and surveying & geomatics.


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