Transportation engineering companies in Minnesota play a crucial role in shaping infrastructure to meet growing mobility demands. This industry focuses on designing, planning, and managing transportation systems for highways, public transit, roads, and bridges. Companies vary in specialization, from traffic management to environmental sustainability, working to enhance connectivity while addressing safety and community needs. With an increasing emphasis on greener transportation solutions and smart technology integration, the industry is evolving rapidly. Collaboration between public entities and private firms is pivotal, driving innovation and efficient infrastructure development that caters to both current demands and future challenges.


The notable transportation engineering firms listed here are primarily headquartered in Minnesota. They range from small teams of around 50 employees to larger organizations with almost 5,000 staff. Companies were founded between 1949 and 2021, demonstrating a mix of established expertise and fresh perspectives. Specializations include civil engineering, environmental services, transit planning, and roadway design, showcased across both municipal projects and larger infrastructural initiatives.


Continue reading to explore the top transportation engineering companies in Minnesota.


Top 22 Transportation Engineering Companies in Minnesota


1. Seh

  • Website: sehinc.com
  • Ownership type: Private
  • Headquarters: Saint Paul, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1927
  • Headcount: 501-1000
  • LinkedIn: seh

Short Elliott Hendrickson Inc. (Seh) is an engineering and architectural firm based in Saint Paul, Minnesota. Founded in 1927, Seh has grown to employ over 1,000 professionals who provide a wide range of services, including civil engineering, construction management, and environmental consulting. The firm is particularly noted for its work in transportation engineering, offering specialized services such as traffic engineering and transportation planning. Seh collaborates with both government entities and private sector clients, addressing complex infrastructure challenges while promoting sustainable development. Their extensive experience includes the design and inspection of bridges, road and street design, and airport services, showcasing their comprehensive involvement in the transportation sector. The firm is also recognized for its commitment to community engagement and environmental stewardship, further solidifying its role in the industry.


2. Wsb

  • Website: wsbeng.com
  • Ownership type: Private Equity
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: September 2023
  • Founded year: 1995
  • Headcount: 1001-5000
  • LinkedIn: wsb-%26-associates-inc-

WSB is a consulting and engineering firm based in Minneapolis, Minnesota, founded in 1995. With a workforce of over 1,100 employees, the company focuses on infrastructure development, community planning, and environmental services. WSB serves both municipalities and private sector clients, providing innovative solutions aimed at enhancing community infrastructure and sustainability. Their expertise spans several sectors, prominently featuring transportation, where they offer services such as roadway design, traffic engineering, and transit planning. WSB is committed to building resilient infrastructure that meets the needs of communities while also addressing environmental concerns. Their projects reflect a dedication to improving transportation systems and community planning, making them a significant player in the transportation engineering field.


3. Bolton & Menk, Inc.

  • Website: bolton-menk.com
  • Ownership type: Private
  • Headquarters: Mankato, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1949
  • Headcount: 1001-5000
  • LinkedIn: bolton-%26-menk

Bolton & Menk, Inc. is an engineering firm based in Mankato, Minnesota, established in 1949. The company specializes in planning and engineering services aimed at enhancing community infrastructure. With a workforce of approximately 921 employees, Bolton & Menk serves a variety of clients, including municipalities, educational institutions, and commercial entities. Their service offerings include civil and municipal planning, water and wastewater engineering, and notably, transportation planning and engineering. This focus on transportation is crucial as it addresses the growing need for sustainable and efficient infrastructure solutions. The firm is committed to improving community livability through technical solutions and has received recognition for its projects, further solidifying its role in the transportation engineering sector.


4. Antea Group USA

  • Website: us.anteagroup.com
  • Ownership type: Private
  • Headquarters: Saint Paul, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 76%, Netherlands 8%, Belgium 6%, Other 10%
  • Founded year: 2001
  • Headcount: 1001-5000
  • LinkedIn: anteagroup

Antea Group USA is an engineering and consulting firm based in Saint Paul, Minnesota, founded in 2001. With a workforce of approximately 659 employees, the company operates primarily in the United States, while also having a presence in several other countries. Antea Group specializes in transportation infrastructure, water management, environmental management, urban development, and energy. They provide comprehensive services that address the intricate challenges faced by public entities and private organizations. In the transportation sector, Antea Group focuses on improving mobility and enhancing transportation systems through innovative solutions. Their commitment to sustainability and resource optimization is evident in their project execution, which aims to balance development with environmental stewardship.


5. Alliant Engineering, Inc.

  • Website: alliant-inc.com
  • Ownership type: Private
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1995
  • Headcount: 51-200
  • LinkedIn: alliant-engineering

Alliant Engineering, Inc., founded in 1995 and based in Minneapolis, Minnesota, is a private engineering consulting firm that specializes in a wide array of services, including civil engineering, environmental services, and construction management. With a workforce of approximately 159 employees, the company serves both public agencies and private developers, assisting them in navigating the complexities of engineering projects and regulatory requirements. Alliant Engineering is particularly noted for its contributions to transportation engineering, offering services such as traffic engineering, transportation planning, and roadway design. Their project portfolio includes significant undertakings like the reconstruction of the I-35W corridor and the Twin Ports Interchange, demonstrating their expertise in managing large-scale transportation projects. The firm emphasizes building better communities through innovative engineering solutions, reflecting a commitment to enhancing infrastructure while considering environmental impacts. Alliant Engineering operates exclusively within the United States, ensuring a focused approach to local and regional projects.


6. SRF Consulting Group

  • Website: srfconsulting.com
  • Ownership type: Private
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1961
  • Headcount: 201-500
  • LinkedIn: srf-consulting-group

SRF Consulting Group, based in Minneapolis, Minnesota, is a private consulting firm established in 1961. With a workforce of approximately 447 employees, SRF specializes in engineering and planning services, particularly in the fields of infrastructure and transportation systems. The firm offers a wide range of solutions, including roadway design, traffic and technology analysis, transit planning, and community engagement. SRF has successfully secured nearly $3 billion in funding for various projects over the past two decades, showcasing their expertise in navigating the complexities of project delivery and funding acquisition. Their approach emphasizes sustainable development and community involvement, ensuring that projects not only meet technical requirements but also resonate with the communities they serve.


7. Stonebrooke Engineering


Stonebrooke Engineering, based in Burnsville, Minnesota, is a private engineering firm that has been operational since 2003. With a workforce of approximately 59 employees, the company specializes in transportation design, land surveying, and construction management. They serve municipalities and local agencies, focusing on infrastructure projects that aim to improve community mobility and safety. Stonebrooke Engineering emphasizes responsible practices and community engagement, which are integral to their operations. Their service offerings include planning and traffic engineering, bridge and structural design, and water resource management. The firm has collaborated with clients such as the Minnesota Department of Transportation (MnDOT) and various counties and cities, demonstrating their capability and reliability in the transportation engineering field. Their commitment to innovative solutions and community involvement positions them as a significant player in the industry.


8. Krech Ojard & Associates, Inc.


Krech Ojard & Associates, Inc. is an engineering and consulting firm based in Duluth, Minnesota, established in 1984. With a workforce of approximately 78 employees, the company specializes in a wide array of engineering services, including civil, electrical, marine, mechanical, and process engineering. Krech Ojard serves multiple industries, prominently featuring transportation, mining, and energy. Their transportation engineering services include project planning, design, and management, with a strong emphasis on civil and rail engineering. The firm has successfully completed numerous projects that enhance transportation infrastructure, demonstrating their capability and commitment to the field. Their approach combines local expertise with global experience, allowing them to deliver tailored solutions to clients across North America and beyond.


9. Rani Engineering

  • Website: ranieng.com
  • Ownership type: Private
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1993
  • Headcount: 51-200
  • LinkedIn: rani-engineering-veteran-owned

Rani Engineering, LLC is a Minneapolis-based engineering firm that has been operational since 1993. As a veteran-owned and minority-owned business, Rani Engineering specializes in civil engineering, land surveying, and transportation solutions. The firm is dedicated to providing customized services to both public and private sector clients, focusing on infrastructure projects that enhance community livability and efficiency. Rani Engineering's expertise spans various areas, including transit systems, road design, site development, and water resources. They have successfully completed numerous projects, collaborating with notable clients such as the Minnesota Department of Transportation (MnDOT), the City of Minneapolis, and various counties. Their team of experienced engineers and surveyors is committed to delivering high-quality outcomes through effective project management and communication. With a strong emphasis on client satisfaction, Rani Engineering has built a reputation for reliability and excellence in the transportation engineering sector.


10. Hakanson Anderson

  • Website: haa-inc.com
  • Ownership type: Family Owned
  • Headquarters: Anoka, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1975
  • Headcount: 11-50
  • LinkedIn: hakanson-anderson-associates

Hakanson Anderson is a family-owned civil engineering firm based in Anoka, Minnesota, established in 1975. The company specializes in various engineering services, including transportation, wastewater management, water supply, stormwater management, and land surveying. With a team of experienced engineers and technicians, Hakanson Anderson has successfully completed over 10,000 projects, primarily serving local governments and private developers in the Minneapolis-St. Paul area. Their transportation engineering services focus on enhancing community infrastructure, ensuring efficient traffic flow, and accommodating growth through comprehensive planning and construction. The firm prides itself on maintaining high professional standards and fostering close relationships with clients to meet their project needs effectively.


11. Wenck

  • Website: wenck.com
  • Ownership type: Corporate
  • Headquarters: Maple Plain, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: December 2020
  • Founded year: 1985
  • Headcount: 201-500
  • LinkedIn: wenck-associates-inc-

Wenck, a corporate entity based in Maple Plain, Minnesota, was founded in 1985 and has since become a part of Stantec, an engineering and environmental consulting firm. Wenck offers a wide array of professional services, addressing complex challenges in infrastructure and sustainability. Their expertise spans community development, energy, water management, and transportation. Within the transportation sector, Wenck has contributed to various projects, showcasing their ability to provide innovative solutions and expert guidance. The firm serves both businesses and government entities, helping them navigate the intricacies of infrastructure development and environmental considerations.


12. Bonestroo

  • Website: bonestroo.com
  • Ownership type: Corporate
  • Headquarters: Saint Paul, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: July 2011
  • Founded year: 1956
  • Headcount: 201-500
  • LinkedIn: bonestroo

Bonestroo, now part of Stantec, is a consulting firm based in Saint Paul, Minnesota, specializing in community development, engineering, and environmental services. Founded in 1956, the company has built a reputation for addressing complex challenges in various sectors, including transportation. Their services in transportation engineering include planning, design, and management of transportation systems, which are crucial for enhancing mobility and connectivity in communities. Bonestroo's approach emphasizes sustainable practices and innovative design, aligning with modern demands for environmentally responsible infrastructure. The firm operates entirely within the United States, focusing on local needs while contributing to broader transportation initiatives. Their commitment to community engagement and sustainable development further solidifies their role in the transportation engineering industry.


13. HZ United, LLC

  • Website: hzunited.com
  • Ownership type: Private
  • Headquarters: Plymouth, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 79%, Nepal 21%
  • Founded year: 2005
  • Headcount: 11-50
  • LinkedIn: hz-united-llc

HZ United, LLC, based in Plymouth, Minnesota, is a civil engineering and environmental planning firm founded in 2005. The company specializes in water resources, transit and roadway design, floodplain management, and traffic engineering. With a team of experienced professionals, HZ United has built a reputation for delivering practical and environmentally conscious designs. They have successfully completed numerous infrastructure projects, collaborating with government agencies and municipalities to ensure compliance with environmental regulations. Their services include hydrologic and hydraulic modeling, traffic signal design, and construction observation, among others. HZ United has been involved in significant projects such as the Hennepin County Flying Cloud Drive and the TH 61 Hastings Bridge Replacement, showcasing their expertise in transportation engineering and commitment to sustainable solutions.


14. Vaa LLC

  • Website: vaaeng.com
  • Ownership type: Private
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Founded year: 1978
  • Headcount: 201-500
  • LinkedIn: vaa-van-sickle-allen

Vaa LLC, based in Minneapolis, Minnesota, is an engineering firm that has been active since 1978. The company specializes in multidisciplinary engineering, planning, and design services, catering to a variety of sectors including agribusiness and manufacturing. Vaa's portfolio includes significant projects in transportation engineering, particularly in rail design and port and river terminal design. They provide comprehensive solutions that ensure compliance with safety standards while enhancing operational efficiency. With a workforce of approximately 290 employees, Vaa emphasizes a collaborative approach, working closely with clients to understand their unique challenges and goals. Their expertise extends to dust hazard analysis and grant funding assistance, showcasing their commitment to safety and project viability. Vaa's extensive experience and technical capabilities position them as a relevant player in the transportation engineering sector.


15. Widseth

  • Website: widseth.com
  • Ownership type: Private
  • Headquarters: Baxter, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1975
  • Headcount: 201-500
  • LinkedIn: widseth-smith-nolting

Widseth is an architecture and engineering consulting firm based in Baxter, Minnesota, established in 1975. With a workforce of approximately 216 professionals, the company operates across multiple locations in the Upper Midwest, including Minnesota and North Dakota. Widseth provides a comprehensive suite of services, including civil engineering, environmental consulting, surveying, and architecture. They cater to a variety of clients, including municipalities, educational institutions, and private businesses, focusing on building and infrastructure projects. Their expertise in transportation engineering is evident through their work on streets, highways, and bridges, showcasing their commitment to enhancing community infrastructure. Widseth's approach emphasizes collaboration and tailored solutions, ensuring that they meet the specific needs of their clients while contributing to the development of sustainable and efficient transportation systems.


16. Ellerbe Becket

  • Website: ellerbebecket.com
  • Ownership type: Private
  • Headquarters: Minneapolis, Minnesota, United States (USA)
  • Founded year: 1909
  • Headcount: 201-500
  • LinkedIn: ellerbe-becket

Ellerbe Becket, a firm founded in 1909 and now integrated into AECOM, operates as an infrastructure consulting company based in Minneapolis, Minnesota. The firm specializes in architecture, engineering, construction management, and environmental services. With a workforce of around 201-500 employees, Ellerbe Becket has played a crucial role in various sectors, including transportation. Their projects often involve complex infrastructure challenges, particularly in urban environments, where they apply their engineering expertise to enhance transportation systems. The firm has been involved in notable projects that improve mobility and accessibility, reflecting their commitment to sustainable and efficient transportation solutions.


17. Northern Engineering & Consulting, Inc.


Northern Engineering & Consulting, Inc. (NECI), now operating under IMEG, is a civil engineering firm based in Bemidji, Minnesota. Established in 1997, the company specializes in a variety of engineering and consulting services, with a notable emphasis on transportation engineering. NECI has worked extensively with municipalities, tribal governments, and private developers, providing services that range from transportation planning and road design to construction staking and monitoring. Their team is experienced in managing projects that involve state and federal aid, showcasing their ability to navigate complex regulatory environments. The firm also offers GIS services, land surveying, and municipal engineering, further solidifying their role in infrastructure development. With a commitment to utilizing the latest technologies, NECI aims to deliver high-quality outcomes for their clients, ensuring that projects are completed efficiently and effectively.


18. Karvakko Engineering, Inc.

  • Website: karvakko.com
  • Ownership type: Private
  • Headquarters: Bemidji, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn: karvakko-engineering

Karvakko Engineering, Inc., founded in 2006 and based in Bemidji, Minnesota, is a private engineering firm that provides a range of services including engineering, surveying, landscape architecture, and environmental consulting. The company primarily serves municipalities, airports, and government entities, helping them navigate complex projects with precision and compliance. Karvakko is particularly noted for its work in transportation engineering, with services that include transportation surface improvements and aviation engineering. Their team is equipped to handle both large-scale infrastructure projects and smaller municipal needs, ensuring that they meet the unique requirements of their clients. The firm prides itself on a collaborative approach, integrating seamlessly into client organizations to deliver tailored solutions. Karvakko's commitment to community improvement is evident in their project portfolio, which includes significant contributions to local infrastructure and recreational facilities.


19. Erickson Engineering Company


Erickson Engineering Company, based in Eden Prairie, Minnesota, has been a prominent player in the engineering sector since its founding in 1951. The firm specializes in bridge design and inspection services, catering to a variety of clients, including government agencies and private enterprises. With a dedicated team of professionals boasting over 200 years of combined experience, Erickson Engineering has successfully managed numerous bridge projects across multiple states, including Minnesota, Wyoming, Ohio, and Wisconsin. Their service offerings include bridge and roadway design, construction inspection, project development, and hydrologic/hydraulic analysis. The company prides itself on delivering high-quality, cost-effective solutions tailored to meet the specific needs of their clients. Their commitment to safety and compliance is evident in their adherence to National Bridge Inspection Standards. Additionally, Erickson Engineering has received several awards for their work, including multiple MnDOT-AGC Bridge Construction Awards, underscoring their reputation in the industry.


20. Larson Engineering

  • Website: larsonengr.com
  • Ownership type: Private
  • Headquarters: White Bear Lake, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Founded year: 1979
  • Headcount: 51-200
  • LinkedIn: larson-engineering

Larson Engineering, founded in 1979 and based in White Bear Lake, Minnesota, is a private engineering firm that provides a wide array of services including civil, structural, mechanical, electrical, and specialized engineering solutions. With a workforce of approximately 242 employees, the company operates across multiple locations in the United States, demonstrating a strong presence in the engineering sector. Larson Engineering serves clients in various industries, including construction, agriculture, energy, and pulp & paper. Notably, they have a dedicated focus on railroad development services, which positions them as a key player in transportation engineering. Their expertise in this area is supported by active participation in professional organizations related to railroads, and they are recognized as an approved supplier of engineering services for major rail companies. This specialization, along with their commitment to innovative and cost-effective project designs, underscores their relevance in the transportation engineering field.


21. Sambatek

  • Website: sambatek.com
  • Ownership type: Private
  • Headquarters: Minnetonka, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1966
  • Headcount: 51-200
  • LinkedIn: sambatek

Sambatek is a consulting firm based in Minnetonka, Minnesota, founded in 1966. With a workforce of around 102 employees, the company specializes in civil engineering, environmental services, planning, and surveying. They provide tailored solutions to municipalities and private developers, assisting them in managing intricate regulatory frameworks and executing projects effectively. Sambatek's service offerings include feasibility studies, landscape architecture, urban design, and notably, transportation planning. Their portfolio features a range of projects across various sectors, including land development and renewable energy, showcasing their capability to handle complex engineering challenges. The firm is committed to fostering strong communities through innovative design and planning, making them a significant player in the transportation engineering sector.


22. LHB, Inc.

  • Website: lhbcorp.com
  • Ownership type: Venture Capital
  • Headquarters: Duluth, Minnesota, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Latest funding: $550,000, December 2024
  • Founded year: 1966
  • Headcount: 201-500
  • LinkedIn: lhbaefirm

LHB, Inc. is an architecture and engineering firm based in Duluth, Minnesota, with a history dating back to 1966. The company offers a wide array of professional services, including civil engineering, architecture, and planning, with a particular emphasis on transportation infrastructure. Their portfolio includes projects in roads, highways, and bridges, showcasing their expertise in transportation engineering. LHB serves a variety of clients, including government agencies, educational institutions, and commercial developers, focusing on innovative solutions to complex challenges. The firm has also received funding, with a notable amount reported in December 2024, indicating ongoing investment in their capabilities and services. LHB's commitment to sustainability and community-focused design further enhances their reputation in the industry.



Transportation Engineering Insights: Key Companies in Minnesota


CompanyHeadquarterSizeFoundedOwnership
SehSaint Paul, Minnesota, United States (USA)501-10001927Private
WsbMinneapolis, Minnesota, United States (USA)1001-50001995Private Equity
Bolton & Menk, Inc.Mankato, Minnesota, United States (USA)1001-50001949Private
Antea Group USASaint Paul, Minnesota, United States (USA)1001-50002001Private
Alliant Engineering, Inc.Minneapolis, Minnesota, United States (USA)51-2001995Private
SRF Consulting GroupMinneapolis, Minnesota, United States (USA)201-5001961Private
Stonebrooke EngineeringBurnsville, Minnesota, United States (USA)51-2002003Private
Krech Ojard & Associates, Inc.Duluth, Minnesota, United States (USA)51-2001984Private
Rani EngineeringMinneapolis, Minnesota, United States (USA)51-2001993Private
Hakanson AndersonAnoka, Minnesota, United States (USA)11-501975Family Owned
WenckMaple Plain, Minnesota, United States (USA)201-5001985Corporate
BonestrooSaint Paul, Minnesota, United States (USA)201-5001956Corporate
HZ United, LLCPlymouth, Minnesota, United States (USA)11-502005Private
Vaa LLCMinneapolis, Minnesota, United States (USA)201-5001978Private
WidsethBaxter, Minnesota, United States (USA)201-5001975Private
Ellerbe BecketMinneapolis, Minnesota, United States (USA)201-5001909Private
Northern Engineering & Consulting, Inc.Bemidji, Minnesota, United States (USA)11-501997Private
Karvakko Engineering, Inc.Bemidji, Minnesota, United States (USA)11-502006Private
Erickson Engineering CompanyEden Prairie, Minnesota, United States (USA)11-501951Private
Larson EngineeringWhite Bear Lake, Minnesota, United States (USA)51-2001979Private
SambatekMinnetonka, Minnesota, United States (USA)51-2001966Private
LHB, Inc.Duluth, Minnesota, United States (USA)201-5001966Venture Capital


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