Transportation engineering in Michigan involves the planning, design, and maintenance of infrastructure systems. This sector includes a range of companies, from small consultancies to well-established firms, focusing on services liketraffic management, roadway design, and intelligent transportation systems. As advancements in technology promote sustainable practices, these companies are adopting innovative solutions for safer and more efficient transportation networks. With increasing public investment and a growing demand for improved infrastructure, the industry is poised for expansion, reflecting a commitment to enhancing mobility and reducing congestion across urban and rural areas alike.


The listed transportation engineering companies in Michigan vary in size and specialization. They range from small firms with fewer than 50 employees to larger firms employing over 500. Spanning across various locations such as Livonia, Grand Rapids, and Flint, these companies have been operating since as early as 1915. Their expertise includes traffic engineering, road design, environmental assessments, and construction management, showcasing a strong emphasis on community-focused infrastructure projects.


Read on to discover more about Michigan's top transportation engineering companies.


Top 24 Transportation Engineering Companies in Michigan


1. TYME Consulting Engineers

  • Website: tymeengineering.com
  • Ownership type: Private
  • Headquarters: Livonia, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2000
  • Headcount: 11-50
  • LinkedIn: tyme-engineering

TYME Consulting Engineers, Inc. is a private engineering consulting firm based in Livonia, Michigan, specializing in civil and infrastructure transportation engineering. Established in 2000, the company has built a reputation for reliability and expertise in various engineering services. Their offerings include Intelligent Transportation Systems, bridge and structural design, traffic design and studies, and construction project management. TYME's team is dedicated to improving transportation systems and safety, working closely with municipalities and government agencies across several states. Their multi-disciplinary approach allows them to tackle complex projects, ensuring that they meet the operational needs of their clients while adhering to budget constraints. With a focus on innovation and practical implementation, TYME continues to contribute to the advancement of transportation infrastructure.


2. Hubbell, Roth & Clark, Inc.

  • Website: hrcengr.com
  • Ownership type: Private
  • Headquarters: Bloomfield Hills, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1915
  • Headcount: 201-500
  • LinkedIn: hubbell-roth-%26-clark

Hubbell, Roth & Clark, Inc. (HRC) is an engineering consulting firm based in Bloomfield Hills, Michigan, with a history dating back to 1915. The company specializes in a wide array of engineering services, including civil, environmental, and construction engineering. HRC primarily serves municipal, industrial, and private clients, focusing on infrastructure improvement projects across Michigan. Their expertise extends to transportation engineering, where they provide services such as roadway design, traffic engineering, and intelligent transportation systems. HRC is committed to delivering innovative solutions that address complex engineering challenges, ensuring that their projects meet the needs of the communities they serve. With a team of skilled professionals, HRC is well-equipped to manage projects from planning and design through to construction administration, reinforcing their role as a key player in the transportation engineering sector.


3. Value Engineering

  • Website: val-engineering.com
  • Ownership type: Private
  • Headquarters: Lansing, Michigan, United States (USA)
  • Employee distribution: United States (USA) 60%, Pakistan 40%
  • Founded year: 2013
  • Headcount: 11-50
  • LinkedIn: value-engineering-llc

Value Engineering LLC, founded in 2013 and based in Lansing, Michigan, is a civil engineering firm dedicated to enhancing transportation infrastructure. With a team of 43 employees, the company focuses on road design, drainage analysis, and construction engineering, primarily serving government agencies and private clients. Their expertise extends to traffic signing design and work zone mobility analysis, showcasing their comprehensive approach to transportation projects. Value Engineering is a certified Disadvantaged Business Enterprise and a Detroit-Based Business, emphasizing their commitment to community engagement and local development. They have successfully completed various projects throughout lower Michigan, demonstrating their capability in managing both complex and straightforward roadway designs. Their core values of collaboration, innovation, and dependability guide their operations, ensuring that client satisfaction remains a priority throughout the project lifecycle.


4. Giffels Webster

  • Website: giffelswebster.com
  • Ownership type: Private
  • Headquarters: Detroit, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1952
  • Headcount: 51-200
  • LinkedIn: giffels-webster

Giffels Webster is a civil engineering firm based in Detroit, Michigan, founded in 1952. With a workforce of approximately 102 employees, the company provides a range of services that include civil engineering, community planning, surveying, traffic engineering, and landscape architecture. They cater to various markets, including transportation, municipal, public works, healthcare, education, and residential sectors. Giffels Webster is particularly noted for its involvement in projects that enhance community infrastructure, focusing on sustainable solutions that meet both current and future demands. Their expertise in traffic engineering is evident in their work with developers and municipal organizations, where they play a crucial role in planning and executing transportation-related projects. The firm has a strong commitment to improving the quality of life in the communities they serve, which is reflected in their project portfolio and community engagement efforts.


5. Rowe Professional Services Company


Rowe Professional Services Company, based in Flint, Michigan, is a consulting firm that specializes in engineering, surveying, and planning services. Founded in 1962, the company has built a robust portfolio catering to municipalities, developers, and corporations. Their expertise spans various sectors, including infrastructure and environmental projects. Rowe offers a wide range of services, such as topographic mapping, land development, and energy services. Notably, they have a dedicated transportation division that provides comprehensive solutions for transportation clients, including state departments of transportation and local agencies. Their project work includes significant undertakings like the I-75 Modernization Landscape Design and the M-25 Bridge Replacement, reflecting their commitment to enhancing transportation infrastructure. With a workforce of 201-500 employees, Rowe continues to play an active role in the engineering landscape, contributing to various projects that support community development and infrastructure improvement.


6. Prein&Newhof

  • Website: preinnewhof.com
  • Ownership type: Private
  • Headquarters: Grand Rapids, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1969
  • Headcount: 51-200
  • LinkedIn: prein%26newhof-2

Prein&Newhof is a civil engineering firm based in Grand Rapids, Michigan, established in 1969. With a workforce of around 130 professionals, the company specializes in a wide array of services, including civil engineering, environmental consulting, landscape architecture, and asset management. They primarily serve municipalities and organizations, focusing on infrastructure projects that enhance community planning and development. Notably, Prein&Newhof has a strong emphasis on transportation engineering, working on projects related to roads, streets, and non-motorized trails. Their approach is characterized by a commitment to seeing projects through from planning to construction, ensuring that client needs are met at every stage. The firm has also expanded its capabilities through strategic acquisitions, enhancing its expertise in various engineering disciplines. Their dedication to building lasting relationships and crafting sustainable solutions has made them a trusted partner in the Michigan engineering sector.


7. RS Engineering, LLC (RSE), A Clark Dietz Company

  • Website: rs-eng.com
  • Ownership type: Private
  • Headquarters: Lansing, Michigan, United States (USA)
  • Employee distribution: United States (USA) 91%, India 9%
  • Founded year: 2003
  • Headcount: 11-50
  • LinkedIn: rsengineeringllc

RS Engineering, LLC (RSE), a part of Clark Dietz, Inc., is a Michigan-based engineering firm founded in 2003. With a workforce of 34 employees, RSE specializes in civil, environmental, and transportation engineering. The company serves municipalities and organizations, focusing on infrastructure development, water management, and renewable energy projects. RSE's transportation services cover a range of areas, including highways, local roads, structural bridges, and urban revitalization efforts. Their approach emphasizes community engagement, ensuring that projects align with the needs and expectations of local stakeholders. RSE is committed to sustainable practices, integrating environmental considerations into their engineering solutions. This dedication to quality and community involvement positions RSE as a relevant player in the transportation engineering sector.


8. Soils & Structures

  • Website: soilsandstructures.com
  • Ownership type: Private
  • Headquarters: Muskegon, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1974
  • Headcount: 51-200
  • LinkedIn: soils-%26-structures

Soils & Structures is a Michigan-based engineering and consulting firm founded in 1974. The company specializes in geotechnical and structural engineering, construction material testing, and related services. With a workforce of 51-200 employees, they serve clients that include educational institutions and municipalities, providing expert solutions for various construction projects. Their service offerings include structural engineering, geotechnical engineering, pavement design services, and construction material testing, all of which are essential for the successful execution of transportation infrastructure projects. Soils & Structures operates multiple offices across Michigan, including locations in Muskegon, Ann Arbor, and Traverse City, which enhances their ability to serve local clients effectively. The firm prides itself on its commitment to quality and timely project delivery, ensuring that inspection requirements are met to keep projects on track and within budget.


9. OHM Advisors

  • Website: ohm-advisors.com
  • Ownership type: Corporate
  • Headquarters: Livonia, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: September 2011
  • Founded year: 1962
  • Headcount: 501-1000
  • LinkedIn: ohmadvisors

OHM Advisors, founded in 1962 and based in Livonia, Michigan, is a professional services firm that specializes in architecture, engineering, and planning. With a workforce of approximately 663 employees, the firm is dedicated to advancing communities through innovative solutions in various sectors, including transportation engineering. Their services cover a wide range of areas, such as construction engineering, GIS technologies, municipal engineering, and planning. OHM Advisors has a strong focus on collaborating with local governments and municipalities to improve infrastructure and community services. Their portfolio includes projects that enhance transportation systems, such as roadway improvements and bridge rehabilitations, showcasing their active involvement in the transportation engineering industry.


10. Fleis & VandenBrink

  • Website: fveng.com
  • Ownership type: Private
  • Headquarters: Grand Rapids, Michigan, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Founded year: 1993
  • Headcount: 201-500
  • LinkedIn: fleis-%26-vandenbrink

Fleis & VandenBrink is a private engineering and environmental consulting firm based in Grand Rapids, Michigan, founded in 1993. With a workforce of approximately 193 employees, the company operates multiple offices across Michigan and Indiana. They provide a wide array of services, including civil engineering, water and wastewater management, and environmental assessments. Notably, Fleis & VandenBrink has a dedicated focus on transportation engineering and traffic engineering, which are essential for developing and maintaining effective transportation systems. The firm caters to municipalities, industrial businesses, and developers, assisting them in navigating complex projects and regulatory requirements. Their approach emphasizes innovative and sustainable solutions, which is increasingly important in today’s engineering landscape. Fleis & VandenBrink has built a reputation for strong client relationships, with nearly 90% of their work coming from repeat clients, indicating a high level of satisfaction and trust in their services.


11. Smeusa

  • Website: sme-usa.com
  • Ownership type: Private
  • Headquarters: Plymouth, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1964
  • Headcount: 201-500
  • LinkedIn: soil-and-materials-engineers-inc

Smeusa, or SME, is an engineering consulting firm based in Plymouth, Michigan, founded in 1964. With a workforce of approximately 411 employees, SME specializes in a range of services that include construction engineering inspection, environmental assessments, geotechnical engineering, and pavement design. The firm serves a variety of clients, including developers, local governments, and industrial organizations, helping them navigate complex construction and environmental challenges. SME has a strong focus on transportation-related projects, particularly in construction engineering inspection for roadways and bridges, where they provide essential testing and inspection services. Their commitment to safety and quality is evident in their rigorous training programs and adherence to industry standards. Over the years, SME has built a reputation for practical solutions and innovative approaches to engineering problems, making them a valuable player in the transportation engineering sector.


12. Desai Nasr Consulting Engineers, Inc.


Desai Nasr Consulting Engineers, Inc. is a private engineering consulting firm based in West Bloomfield Township, Michigan, founded in 1980. The company specializes in civil and municipal engineering, with a strong emphasis on infrastructure planning and design. Their services include transportation engineering, land surveying, and environmental consulting, catering to a range of clients from public agencies to private sector organizations. Desai Nasr is known for its commitment to delivering effective engineering solutions that enhance community infrastructure and support sustainable development. The firm has built a reputation for its technical expertise and collaborative approach, ensuring that projects meet both regulatory standards and client expectations.


13. Spalding DeDecker

  • Website: sda-eng.com
  • Ownership type: Private
  • Headquarters: Rochester Hills, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1954
  • Headcount: 51-200
  • LinkedIn: spalding-dedecker-associates-inc.

Spalding DeDecker is an engineering and surveying firm based in Rochester Hills, Michigan, established in 1954. The company specializes in municipal engineering, land development, and construction engineering, providing a wide array of services that include transportation engineering, community planning, and infrastructure development. With a workforce of approximately 148 employees, Spalding DeDecker has built a reputation for delivering quality work and maintaining strong client relationships. Their portfolio includes projects in various sectors such as public infrastructure, education, and healthcare, with a notable emphasis on transportation markets. The firm collaborates closely with local governments and private developers, ensuring that their projects meet community needs and regulatory requirements. Their commitment to innovation and sustainability is evident in their approach to urban planning and transportation solutions, making them a relevant player in the engineering industry.


14. Williams & Works

  • Website: williams-works.com
  • Ownership type: Private
  • Headquarters: Grand Rapids, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1924
  • Headcount: 11-50
  • LinkedIn: williams-%26-works

Williams & Works is a private engineering firm based in Grand Rapids, Michigan, founded in 1924. The company specializes in civil engineering, planning, and surveying, providing a wide array of services to both public and private sector clients. With a focus on infrastructure projects and community planning, Williams & Works has built a reputation for delivering high-quality engineering solutions. Their transportation engineering services include road and highway design, traffic engineering, and road inspection, showcasing their expertise in the field. The firm operates primarily in the Midwest and emphasizes collaboration and sustainable practices in their projects. As an employee-owned company, they prioritize client relationships and strive for efficiency in their operations. Their commitment to understanding client needs and providing timely, quality service has positioned them as a reliable partner in the transportation engineering sector.


15. Surveying Solutions, Inc.

  • Website: ssi-mi.com
  • Ownership type: Private
  • Headquarters: Standish, Michigan, United States (USA)
  • Employee distribution: United States (USA) 90%, Madagascar 10%
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: surveying-solutions-inc.

Surveying Solutions, Inc. (SSI) is a professional services firm based in Standish, Michigan, established in 2001. The company specializes in surveying, engineering, and construction solutions, with a particular emphasis on the transportation sector. SSI offers a comprehensive suite of services, including municipal engineering, site development, and geospatial solutions. Their expertise extends to transportation engineering, where they provide critical services such as road and bridge design, drainage studies, and traffic control plans. The firm prides itself on delivering precise data and innovative solutions, ensuring successful project outcomes for clients in both the public and private sectors. With a dedicated team of professionals, SSI has built a reputation for quality and reliability in the construction and transportation industries.


16. Spicer Group

  • Website: spicergroup.com
  • Ownership type: Private
  • Headquarters: Saginaw, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1944
  • Headcount: 201-500
  • LinkedIn: spicer-group

Spicer Group, founded in 1944 and based in Saginaw, Michigan, is a private engineering and consulting firm that specializes in engineering, land surveying, community planning, and architecture. With a workforce of approximately 274 employees, the company has built a reputation for addressing infrastructure and environmental challenges faced by municipalities and organizations. Their services extend to transportation engineering, where they provide tailored solutions for projects that enhance roadway safety and efficiency. Spicer Group has been involved in various notable projects, including the establishment and improvement of transportation systems and infrastructure, demonstrating their commitment to community development and environmental stewardship. Their approach combines innovative technology with a strong focus on client relationships, ensuring that projects are completed on time and within budget. The firm operates entirely within the United States, emphasizing its local expertise and dedication to serving its communities.


17. Fishbeck


Fishbeck, founded in 1956 and based in Grand Rapids, Michigan, is a private professional services firm specializing in architecture, engineering, and environmental consulting. With a workforce of approximately 628 employees, the company provides a wide array of services tailored to meet the needs of various industries. Fishbeck's expertise spans multiple sectors, including civil engineering, environmental compliance, and notably, transportation engineering. Their transportation engineering services cover traffic engineering, road design, and bridge design, showcasing their capability to handle complex projects. Fishbeck has worked on significant projects for state departments of transportation, demonstrating their commitment to enhancing transportation infrastructure. Their approach combines innovative design with regulatory compliance, ensuring that projects are not only effective but also sustainable.


18. Caruso Costruzioni

  • Website: carusocostruzioni.it
  • Ownership type: Private
  • Headquarters: Milan, Michigan, United States (USA)
  • Employee distribution: Italy 100%
  • Founded year: 1952
  • Headcount: 11-50
  • LinkedIn: carusocostruzioni

Caruso Costruzioni, founded in 1952 and based in Milan, Michigan, is a private construction firm with a workforce of 11 to 50 employees. The company specializes in civil engineering and infrastructure development, offering a range of services that include hydraulic, transport, and environmental engineering. Their clientele consists of both public entities and private developers, indicating a robust engagement with various sectors. Caruso Costruzioni has successfully completed numerous projects, including significant works for public institutions such as the construction of viaducts for Anas and public buildings for the Banca d'Italia. Their commitment to quality and efficient project management is evident in their operational procedures, which aim to ensure transparency and effective communication with clients. The company has also pursued certifications in quality management and environmental standards, reflecting their dedication to sustainable practices in construction.


19. Hennessey Engineers

  • Website: hengineers.com
  • Ownership type: Private
  • Headquarters: Southgate, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1971
  • Headcount: 51-200
  • LinkedIn: hennessey-engineers-inc.

Hennessey Engineers, founded in 1971 and based in Southgate, Michigan, is a private engineering firm that specializes in civil, construction, and transportation engineering services. With a workforce of 51-200 employees, the company is dedicated to improving public infrastructure in Southeast Michigan, primarily serving municipalities and local governments. Their service offerings include project management, land surveying, and a range of engineering services aimed at enhancing community quality of life. Hennessey Engineers has a notable focus on transportation engineering, providing high-quality design services for road and bridge projects. They have been involved in various significant projects, such as the I-96 Bridges Replacement Project and the US-23 Flex Route Phase 2 Project, showcasing their expertise in the field. Their commitment to local communities and their proactive approach to project management have made them a trusted partner in infrastructure development.


20. Anderson, Eckstein & Westrick, Inc.

  • Website: aewinc.com
  • Ownership type: Private
  • Headquarters: Shelby Township, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1968
  • Headcount: 51-200
  • LinkedIn: anderson-eckstein-and-westrick-inc-

Anderson, Eckstein & Westrick, Inc. (AEW) is an engineering and architectural firm based in Shelby Township, Michigan, established in 1968. The company specializes in civil engineering, architecture, GIS, surveying, and construction services, primarily serving local municipalities and private organizations in southeast Michigan. AEW has a strong focus on community engagement, ensuring that their projects align with the needs and visions of the communities they serve. Their services include traffic engineering, where they conduct traffic studies, assess traffic circulation issues, and provide solutions for both public and private clients. AEW's commitment to quality and client satisfaction is evident in their long-standing relationships with numerous municipal clients, which account for a significant portion of their projects. The firm operates with a team of dedicated professionals who prioritize ethical practices and innovative problem-solving to deliver effective engineering solutions.


21. Ricardo Defense Inc


Ricardo Defense Inc, based in Troy, Michigan, is a private consulting firm founded in 1915. The company specializes in engineering and environmental services, offering a wide array of solutions across sectors such as aerospace, automotive, and energy. Ricardo assists clients in addressing sustainability challenges and improving operational efficiency through expert consulting and innovative engineering solutions. Their services include strategic and technical consulting, environmental assessments, and assurance testing. Notably, they have a dedicated focus on rail engineering and operations, which positions them within the transportation engineering sector. Their commitment to sustainable transport further underscores their relevance in this field.


22. Midwestern Consulting


Midwestern Consulting, LLC, based in Ann Arbor, Michigan, is a private consulting firm established in 1967. The company specializes in engineering and environmental services, with a strong emphasis on land development, permitting facilitation, and municipal project management. Their clientele includes developers, municipalities, and educational institutions, who depend on their expertise to navigate regulatory challenges and achieve successful project outcomes. Midwestern Consulting has a dedicated transportation engineering division that focuses on highway design, traffic safety, and roadway development. Their team comprises former municipal engineers and traffic operations specialists, allowing them to provide tailored solutions for transportation projects. The firm is recognized for its innovative approaches and has received accolades for its engineering designs. They are MDOT prequalified and have a history of successful collaborations with various stakeholders in the transportation sector.


23. Performance Engineers, Inc.

  • Website: performanceeng.com
  • Ownership type: Private
  • Headquarters: Charlevoix, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1990
  • Headcount: 11-50
  • LinkedIn: performance-engineers-inc

Performance Engineers, Inc. is a civil and structural engineering firm based in Charlevoix, Michigan, founded in 1990. With a team of 19 employees, the company specializes in a wide array of engineering services, including project management, geotechnical testing, and site planning. They cater to a variety of clients, including municipalities, private developers, and architects. Performance Engineers has been involved in several notable projects in northwestern Michigan, such as the Charlevoix East Park project and various municipal infrastructure improvements. Their expertise extends to designing stormwater management systems, drainage plans, and roadways, which are essential for effective transportation engineering. The firm prides itself on delivering tailored solutions that meet the unique needs of each project, ensuring efficient communication and collaboration with clients throughout the design and implementation phases.


24. Abonmarche

  • Website: abonmarche.com
  • Ownership type: Private
  • Headquarters: Benton Harbor, Michigan, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 51-200
  • LinkedIn: abonmarche

Abonmarche is a professional services firm based in Benton Harbor, Michigan, founded in 1979. The company specializes in engineering, architecture, and land surveying, providing a wide array of services to municipalities, developers, and contractors. With a workforce of approximately 173 employees, Abonmarche operates across multiple disciplines, including traffic and transportation engineering, structural engineering, and utility engineering. Their focus on creating resilient infrastructure and enhancing community livability is evident in their project portfolio, which includes significant contributions to public infrastructure and urban development. The firm prides itself on client satisfaction and collaborates closely with stakeholders to address unique challenges. Abonmarche has also expanded its capabilities through strategic alliances, such as the recent integration of Byce & Associates, enhancing their service offerings in the region.



Transportation Engineering Insights: Key Companies in Michigan


CompanyHeadquarterSizeFoundedOwnership
TYME Consulting EngineersLivonia, Michigan, United States (USA)11-502000Private
Hubbell, Roth & Clark, Inc.Bloomfield Hills, Michigan, United States (USA)201-5001915Private
Value EngineeringLansing, Michigan, United States (USA)11-502013Private
Giffels WebsterDetroit, Michigan, United States (USA)51-2001952Private
Rowe Professional Services CompanyFlint, Michigan, United States (USA)201-5001962Private
Prein&NewhofGrand Rapids, Michigan, United States (USA)51-2001969Private
RS Engineering, LLC (RSE), A Clark Dietz CompanyLansing, Michigan, United States (USA)11-502003Private
Soils & StructuresMuskegon, Michigan, United States (USA)51-2001974Private
OHM AdvisorsLivonia, Michigan, United States (USA)501-10001962Corporate
Fleis & VandenBrinkGrand Rapids, Michigan, United States (USA)201-5001993Private
SmeusaPlymouth, Michigan, United States (USA)201-5001964Private
Desai Nasr Consulting Engineers, Inc.West Bloomfield Township, Michigan, United States (USA)11-501980Private
Spalding DeDeckerRochester Hills, Michigan, United States (USA)51-2001954Private
Williams & WorksGrand Rapids, Michigan, United States (USA)11-501924Private
Surveying Solutions, Inc.Standish, Michigan, United States (USA)51-2002001Private
Spicer GroupSaginaw, Michigan, United States (USA)201-5001944Private
FishbeckGrand Rapids, Michigan, United States (USA)501-10001956Private
Caruso CostruzioniMilan, Michigan, United States (USA)11-501952Private
Hennessey EngineersSouthgate, Michigan, United States (USA)51-2001971Private
Anderson, Eckstein & Westrick, Inc.Shelby Township, Michigan, United States (USA)51-2001968Private
Ricardo Defense IncTroy, Michigan, United States (USA)201-5001915Private
Midwestern ConsultingAnn Arbor, Michigan, United States (USA)11-501967Private
Performance Engineers, Inc.Charlevoix, Michigan, United States (USA)11-501990Private
AbonmarcheBenton Harbor, Michigan, United States (USA)51-2001979Private


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