Transportation engineering companies in Arizona focus on designing, managing, and improving transportation systems. They range from small consultancies to larger firms with multi-state operations, offering services such as traffic engineering, roadway design, and infrastructure improvements. The industry is adapting to technological advancements, integrating sustainable practices while alleviating urban congestion. Notably, the industry is seeing an increase in demand for smart transportation solutions as cities aim to enhance mobility. Arizona's growing population further underscores the need for efficient transportation networks, driving opportunities for innovation and investment within this critical sector.

This list highlights 20 transportation engineering companies located in Arizona, all with unique profiles. Ranging in size from small firms with fewer than 10 employees to significant players with over 500 staff members, these firms were founded between 1955 and 2017. They are headquartered in cities like Phoenix and Scottsdale and specialize in various areas such as traffic design, environmental consulting, and construction management. Their expertise positions them to meet the evolving demands of urban infrastructure, making a substantial impact on both public and private sector projects.

Read on to discover the top transportation engineering companies in Arizona.

Top 20 Transportation Engineering Companies in Arizona

1. CivTech Inc.

• Website: civtech.com
• Ownership type: Private
• Headquarters: Scottsdale, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: civtech-inc.

CivTech Inc., based in Scottsdale, Arizona, is a consulting engineering firm that has been operational since 2002. The company specializes in traffic engineering, transportation planning, and traffic design, offering a comprehensive suite of services tailored to meet the needs of developers, municipalities, and transportation agencies. CivTech prides itself on delivering high-quality, cost-effective designs while maintaining a strong focus on client service. With a team that includes six registered Professional Engineers, the firm is well-equipped to tackle a variety of projects, ensuring safe and efficient traffic flow for both people and goods. CivTech has also been recognized for its innovative use of technology, being the first in Arizona to utilize the TransModeler program for advanced transportation planning. Their commitment to quality and integrity has earned them a solid reputation among clients and peers alike, making them a trusted partner in the transportation engineering field.

2. EPS Group, Inc.

• Website: epsgroupinc.com
• Ownership type: Private
• Headquarters: Mesa, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 201-500
• LinkedIn: eps-group-inc

EPS Group, Inc., founded in 2003 and based in Mesa, Arizona, is a civil engineering consulting firm that provides innovative solutions for land development, infrastructure, and environmental challenges. With a workforce of 214 employees, the company serves both private developers and municipalities across Arizona and Colorado. Their services include engineering, surveying, and planning, with a notable emphasis on transportation engineering. EPS Group has been involved in various transportation projects, focusing on roadway design and project management. Their commitment to enhancing community development is evident in their project portfolio, which includes significant transportation initiatives. The firm operates multiple offices in Arizona and Colorado, ensuring a broad reach within the region.

3. Entellus, Inc.

• Website: entellus.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: entellus

Entellus, Inc. is a civil engineering and construction firm based in Phoenix, Arizona, founded in 1985. With a workforce of approximately 86 employees, the company provides a range of services including civil design, land surveying, and infrastructure development. They cater to both municipal and private sector clients, focusing on innovative solutions for projects that involve transportation, water management, and urban development. Notably, Entellus has been involved in various transportation projects, such as the design and improvement of roadways, which showcases their expertise in this area. Their commitment to quality and integrity is reflected in their client testimonials and industry awards, including recognition for their work on federally funded projects. Entellus continues to adapt to the evolving needs of their clients, ensuring they remain a relevant player in the transportation engineering sector.

4. TRACE Consulting

• Website: traceconsulting.us
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: trace-consulting

TRACE Consulting is a civil engineering firm based in Phoenix, Arizona, founded in 2012. The company focuses on the aviation, roadway, and transit sectors, providing a comprehensive range of services that include traffic engineering, construction management, and surveying. TRACE Consulting has built a solid reputation for delivering high-quality, responsive services to both government agencies and private sector clients. Their project portfolio features significant infrastructure projects, such as traffic impact studies, roadway improvements, and airport enhancements, showcasing their expertise in transportation engineering. The firm is also a Certified Disadvantaged Business Enterprise (DBE) in Arizona and Utah, as well as a City of Phoenix Certified Small Business Enterprise (SBE). With a dedicated team of professionals, TRACE Consulting emphasizes creative and cost-effective solutions, ensuring that they meet the needs of their clients while contributing to the development of vital transportation infrastructure.

5. AZTEC Engineering Group, Inc.

• Website: aztec.us
• Ownership type: Corporate
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: January 2006
• Founded year: 1992
• Headcount: 201-500
• LinkedIn: aztec-engineering

AZTEC Engineering Group, Inc., established in 1992 and headquartered in Phoenix, Arizona, is a consulting firm that specializes in engineering and environmental solutions. The company provides a wide array of services, including transportation engineering, renewable energy engineering, and construction management, catering to both public and private clients. With a workforce of over 200 employees, AZTEC has built a reputation for delivering effective infrastructure solutions across various sectors. Their transportation services include significant projects in rail and transit, showcasing their expertise in this field. As part of the international TYPSA Group since 2006, AZTEC benefits from a global network while maintaining a strong focus on local projects. The firm emphasizes innovative strategies and sustainable practices, aiming to balance economic, environmental, and social factors in their work. Their commitment to client satisfaction and project excellence has fostered long-term relationships, further solidifying their position in the industry.

6. Dibble

• Website: dibblecorp.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1962
• Headcount: 51-200
• LinkedIn: dibble-engineering

Dibble is an engineering and construction management firm based in Phoenix, Arizona, established in 1962. With a workforce of approximately 154 employees, the company specializes in a variety of services, including airport development, flood control, infrastructure rehabilitation, and notably, transportation engineering. Their portfolio includes projects that cater to both public and private sectors, showcasing their ability to handle complex transportation challenges. Dibble emphasizes quality project delivery and community engagement, reflecting their commitment to enhancing infrastructure while supporting local needs. Their services in traffic engineering and transportation are critical components of their operations, making them a relevant player in the transportation engineering industry.

7. Lee Engineering, LLC

• Website: leeengineering.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1988
• Headcount: 11-50
• LinkedIn: lee-engineering-llc

Lee Engineering, LLC, based in Phoenix, Arizona, has been operational since 1988. This private firm employs between 11 to 50 professionals and is dedicated to traffic engineering. Their services cover a wide range of traffic-related needs, including traffic engineering studies, design, transportation safety, and intelligent transportation systems. Lee Engineering has worked on numerous projects that enhance traffic flow and safety, demonstrating their commitment to community improvement. They have developed traffic management systems, conducted safety audits, and designed traffic signal systems for various municipalities. Their focus on innovative solutions and collaboration with local agencies underscores their active role in the transportation engineering industry.

8. Y2K Engineering, LLC.

• Website: y2keng.com
• Ownership type: Private
• Headquarters: Mesa, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: y2k-engineering-llc.

Y2K Engineering, LLC. is a transportation planning and civil engineering firm based in Mesa, Arizona, with an additional office in Denver, Colorado. Founded in 2017, the company has quickly made a name for itself by focusing on improving mobility and safety in communities. They offer a range of services, including traffic impact analysis, road safety assessments, and the design of intelligent transportation systems. Their clientele includes both public agencies and private businesses, reflecting their ability to cater to various sectors. Y2K Engineering is recognized for its collaborative approach and commitment to delivering quality results on time and within budget. The firm is also a certified Disadvantaged Business Enterprise (DBE) and a woman-owned business, which enhances its standing in the industry. Their projects often address critical safety needs and infrastructure improvements, demonstrating their active involvement in shaping transportation solutions.

9. the CK Group, Inc.

• Website: theckgroup.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: the-ck-group-inc.

The CK Group, Inc., based in Phoenix, Arizona, is an engineering and construction management firm that has been active since 1995. With a team of 23 professionals, the company specializes in civil engineering services, particularly in transportation, traffic, and geotechnical engineering. They have successfully managed projects valued over $550 million, demonstrating their expertise in delivering infrastructure solutions tailored to the needs of federal, state, and local agencies, as well as private clients. Their services range from preliminary studies and design to construction management and material testing. The CK Group has built a solid reputation for its responsiveness and commitment to quality, earning accolades such as the APWA's Project of the Year Award and ACEC's Engineering Excellence Grand Award. Their state-of-the-art laboratory for construction materials testing further enhances their capabilities in ensuring project safety and compliance.

10. SEG International

• Website: azseg.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: Mexico 37%, Egypt 35%, United States (USA) 22%, Other 6%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: sustainability-engineering-group-llc

Sustainability Engineering Group (SEG) is a civil and architectural engineering firm based in Phoenix, Arizona, founded in 2009. The company focuses on sustainable design solutions, offering a wide array of services that include smart city planning, environmental consulting, and project management. SEG works with municipalities and private developers to create compliant and environmentally friendly infrastructure. Their expertise extends to roads and highways, where they provide engineering studies aimed at enhancing mobility and safety. SEG has established a presence in multiple locations, including offices in Dallas and Morgantown, and emphasizes collaboration and innovation in their projects. The firm is committed to the efficient use of land, water resources, and energy, aiming to lead the sustainable design movement in the communities they serve. Their CEO, Dr. Ali Fakih, has a strong background in civil engineering and sustainability, further solidifying SEG's role in the industry.

11. Ethos Engineering, LLC

• Website: ethosengineers.com
• Ownership type: Private
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: ethos-engineering-llc

Ethos Engineering, LLC, founded in 2012 and based in Tempe, Arizona, is a private engineering firm that specializes in structural, geotechnical, and civil design services. With a team of 19 employees, Ethos has carved out a niche in the Arizona market, focusing on infrastructure projects that include bridges, roadways, and various civil engineering tasks. The firm has worked on notable projects such as the SR202L South Mountain Freeway, which is the largest project in the history of the Arizona Department of Transportation (ADOT). Their services extend to transportation safety improvements and the design of pedestrian pathways, showcasing their involvement in enhancing community infrastructure. Ethos is also a certified Disadvantaged Business Enterprise (DBE) and Small Business Enterprise (SBE), which underscores their commitment to serving a broad range of clients while fostering a culture of servant leadership and community engagement.

12. Peak Engineering

• Website: peakegr.com
• Ownership type: Private
• Headquarters: Flagstaff, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 1-10
• LinkedIn: peak-engineering

Peak Engineering, Inc. is a civil engineering firm based in Flagstaff, Arizona, established in 2010. The company specializes in infrastructure design and construction administration, catering to educational institutions, municipalities, and private developers. With a team of six licensed professional engineers, Peak Engineering focuses on creating solutions that facilitate the safe and efficient movement of people and goods. Their services include civil engineering, construction administration, and site design, with a particular emphasis on addressing regional challenges unique to northeast Arizona. The firm has received recognition as the 'Best of Business' in Flagstaff for multiple years, highlighting their commitment to quality and customer service. Their portfolio showcases a variety of projects aimed at improving transportation safety, including enhancements to student pick-up zones, sidewalks, and urban trails, demonstrating their active involvement in the transportation engineering industry.

13. RITOCH-POWELL & Associates, an Ardurra Company

• Website: rpaeng.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1978
• Headcount: 51-200
• LinkedIn: ritoch-powell-%26-associates

RITOCH-POWELL & Associates, an Ardurra Company, is a private engineering firm based in Phoenix, Arizona, founded in 1978. The company specializes in a wide array of engineering services, with a strong emphasis on transportation planning and design. Their portfolio includes projects that range from complex roadway and interchange designs to the implementation of intelligent transportation systems. RITOCH-POWELL collaborates with municipalities and private utilities, providing innovative solutions to infrastructure challenges. Their commitment to community engagement and sustainable practices is evident in their project execution, ensuring that they meet the needs of both clients and the communities they serve. The firm operates with a team of experienced professionals dedicated to delivering practical and effective engineering solutions.

14. Pulice Construction, Inc.

• Website: pulice.com
• Ownership type: Private
• Headquarters: Scottsdale, Arizona, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Founded year: 1956
• Headcount: 501-1000
• LinkedIn: pulice-construction-inc-

Pulice Construction, Inc., founded in 1956, is a private construction firm based in Scottsdale, Arizona. The company specializes in heavy civil engineering and construction management, focusing on infrastructure projects that include bridges, highways, and dams. With a workforce of approximately 308 employees, Pulice has built a reputation for delivering reliable construction solutions to both public and private sector clients. They utilize various project delivery methods, such as Design-Bid-Build, Design-Build, and Construction Manager at Risk, to ensure efficient project execution. Pulice is a wholly-owned subsidiary of Dragados S.A., a major player in the global construction industry. Their project portfolio reflects a strong commitment to safety, quality, and community involvement, making them a significant contributor to infrastructure development in the region.

15. United Engineering Group

• Website: unitedeng.com
• Ownership type: Private
• Headquarters: Chandler, Arizona, United States (USA)
• Employee distribution: Egypt 67%, United States (USA) 33%
• Founded year: 1999
• Headcount: 1-10
• LinkedIn: united-engineering-group

United Engineering Group (UEG), founded in 1999, is a civil engineering firm based in Chandler, Arizona. The company specializes in a variety of consulting services, including civil engineering, development services, and notably, transportation and infrastructure. UEG has built a reputation for delivering quality solutions tailored to the needs of their clients, which include both businesses and public entities involved in real estate and infrastructure projects. Their service offerings in transportation include roadway infrastructure design, rail design services, and utility infrastructure design, showcasing their capability to handle complex engineering challenges. UEG operates across multiple states, with a strong presence on the West Coast and in the Midwest, allowing them to serve a broad client base effectively. Their team consists of experienced professionals who are committed to innovative and sustainable engineering practices, ensuring that projects are not only functional but also environmentally considerate.

16. Wood, Patel & Associates, Inc.

• Website: woodpatel.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 98%, India 2%
• Founded year: 1984
• Headcount: 51-200
• LinkedIn: wood-patel-%26-associates-inc-

Wood, Patel & Associates, Inc. is a civil engineering firm based in Phoenix, Arizona, established in 1984. The company specializes in civil engineering, land surveying, and construction management services. They cater to a variety of sectors, including commercial, education, healthcare, hospitality, and transportation. With a workforce of approximately 99 employees, Wood, Patel & Associates has built a solid reputation in Arizona, being recognized as the top civil engineering firm for over 20 consecutive years. Their expertise in transportation engineering is notable, as they have provided safe and efficient solutions for roadway and pedestrian planning, addressing both immediate and long-term infrastructure needs. The firm is committed to sustainability and community engagement, actively participating in projects that enhance the built environment while considering ecological impacts. Their recent acquisition of Geomatics Consulting Group, Inc. further strengthens their capabilities in advanced surveying and mapping services, enhancing their overall service delivery in the engineering sector.

17. J2 Design

• Website: j2design.us
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: j2-engineering-and-environmental-design

J2 Design is a civil engineering and landscape architecture firm based in Phoenix, Arizona, founded in 2002. The company specializes in innovative design solutions for public spaces, infrastructure, and community projects. With a team of 11-50 employees, J2 Design focuses on enhancing urban environments and recreational facilities for both public agencies and private clients. Their services include civil engineering, landscape architecture, hydraulic and water resources engineering, and public involvement. Notably, J2 Design has a strong emphasis on transportation design, actively contributing to projects that improve multi-modal transportation systems and pedestrian-friendly environments. Their portfolio showcases a variety of projects, including the Fiesta District, which involved a multi-modal transportation study to assess the impacts of proposed urban revitalization. J2 Design is also recognized as a Native American and Hispanic minority-owned business enterprise, reflecting their commitment to community engagement and inclusivity.

18. Hoskin Ryan, a Huitt-Zollars Company

• Website: hoskinryan.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: hoskin-ryan-consultants-inc-

Hoskin Ryan, a Huitt-Zollars Company, is a private engineering and architecture firm based in Phoenix, Arizona, founded in 1995. The company operates under the umbrella of Huitt-Zollars, which is known for its extensive range of professional services, including civil engineering, construction management, and disaster response. Hoskin Ryan focuses on delivering high-quality design and engineering solutions tailored to both government entities and private businesses. Their expertise includes significant involvement in transportation projects, such as highways, bridges, and transit systems, showcasing their commitment to enhancing infrastructure. The firm prides itself on its integrity, quality, and client satisfaction, which are central to its operational philosophy. With a team of skilled professionals, Hoskin Ryan continues to contribute to various projects that improve community connectivity and mobility.

19. FNF Construction, Inc., a MasTec Company

• Website: fnfinc.com
• Ownership type: Corporate
• Headquarters: Tempe, Arizona, United States (USA)
• Employee distribution: United States (USA) 98%, Pakistan 2%
• Latest funding: December 2023
• Founded year: 1984
• Headcount: 501-1000
• LinkedIn: fnf-construction-inc

FNF Construction, Inc., a MasTec Company, was founded in 1984 and is headquartered in Tempe, Arizona. The company specializes in heavy-highway construction and general engineering services, providing a wide array of offerings that include paving, structural work, and aggregate crushing. FNF has established a strong presence in the Southwestern United States, with projects spanning across Arizona, California, New Mexico, and Texas. Their work includes significant contributions to airport construction, roadway projects, and complex bridge structures. FNF's commitment to quality and safety has earned them recognition in the industry, including multiple awards for their construction projects. They maintain long-lasting relationships with both government and private sector clients, showcasing their reliability and expertise in transportation-related construction.

20. Certerra (Western Technologies)

• Website: wt-us.com
• Ownership type: Private
• Headquarters: Phoenix, Arizona, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Founded year: 1955
• Headcount: 201-500
• LinkedIn: western-technologies

Certerra (Western Technologies) is a private engineering firm based in Phoenix, Arizona, with a history dating back to 1955. The company specializes in environmental consulting, geotechnical engineering, materials testing, and non-destructive testing services. With a workforce of approximately 236 employees, Certerra serves clients across various sectors, including transportation, healthcare, and infrastructure. Their notable projects include significant contributions to Phoenix Sky Harbor International Airport and other major transportation initiatives. The firm operates under a professional service model, focusing on delivering high-quality engineering solutions that ensure compliance and project integrity. In 2021, Certerra merged with RMA Companies, enhancing their capabilities and expanding their reach in the market. This merger has positioned them to better serve critical infrastructure projects, particularly in the transportation sector.

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