Engineering consulting companies in Arizona are vital players in the state’s development ecosystem. They collaborate with clients across private and public sectors to address diverse engineering challenges. These firms typically provide services in civil, mechanical, electrical, and environmental engineering, contributing to projects such as infrastructure, renewable energy, and environmental compliance. The industry is evolving, integrating advanced technology and sustainable practices as clients increasingly focus on efficiency and ecological impacts. Firms that embrace innovation and sustainability are likely to thrive amidst changing market dynamics and demand for climate-resilient solutions.


The Arizona engineering consulting sector showcases a variety of firms, ranging from smaller companies with fewer than 50 employees to larger entities employing over 500 professionals. Many of these companies, founded in the late 20th century and early 2000s, are concentrated in metropolitan areas like Phoenix and Tucson. Each company specializes in different areas, including civil engineering, environmental consulting, and sustainable design, reflecting the state's growing focus on infrastructure and environmental sustainability.


Read on to learn more about top engineering consulting companies in Arizona.


Top 25 Engineering Consulting Companies in Arizona


1. 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., headquartered in Mesa, Arizona, is a civil engineering consulting firm that specializes in land development, infrastructure, and environmental solutions. Established in 2003, the company has grown to employ approximately 214 professionals across multiple offices in Arizona and Colorado. EPS Group serves a variety of clients, including private developers and municipalities, offering a wide range of services such as engineering, surveying, planning, and construction management. Their projects span from major public works to private developments, showcasing their capability to handle complex engineering tasks. The firm is recognized for its innovative approach and commitment to community enhancement, making it a notable entity in the engineering consulting industry.


2. Hilgartwilson

  • Website: hilgartwilson.com
  • Ownership type: Corporate
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: May 2023
  • Founded year: 2009
  • Headcount: 51-200
  • LinkedIn: hilgartwilson

Hilgartwilson, now operating under the name Colliers Engineering & Design, is a consulting and engineering firm based in Phoenix, Arizona. Founded in 2009, the company has built a reputation for providing a wide array of services that include engineering, architectural design, and consulting. They cater to various industries, helping clients achieve their project goals and improve the built environment. The firm recently underwent a rebranding following its acquisition by Colliers Engineering & Design in 2023, which has expanded their capabilities and geographic reach. This partnership allows Hilgartwilson to tap into a larger network of resources and expertise, enhancing their service offerings and career opportunities for their employees. Their commitment to client success and community development remains a core focus as they integrate into the Colliers platform.


3. 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., founded in 1992 and headquartered in Phoenix, Arizona, is a consulting firm that specializes in engineering and environmental solutions. The company serves both public and private clients, providing essential services in transportation, renewable energy engineering, and construction management. With a workforce of over 200 employees, AZTEC has expanded its reach across the United States, operating additional offices in California, Colorado, and Virginia. The firm is recognized for its innovative approaches to infrastructure projects, emphasizing economic, environmental, and social considerations. AZTEC has successfully completed numerous projects, including solar power plants and transportation infrastructure, showcasing their expertise in managing complex engineering challenges. As a subsidiary of the international TYPSA Group, AZTEC benefits from a global network and resources, enhancing its capabilities in delivering high-quality consulting services.


4. 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

SEG International, also known as the Sustainability Engineering Group (SEG), is a civil and architectural engineering firm based in Phoenix, Arizona. Founded in 2009, the company has carved a niche in sustainable design solutions, offering a comprehensive suite of services that includes smart city planning, environmental consulting, and project management. SEG works with municipalities and private developers to create infrastructure that is not only compliant but also environmentally friendly. Their projects span various sectors, including retail, healthcare, and public works, showcasing their versatility. With a workforce that includes professionals from multiple countries, SEG emphasizes collaboration and innovation in its approach. The firm is committed to integrating sustainable practices into every project, ensuring that their designs contribute positively to the environment and community. SEG has also expanded its services to include architecture, further enhancing its ability to meet client needs throughout the project lifecycle.


5. KAEKO, Inc.

  • Website: kaekoinc.com
  • Ownership type: Private
  • Headquarters: Chandler, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1997
  • Headcount: 51-200
  • LinkedIn: kraemer-design-services

KAEKO, Inc. is an engineering and design services firm based in Chandler, Arizona, with a history dating back to 1997. Originally known as Kraemer Design Services, the company has transformed over the years into a comprehensive provider of engineering solutions. KAEKO specializes in various sectors, including commercial, industrial, and advanced technology, offering services such as civil, structural, mechanical, and electrical engineering. Their approach emphasizes customized solutions tailored to the unique challenges of each project, ensuring high-quality outcomes and client satisfaction. KAEKO's commitment to integrity and safety is reflected in their operational practices, and their collaborative spirit fosters strong partnerships with clients. With a workforce of approximately 91 employees, KAEKO has built a reputation for delivering effective and efficient engineering solutions, contributing to their significant repeat business. The firm operates multiple offices across Arizona and Oregon, further extending their reach in the engineering consulting market.


6. Kraemer Design Services, Inc.

  • Website: kdsaz.com
  • Ownership type: Private
  • Headquarters: Chandler, Arizona, United States (USA)
  • Founded year: 1997
  • Headcount: 51-200
  • LinkedIn: kraemer-design-services

Kraemer Design Services, Inc., now branded as KAEKO, is an engineering firm based in Chandler, Arizona, specializing in customized engineering and design services. Founded in 1997, the company has evolved significantly over the years, initially rooted in the semiconductor industry and expanding its expertise to serve a global clientele across various sectors, including commercial, industrial, institutional, and advanced technology. KAEKO prides itself on its collaborative approach, working closely with clients to address unique project challenges. Their service offerings include civil, structural, mechanical, electrical, and chemical engineering, as well as architectural design and project management. The firm emphasizes quality and safety, ensuring that each project is executed with the highest standards. With a strong focus on client relationships, over 87% of their work comes from repeat clients, reflecting their commitment to delivering satisfactory results.


7. Hoskin Ryan, a Huitt-Zollars Company


Hoskin Ryan, a Huitt-Zollars Company, is a private engineering and architecture firm based in Phoenix, Arizona, founded in 1995. The company specializes in a wide array of professional services, including civil engineering, construction management, and disaster response. They cater to both government entities and private businesses, focusing on delivering high-quality design and engineering solutions across various sectors. Their project portfolio includes commercial, institutional, and residential developments, showcasing their capability to handle complex projects. With a workforce of around 20 employees, Hoskin Ryan emphasizes a culture of integrity and client satisfaction, which has helped them build a solid reputation in the industry. Their involvement in significant projects, particularly in the local community, further underscores their relevance in the engineering consulting sector.


8. 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 an 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, they cater to a wide array of clients across multiple sectors, including transportation, healthcare, and commercial properties. Their expertise ensures compliance with industry standards and project integrity, which is crucial for the successful execution of engineering projects. Notable projects include work for major clients such as the University of New Mexico and various Las Vegas resort casinos. In 2021, Western Technologies merged with RMA Companies, which has allowed them to expand their service offerings and enhance their operational capabilities. This merger signifies their commitment to adapting to the evolving needs of the engineering consulting market.


9. SWCA Environmental Consultants

  • Website: swca.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1981
  • Headcount: 1001-5000
  • LinkedIn: swca-environmental-consultants

SWCA Environmental Consultants, founded in 1981 and based in Phoenix, Arizona, is a private environmental consulting firm with over 1,500 employees. The company provides a wide array of services that include air quality management, cultural resource management, and spill response, catering to both government agencies and private organizations. SWCA plays a significant role in helping clients navigate environmental compliance while promoting sustainability. Their expertise extends to various sectors such as land development, energy, and transportation, where they offer engineering services like dam removal and fish passage solutions. SWCA is recognized for its commitment to sustainability, having powered its operations entirely with renewable electricity and actively participating in community initiatives. The firm has received numerous awards for its client satisfaction and innovative approaches, further solidifying its position in the environmental consulting industry.


10. 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, based in Tempe, Arizona, is an engineering firm that specializes in structural, geotechnical, and civil design services. Since its founding in 2012 by Sergio Oliden, the company has focused on providing innovative solutions for infrastructure projects, including bridges and roadways. Ethos has built a reputation for its commitment to a people-first culture, emphasizing teamwork, integrity, and community service. The firm has worked on significant projects in Arizona, collaborating with various agencies, including the Arizona Department of Transportation (ADOT). Their projects range from large-scale freeway expansions to community-focused designs, showcasing their ability to handle complex engineering challenges. Ethos is also a certified Disadvantaged Business Enterprise (DBE) and Small Business Enterprise (SBE), which highlights their dedication to quality and service in the engineering sector.


11. M3 Engineering & Technology Corp.

  • Website: m3eng.com
  • Ownership type: Private
  • Headquarters: Tucson, Arizona, United States (USA)
  • Employee distribution: United States (USA) 49%, Mexico 25%, Argentina 12%, Other 14%
  • Latest funding: $1.8M, June 2022
  • Founded year: 1986
  • Headcount: 501-1000
  • LinkedIn: m3-engineering-%26-technology

M3 Engineering & Technology Corp. is a privately held engineering firm based in Tucson, Arizona, founded in 1986. The company specializes in architecture, engineering, and construction management, providing a comprehensive suite of services that includes project viability studies, detailed engineering, and construction management. M3 serves a wide array of industries, particularly focusing on construction and manufacturing sectors. With a workforce of approximately 642 employees, the firm has expanded its reach beyond the United States, operating in Mexico, Argentina, Chile, and Peru. M3 has been involved in significant projects across various domains, including academic, commercial, and scientific endeavors, showcasing their capability to handle complex and large-scale projects. Their recent recognition as one of ENR’s Top 500 Design Firms for 2024 highlights their commitment to quality and innovation in engineering and construction. In June 2022, M3 secured funding amounting to $1,843,000, indicating a robust financial position and potential for further growth.


12. 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., founded in 2002 and based in Scottsdale, Arizona, is a consulting engineering firm that specializes in traffic engineering, transportation planning, and traffic design. With a dedicated team of professionals, including six registered Professional Engineers, CivTech focuses on delivering innovative and effective solutions for traffic-related challenges. The firm serves a variety of clients, including developers, municipalities, and transportation agencies, helping them navigate complex regulatory processes and implement efficient transportation systems. CivTech has established itself as a significant player in Arizona's traffic engineering sector, known for its commitment to quality and client satisfaction. Their services range from traffic impact analysis to intelligent transportation system design, showcasing their comprehensive approach to traffic and transportation issues.


13. Krahn Group of Companies | US

  • Website: krahn.com
  • Ownership type: Private
  • Headquarters: Scottsdale, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1984
  • Headcount: 51-200
  • LinkedIn: urban-metro-builders-inc

Krahn Group of Companies | US is an engineering firm based in Scottsdale, Arizona, founded in 1984. The company specializes in a wide array of design and engineering services, including building design, civil engineering, and landscape architecture. They cater to multiple sectors, such as commercial, industrial, and residential, ensuring that clients achieve successful project outcomes through their expertise. With a team of professionals dedicated to delivering quality results, Krahn has established a strong presence in the engineering consulting industry. Their portfolio showcases a variety of projects, reflecting their capability to handle developments of different sizes and complexities. The firm operates with a focus on client satisfaction, employing a collaborative approach to understand and meet the unique needs of each project.


14. LSW Engineers Arizona, Inc.

  • Website: lswengineers.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1947
  • Headcount: 11-50
  • LinkedIn: lsw-engineers-inc-

LSW Engineers Arizona, Inc. is a private engineering firm based in Phoenix, Arizona, specializing in mechanical, electrical, plumbing, and technology design services. Founded in 1947, the company has built a solid reputation over the decades, completing more than 20,000 projects across various sectors, including aviation, healthcare, education, and government. Their commitment to efficient project delivery and adherence to industry standards has made them a trusted partner for many clients. The firm employs a team of skilled professionals who focus on providing innovative solutions tailored to meet the specific needs of each project. LSW Engineers emphasizes collaboration and transparency, ensuring that they work closely with clients and contractors to achieve successful outcomes. Their extensive experience and dedication to quality make them a significant player in the engineering consulting industry.


15. Hawkins Design Group Inc.

  • Website: hawkinsdg.com
  • Ownership type: Private
  • Headquarters: Mesa, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1994
  • Headcount: 11-50
  • LinkedIn: hawkins-design-group-inc.

Hawkins Design Group Inc. is a consulting engineering firm based in Mesa, Arizona, established in 1994. The company specializes in electrical, lighting, and sustainable design services, catering to a wide range of sectors including healthcare, education, commercial, and industrial projects. With a team of registered professional engineers and project managers, Hawkins Design Group emphasizes customer satisfaction and has successfully completed over six thousand projects. They are particularly recognized for their work in solar energy, having served as the Engineer Of Record for nearly 400 solar projects, totaling 80 MW of power. Their commitment to quality and service is evident in their approach to project management, ensuring that each project is completed on time and within budget. Hawkins Design Group also offers additional services such as energy audits, commissioning, and mechanical and plumbing engineering coordination, making them a comprehensive resource for clients seeking engineering consulting services.


16. ASEI Engineering, Inc.

  • Website: aseiengineering.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1996
  • Headcount: 11-50
  • LinkedIn: asei-engineering-inc-

ASEI Engineering, Inc. is a consulting engineering firm located in Phoenix, Arizona, specializing in mechanical, plumbing, electrical, and telecommunications engineering. Established in 1996, the company has built a reputation for delivering precise and efficient design and consulting services across various sectors. ASEI Engineering prides itself on understanding that each project is unique, and they strive to create tailored solutions that meet client needs while adhering to budget and timeline constraints. The firm actively engages in community service, partnering with organizations like 1Mission and Habitat for Humanity, which reflects their commitment to social responsibility. ASEI Engineering operates primarily within the United States and is licensed in multiple states, allowing them to tackle a wide range of projects nationwide. Their focus on client education and involvement in the engineering process further distinguishes them in the consulting landscape.


17. GCE - George Cairo Engineering, Inc.


GCE - George Cairo Engineering, Inc. is a consulting engineering firm based in Maricopa, Arizona, founded in 2006. The company offers a comprehensive suite of professional services, including civil and agricultural engineering, surveying, and water resource management. GCE serves both public agencies and private entities, assisting them with planning, design, and construction administration for various projects. Their expertise extends to areas such as irrigation engineering, flood control, and renewable energy engineering. GCE has worked with numerous irrigation districts and has established a reputation for providing innovative solutions tailored to the specific needs of their clients. The firm is also involved in grant applications and technical support, further showcasing their commitment to facilitating project success for their clients. With a team of skilled professionals, GCE continues to play a vital role in addressing engineering challenges in the regions they serve.


18. Pearson Engineering Associates Inc.


Pearson Engineering Associates Inc. is an engineering consulting firm based in Phoenix, Arizona, specializing in mechanical, plumbing, and electrical systems design. Founded in 1969, the company has built a strong reputation over more than five decades, serving clients that include architects, contractors, and government entities. Their services are tailored to meet specific project needs, emphasizing energy efficiency and sustainability. PEA's expertise spans various sectors, including commercial, municipal, educational, industrial, and healthcare facilities. They are known for their commitment to quality and have a team of experienced professionals who ensure that projects are executed with precision and care. The firm also incorporates the latest energy conservation techniques in its designs, reflecting a proactive approach to modern engineering challenges. PEA's leadership team is composed of seasoned professionals who guide the company with integrity and dedication, further solidifying its standing in the engineering consulting industry.


19. Fulcrum

  • Website: fulcrumcompany.com
  • Ownership type: Corporate
  • Headquarters: Scottsdale, Arizona, United States (USA)
  • Latest funding: July 2022
  • Founded year: 2009
  • Headcount: 51-200
  • LinkedIn: fulcrum_2

Fulcrum, known as VERTEX, is a consulting firm based in Scottsdale, Arizona, founded in 2009. The company specializes in forensic consulting, engineering, and environmental services, providing tailored solutions to a wide array of clients, including architects, law firms, and public agencies. With a workforce of 51-200 employees, Fulcrum has established itself as a significant player in the consulting space, completing over 90,000 projects since its inception. Their services cover a broad spectrum, including structural design, construction management, environmental compliance, and project advisory. Fulcrum's commitment to continuous learning and professional development is evident in their partnerships with educational institutions, enhancing their expertise in the field. They have not reported any recent funding, indicating a stable operational model without reliance on external financial support.


20. Intertec Engineering


Intertec Engineering, established in 2002 and headquartered in Phoenix, Arizona, is an engineering consulting firm that provides specialized solutions in mechanical and electrical engineering, systems engineering, component testing, project management, and supply chain transitioning. The company serves a range of clients in the aerospace, military, and industrial sectors, helping them navigate complex engineering challenges while ensuring compliance with industry standards. Intertec's team comprises experienced engineers and subject matter experts who apply their extensive knowledge to deliver effective solutions tailored to client needs. Their services include requirements development, design optimization, and comprehensive testing, which are critical for projects in highly regulated environments. As a registered small business with a focus on quality and efficiency, Intertec Engineering has built a reputation for reliability and expertise in the engineering consulting field.


21. Wilson Engineers, LLC

  • Website: wilson-engineers.com
  • Ownership type: Private
  • Headquarters: Tempe, Arizona, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Founded year: 1985
  • Headcount: 51-200
  • LinkedIn: wilson-engineers-llc

Wilson Engineers, LLC, based in Tempe, Arizona, is an engineering firm that specializes in water, wastewater, reclaimed water, and electrical infrastructure. Founded in 1985, the company has built a solid reputation by providing comprehensive design and construction management services to municipalities, private water companies, and other engineering firms. With a workforce of over 180 professionals, Wilson Engineers has successfully completed projects exceeding one billion dollars in construction value, primarily in Arizona. Their expertise includes the design of treatment facilities, pump stations, and pipelines, as well as advanced technologies in water and wastewater management. The firm is committed to efficient project delivery and innovative solutions, ensuring that they meet the quality, schedule, and cost goals of their clients. Recently, they expanded their capabilities through the acquisition of RO Anderson Engineering, further solidifying their presence in the Southwest market.


22. Peterson Associates Consulting Engineers


Peterson Associates Consulting Engineers, based in Phoenix, Arizona, has been providing engineering consulting services since 1982. The firm specializes in mechanical, plumbing, electrical, and fire protection systems, along with construction administration services. With a team of professional engineers registered in 27 states, they have built a reputation for delivering projects that meet design standards and client expectations. Their portfolio includes a wide range of projects, from commercial buildings to healthcare facilities, demonstrating their ability to adapt to various industry demands. The firm prides itself on maintaining strong relationships with clients, architects, and contractors, ensuring that projects are executed efficiently and effectively. Their focus on quality control and value engineering reflects a commitment to sustainable and cost-effective design solutions, making them a relevant player in the engineering consulting field.


23. Coe & Van Loo Consultants Inc.

  • Website: cvlci.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1958
  • Headcount: 51-200
  • LinkedIn: coe-%26-van-loo-consultants-inc-

Coe & Van Loo Consultants Inc. (CVL) is a civil engineering firm based in Phoenix, Arizona, founded in 1958. With a workforce of approximately 96 employees, CVL specializes in a range of engineering services, including civil engineering, land surveying, water and wastewater management, stormwater management, land planning, and landscape architecture. The firm serves a variety of sectors, such as commercial, residential, public works, and renewable energy projects. CVL has built a reputation for providing comprehensive solutions to infrastructure and environmental challenges, ensuring project success through expert consultation and design. Their portfolio includes notable projects like the Arizona Fallen Firefighter Memorial and the Ritz-Carlton Resort & Residences. CVL's approach emphasizes exceptional customer service and value engineering, which has earned them recognition in the industry, including awards from the American Council of Engineering Companies (ACEC).


24. JE Fuller/Hydrology & Geomorphology, Inc


JE Fuller/Hydrology & Geomorphology, Inc. is an engineering consulting firm based in Tempe, Arizona, specializing in hydrology, hydraulics, and environmental services. Established in 1995, the company has built a reputation for providing expert solutions to a variety of clients across the Southwest. Their services include flood risk management, dam safety assessments, and applied fluvial geomorphology, among others. JE Fuller operates with a client-focused model, ensuring that each project receives personalized attention and technical proficiency. The firm is employee-owned, which fosters a culture of trust and integrity among its staff. With a team of recognized experts, JE Fuller has successfully completed numerous projects that address complex hydrological challenges, making them a valuable player in the engineering consulting industry.


25. Energy Systems Design, Inc.

  • Website: esdengineers.com
  • Ownership type: Private
  • Headquarters: Scottsdale, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: energy-systems-design-inc-

Energy Systems Design, Inc. (ESD) is an engineering firm based in Scottsdale, Arizona, specializing in mechanical, electrical, plumbing, and technology design services. Established in 1988, ESD has built a reputation for delivering innovative and effective engineering solutions tailored to the construction and development sectors. The firm prides itself on its client-focused approach, emphasizing quality and satisfaction in every project. ESD's team comprises experienced professionals, many of whom are LEED Accredited, reflecting the company's commitment to sustainable design practices. Their portfolio includes a variety of projects, from corporate offices to educational facilities, showcasing their ability to handle complex engineering challenges. ESD's philosophy centers on collaboration and continuous improvement, ensuring they remain relevant and effective in a competitive industry.



Engineering Consulting Insights: Key Companies in Arizona


CompanyHeadquarterSizeFoundedOwnership
EPS Group, Inc.Mesa, Arizona, United States (USA)201-5002003Private
HilgartwilsonPhoenix, Arizona, United States (USA)51-2002009Corporate
AZTEC Engineering Group, Inc.Phoenix, Arizona, United States (USA)201-5001992Corporate
SEG InternationalPhoenix, Arizona, United States (USA)51-2002009Private
KAEKO, Inc.Chandler, Arizona, United States (USA)51-2001997Private
Kraemer Design Services, Inc.Chandler, Arizona, United States (USA)51-2001997Private
Hoskin Ryan, a Huitt-Zollars CompanyPhoenix, Arizona, United States (USA)11-501995Private
Certerra (Western Technologies)Phoenix, Arizona, United States (USA)201-5001955Private
SWCA Environmental ConsultantsPhoenix, Arizona, United States (USA)1001-50001981Private
Ethos Engineering, LLCTempe, Arizona, United States (USA)11-502012Private
M3 Engineering & Technology Corp.Tucson, Arizona, United States (USA)501-10001986Private
CivTech Inc.Scottsdale, Arizona, United States (USA)11-502002Private
Krahn Group of Companies | USScottsdale, Arizona, United States (USA)51-2001984Private
LSW Engineers Arizona, Inc.Phoenix, Arizona, United States (USA)11-501947Private
Hawkins Design Group Inc.Mesa, Arizona, United States (USA)11-501994Private
ASEI Engineering, Inc.Phoenix, Arizona, United States (USA)11-501996Private
GCE - George Cairo Engineering, Inc.Maricopa, Arizona, United States (USA)51-2002006Private
Pearson Engineering Associates Inc.Phoenix, Arizona, United States (USA)11-501969Private
FulcrumScottsdale, Arizona, United States (USA)51-2002009Corporate
Intertec EngineeringPhoenix, Arizona, United States (USA)201-5002002Private
Wilson Engineers, LLCTempe, Arizona, United States (USA)51-2001985Private
Peterson Associates Consulting EngineersPhoenix, Arizona, United States (USA)11-501982Private
Coe & Van Loo Consultants Inc.Phoenix, Arizona, United States (USA)51-2001958Private
JE Fuller/Hydrology & Geomorphology, IncTempe, Arizona, United States (USA)11-501995Private
Energy Systems Design, Inc.Scottsdale, Arizona, United States (USA)11-501988Private


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