Structural engineering companies in Arizona focus on designing, analyzing, and constructing buildings and infrastructure. These firms cover a range of specializations, from residential to commercial projects, emphasizing safety and sustainability. With the state's ongoing growth and development, the demand for innovative engineering solutions increases. Many companies are adopting advanced technologies like Building Information Modeling (BIM) to enhance project efficiency. Furthermore, Arizona's focus on renewable energy is prompting structural engineers to explore sustainable design practices, reflecting a shift towards environmentally friendly construction. This dynamic sector showcases a blend of tradition and technology, paving the way for future growth.


The companies listed here represent a cross-section of the structural engineering sector in Arizona, with sizes ranging from small teams to larger firms. Founded from the 1960s to the 2010s, they are headquartered in cities like Phoenix, Tucson, Chandler, and Scottsdale. Each firm specializes in different aspects of structural engineering, including residential, commercial, and industrial projects. With employee numbers varying from around 15 to 1,000, these companies display a breadth of capabilities tailored for diverse client needs.


Read on to discover more about top structural engineering companies in Arizona.


Top 22 Structural Engineering Companies in Arizona


1. PK Associates Structural Engineers


PK Associates Structural Engineers, based in Scottsdale, Arizona, is a consulting structural engineering firm that has been operational since 1992. With a workforce of approximately 83 employees, the company specializes in a wide array of engineering services, including design-build and structural evaluations. Their clientele spans educational institutions, healthcare facilities, and commercial developers, all of whom rely on PK Associates for their expertise in ensuring the safety and integrity of construction projects. The firm is known for its innovative design approaches and thorough construction administration, which are critical in today's fast-paced construction environment. PK Associates has successfully completed numerous projects across various sectors, including the ASU West Recreation Center and the Phoenix Convention Center Expansion, showcasing their ability to manage large-scale and complex engineering challenges. The company is registered in 49 states, allowing for quick expansion into new markets as needed. Their commitment to sustainability is evident in their involvement with LEED-certified projects, further solidifying their relevance in the structural engineering industry.


2. 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 operates under the umbrella of Huitt-Zollars, which has established a strong reputation in the engineering and architecture sectors. Hoskin Ryan offers a wide range of professional services, including civil engineering, construction management, and disaster response. Their expertise extends to structural engineering, particularly in bridge and building projects. The firm serves both government entities and private businesses, focusing on delivering high-quality design and engineering solutions. With a team of around 20 employees, they have successfully completed numerous projects across various sectors, including commercial, healthcare, and transportation, showcasing their capability and commitment to quality. Their approach emphasizes integrity and client satisfaction, which has helped them maintain a solid presence in the competitive engineering market.


3. 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 inception in 2012 by Sergio Oliden, the company has focused on serving clients primarily in Arizona, contributing to various infrastructure projects such as bridges and roadways. Ethos is recognized for its commitment to a people-first culture, emphasizing teamwork, integrity, and community service. The firm has participated in notable projects, including the design of significant freeway expansions and pedestrian bridges, showcasing their expertise in structural engineering. Ethos is also a certified Disadvantaged Business Enterprise (DBE) and Small Business Enterprise (SBE), which highlights their dedication to inclusivity and community engagement. Their proactive approach to project management and client relations has fostered long-term partnerships, further solidifying their position in the engineering industry.


4. 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 wide array of services that include project viability studies, detailed engineering, and construction management. M3 has a significant presence in the structural engineering sector, offering services that cover civil, mechanical, and structural disciplines. Their client base spans various industries, including construction and manufacturing, and they have successfully completed projects in over 30 countries. M3's commitment to quality and innovation is reflected in their numerous awards, including recognition for excellence in structural engineering. The firm has also received funding, with a reported amount of $1,843,000 in June 2022, indicating ongoing growth and investment in their capabilities.


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., based in Chandler, Arizona, is an engineering and design services firm that has been operational since 1997. Originally founded as Kraemer Design Services, the company has transformed into a comprehensive provider of engineering solutions across various sectors, including commercial and industrial. KAEKO prides itself on delivering tailored solutions that meet the unique needs of each client. Their multidisciplinary team includes experts in structural engineering, civil engineering, mechanical engineering, and more, allowing them to tackle complex projects effectively. The firm emphasizes a collaborative approach to project management, ensuring that client satisfaction is at the forefront of their operations. With a workforce of approximately 91 employees, KAEKO has built a reputation for quality and integrity, with over 87% of their work coming from repeat clients. Their project portfolio spans multiple industries, showcasing their capability to handle a wide range of engineering challenges.


6. 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, established in 1984, is an engineering firm based in Scottsdale, Arizona. The company specializes in a wide array of design and engineering services, including structural engineering, civil engineering, mechanical engineering, and electrical engineering. They cater to various sectors such as commercial, industrial, and residential, focusing on delivering successful project outcomes through their expertise. Krahn's portfolio showcases their capability in handling projects of varying sizes and complexities, from multi-story commercial buildings to residential developments. Their approach emphasizes collaboration with clients and architectural teams to ensure that design and functionality align with project goals. With a dedicated team of professionals, Krahn is committed to enhancing the built environment while maintaining a focus on sustainability and efficiency.


7. Schneider Structural Engineers


Schneider Structural Engineers, based in Tucson, Arizona, is a private engineering firm specializing in structural engineering services. Established in 1999, the company has built a reputation for delivering high-quality solutions tailored to the needs of various sectors, including education, healthcare, and commercial construction. With a team of approximately 39 employees, Schneider Structural Engineers emphasizes innovative and cost-effective engineering practices. They offer a comprehensive suite of services, including planning, design, construction administration, and inspection. The firm has successfully completed numerous projects, showcasing their expertise in both small-scale and large-scale endeavors. Their commitment to client satisfaction and community engagement is evident in their approach to problem-solving and project execution. Schneider maintains licenses in multiple states, allowing them to serve a broad geographic area. Their portfolio includes notable projects such as hospitals, educational facilities, and commercial buildings, reflecting their capability to handle diverse structural challenges.


8. 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 known as KAEKO, is an engineering firm based in Chandler, Arizona, established in 1997. Initially focused on the semiconductor industry, KDS has transformed into a comprehensive engineering and design services provider. The firm specializes in various sectors, including commercial, industrial, and institutional projects. KAEKO prides itself on delivering customized engineering solutions, emphasizing quality, safety, and client collaboration. Their structural engineering team plays a crucial role in ensuring the integrity of structures, employing innovative techniques and materials to meet project demands. With a workforce of 51-200 employees, KAEKO has built a reputation for reliability and excellence, reflected in their high rate of repeat business. The company operates multiple offices across Arizona and Oregon, further extending its reach in the engineering sector.


9. Caruso Turley Scott Structural Engineers

  • Website: ctsaz.com
  • Ownership type: Private
  • Headquarters: Tempe, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1963
  • Headcount: 51-200
  • LinkedIn: caruso-turley-scott-inc-

Caruso Turley Scott Structural Engineers, based in Tempe, Arizona, has been a prominent player in the structural engineering sector since its inception in 1963. The firm specializes in a wide array of engineering services, including schematic design, construction phase services, and structural self-certification. With a team of over 50 engineers, 70% of whom are licensed professionals, they ensure high standards of technical expertise and project management. Their portfolio showcases a variety of projects across sectors such as healthcare, education, and commercial development, reflecting their capability to handle complex engineering challenges. The firm is also recognized for its commitment to sustainability, having designed several LEED-certified buildings. Their collaborative approach and strong client relationships have resulted in a high level of repeat business, underscoring their reliability and effectiveness in delivering structural solutions.


10. Grenier Engineering, Inc.

  • Website: greniereng.com
  • Ownership type: Private
  • Headquarters: Tucson, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1986
  • Headcount: 11-50
  • LinkedIn: grenier-engineering-inc.

Grenier Engineering, Inc. is a private engineering consulting firm based in Tucson, Arizona, founded in 1986 by John Grenier. The company specializes in structural and civil engineering services, serving a wide array of clients including architects, developers, contractors, and government entities. With a team of 18 professionals, Grenier Engineering prides itself on delivering high-quality construction drawings and effective project management, ensuring that projects are executed efficiently. The firm has a strong presence across multiple states, reflecting its capability to handle a variety of projects. Noteworthy achievements include their involvement in award-winning projects such as the restoration of the Fox Tucson Theatre and the design of the LEED Gold certified Unisource Energy Office Tower. Their mission emphasizes building long-term relationships with clients through personalized service and responsive solutions, which has earned them respect and loyalty in the industry.


11. 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, with a history dating back to 1962. The company employs between 51 and 200 professionals and operates multiple offices across the southwestern United States, including locations in Denver, Goodyear, Mesa, Tucson, and Window Rock. Dibble provides a comprehensive suite of services, prominently featuring structural engineering, alongside airport development, flood control, and infrastructure rehabilitation. They cater to both private and public sector clients, focusing on delivering quality projects tailored to client specifications. The firm emphasizes community involvement, having supported numerous organizations through volunteer efforts and initiatives. Their commitment to employee development is evident in their training programs and a culture that fosters professional growth. This dedication to quality and community positions Dibble as a significant player in the engineering industry.


12. United Structural Design, LLC

  • Website: unitedstr.com
  • Ownership type: Private
  • Headquarters: Mesa, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2013
  • Headcount: 11-50
  • LinkedIn: united-structural-design-llc

United Structural Design, LLC, based in Mesa, Arizona, is a structural engineering firm founded in 2013. The company specializes in providing high-quality engineering services across various sectors, including solar energy projects, self-storage facilities, commercial buildings, and hospitality developments. With a team of 17 employees, United Structural Design emphasizes safety and compliance with building codes, ensuring that their designs meet industry standards. They utilize advanced software like REVIT to enhance project execution, allowing for accurate modeling and efficient construction documentation. Their portfolio includes a range of projects, demonstrating their ability to handle both ground-up constructions and renovations. The firm operates primarily in the United States, with a second office in Las Vegas, Nevada, further extending their reach in the structural engineering market.


13. Structurology

  • Website: structurology.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 78%, India 22%
  • Founded year: 2013
  • Headcount: 51-200
  • LinkedIn: structurology

Structurology, based in Phoenix, Arizona, is a private engineering firm founded in 2013. The company specializes in structural engineering, solar energy solutions, telecommunications infrastructure, and forensic analysis. With a team of skilled professionals, Structurology provides tailored engineering services to meet the unique needs of businesses and organizations. Their projects span various sectors, showcasing their ability to deliver innovative designs and expert consulting services. Structurology emphasizes teamwork, reliability, and superior service, ensuring that each project adheres to industry standards. The firm is licensed to operate in all 50 states, which enhances its capability to serve clients nationwide. Their forensic engineering services are particularly noteworthy, as they provide precise analysis and expert evaluations to address structural concerns. Overall, Structurology is positioned as a competent player in the structural engineering field, actively contributing to projects that require specialized knowledge and expertise.


14. Willis Engineering Inc

  • Website: willisengineeringinc.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 84%, Australia 16%
  • Founded year: 2009
  • Headcount: 11-50
  • LinkedIn: willis-engineering-inc

Willis Engineering Inc, based in Phoenix, Arizona, is a structural engineering firm that has been operational since 2009. The company focuses primarily on residential building projects, offering a range of services that include structural design, value engineering, and forensic analysis. With a team of 25 employees, Willis Engineering is dedicated to ensuring that structures are safe, compliant with regulations, and tailored to the needs of builders and homeowners. Their portfolio showcases a variety of projects, from custom homes to multi-family residences, highlighting their expertise in residential construction. The firm also provides warranty support and structural observation services, demonstrating a commitment to long-term client relationships and project integrity. Their geographical reach includes operations in the United States and Australia, indicating a growing presence in the engineering sector.


15. Starling Madison Lofquist Consulting Structural & Forensic Engineers


Starling Madison Lofquist Consulting Structural & Forensic Engineers, based in Phoenix, Arizona, has been a prominent player in the structural engineering field since its inception in 1980. The firm specializes in structural and forensic engineering services, providing design and consulting for a variety of construction projects, including residential, commercial, and industrial sectors. With a team of licensed professional engineers, they offer expertise in structural failure investigations, legal expert witness testimony, and compliance with building codes. Their portfolio showcases a range of projects, from solar photovoltaic installations to complex structural designs for educational and commercial buildings. The firm has built a reputation for delivering quality engineering solutions that meet the needs of their clients, which include businesses and organizations requiring specialized analysis and design. Their longevity in the industry and commitment to professional standards highlight their significance in the structural engineering domain.


16. Felten Group, Inc.

  • Website: feltengroup.com
  • Ownership type: Private
  • Headquarters: Phoenix, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2001
  • Headcount: 51-200
  • LinkedIn: felten-group-inc-

Felten Group, Inc., founded in 2001 and based in Phoenix, Arizona, is a professional services firm that specializes in architecture, engineering, and forensic evaluations. With a workforce of 51-200 employees, the company provides comprehensive design and engineering solutions tailored for both residential and commercial projects. Their engineering services focus primarily on residential structural design, ensuring that projects meet stringent industry standards. Felten Group also offers forensic evaluations, assisting builders, homeowners, and legal professionals in navigating complex structural issues. Their team boasts extensive experience, with over 440 years of cumulative engineering and drafting expertise. The firm operates offices in Arizona, Colorado, and Washington, allowing them to serve a broad client base across multiple states. Their commitment to quality and compliance is evident in their meticulous approach to both design and construction oversight.


17. The Structures Group, Southwest


The Structures Group, Southwest Inc. is a Phoenix-based construction and engineering firm that has been operational since 1985. As a family-owned business, it specializes in structural repair and design-build services, catering primarily to architects, engineers, and developers. The company prides itself on delivering solutions that are not only timely but also budget-conscious, ensuring that projects are executed efficiently. Their expertise spans various areas, including roof structure repair, industrial construction, and tenant improvements. The Structures Group has built a reputation for reliability and quality, often collaborating closely with clients to ensure seamless project execution. They are licensed to operate in multiple states, including Arizona, Nevada, New Mexico, Colorado, Utah, and Texas, which broadens their market reach. Their commitment to integrating engineering and construction processes allows them to provide innovative solutions tailored to client needs, making them a notable player in the structural engineering sector.


18. The WLB Group, Inc.

  • Website: wlbgroup.com
  • Ownership type: Private
  • Headquarters: Tucson, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1981
  • Headcount: 51-200
  • LinkedIn: the-wlb-group-inc.

The WLB Group, Inc. is a private design and engineering firm based in Tucson, Arizona, with additional offices in Tempe, Flagstaff, and Las Vegas. Founded in 1981, the company has built a reputation for providing a wide range of services that include civil engineering, landscape architecture, hydrology, and construction management. With a workforce of approximately 98 employees, the firm serves both private and public sector clients, facilitating urban development projects through expert planning and design solutions. The WLB Group prides itself on its commitment to building strong relationships with clients and government agencies, which helps streamline project approvals and enhance service delivery. Their portfolio showcases a variety of projects that reflect their expertise in managing complex urban designs and infrastructure developments, particularly in the unique environmental conditions of the Southwest. The firm emphasizes a collaborative work environment, fostering professional growth and knowledge sharing among its staff, which contributes to their innovative approach to engineering challenges.


19. 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 projects, and construction management, catering to both public and private clients. With a workforce of over 200 employees, AZTEC has developed a reputation for its innovative and client-focused services, which balance economic, environmental, and social considerations in large-scale projects. As part of the international TYPSA Group since 2006, AZTEC has access to a broader network and resources, enhancing its capabilities in delivering effective infrastructure solutions. The firm is recognized for its commitment to building long-term client relationships and has successfully completed numerous projects, including solar power plants and transportation infrastructure. Their expertise in areas such as digital services and subsurface utility engineering further demonstrates their involvement in the industry, making them a notable player in the engineering sector.


20. Integrated Structural Concepts, LLC


Integrated Structural Concepts, LLC (ISC) is a Phoenix-based construction and engineering firm founded in 2007. The company specializes in structural design and project delivery for multifamily wood-framed structures, catering primarily to developers and builders in the multifamily housing sector. ISC employs advanced technologies, particularly Building Information Modeling (BIM), to enhance collaboration and efficiency throughout the construction process. Their service offerings include structural design, estimating, foundations, and framing, all of which are integral to the structural engineering discipline. ISC's commitment to innovation is evident in their use of Integrated Project Delivery (IPD), which fosters a collaborative team approach to design and construction. This methodology aims to align the interests of all project participants, thereby increasing efficiency and reducing waste. ISC's focus on quality and precision in their designs and construction processes positions them as a relevant player in the structural engineering industry.


21. GLHN Architects & Engineers, Inc

  • Website: glhn.com
  • Ownership type: Private
  • Headquarters: Tucson, Arizona, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1963
  • Headcount: 51-200
  • LinkedIn: glhn-architects-%26-engineers-inc

GLHN Architects & Engineers, Inc. is a private architecture and engineering firm based in Tucson, Arizona, founded in 1963. With a workforce of 51-200 employees, the company specializes in providing integrated design solutions across multiple sectors, including healthcare, education, and civic projects. GLHN emphasizes the creation of functional and efficient spaces through collaborative efforts and innovative design practices. Their portfolio includes notable projects such as the Environment & Natural Resources 2 Building at the University of Arizona and the St. Joseph’s Hospital Parking Garage Expansion. The firm operates with a strong commitment to community engagement and sustainability, ensuring that their designs not only meet client needs but also enhance the built environment. As a 100% employee-owned company, GLHN fosters a culture of ownership and accountability among its team members, which contributes to their success in delivering quality engineering and architectural services.


22. Hanlon Engineering & Architecture, Inc.


Hanlon Engineering & Architecture, Inc., based in Tucson, Arizona, is a multidisciplinary engineering firm founded in 1999. The company specializes in a range of engineering services, including civil, structural, mechanical, electrical, and instrumentation engineering. With a team of approximately 35 employees, Hanlon Engineering has successfully completed over 1,500 projects across various sectors, including mining, commercial, and industrial. Their work often involves the renovation and modernization of existing facilities, demonstrating their capability to handle complex engineering challenges. Hanlon Engineering is a wholly owned subsidiary of GR Engineering Services Limited, which enhances its expertise in process engineering consulting and contracting. The firm maintains business licenses in multiple states, allowing them to serve clients effectively across the Southwest and Mountain States. Their commitment to quality and project delivery is evident in their established methodologies and practices.



Structural Engineering Insights: Key Companies in Arizona


CompanyHeadquarterSizeFoundedOwnership
PK Associates Structural EngineersScottsdale, Arizona, United States (USA)51-2001992Private
Hoskin Ryan, a Huitt-Zollars CompanyPhoenix, Arizona, United States (USA)11-501995Private
Ethos Engineering, LLCTempe, Arizona, United States (USA)11-502012Private
M3 Engineering & Technology Corp.Tucson, Arizona, United States (USA)501-10001986Private
KAEKO, Inc.Chandler, Arizona, United States (USA)51-2001997Private
Krahn Group of Companies | USScottsdale, Arizona, United States (USA)51-2001984Private
Schneider Structural EngineersTucson, Arizona, United States (USA)11-501999Private
Kraemer Design Services, Inc.Chandler, Arizona, United States (USA)51-2001997Private
Caruso Turley Scott Structural EngineersTempe, Arizona, United States (USA)51-2001963Private
Grenier Engineering, Inc.Tucson, Arizona, United States (USA)11-501986Private
DibblePhoenix, Arizona, United States (USA)51-2001962Private
United Structural Design, LLCMesa, Arizona, United States (USA)11-502013Private
StructurologyPhoenix, Arizona, United States (USA)51-2002013Private
Willis Engineering IncPhoenix, Arizona, United States (USA)11-502009Private
Starling Madison Lofquist Consulting Structural & Forensic EngineersPhoenix, Arizona, United States (USA)11-501980Private
Felten Group, Inc.Phoenix, Arizona, United States (USA)51-2002001Private
The Structures Group, SouthwestPhoenix, Arizona, United States (USA)51-2001985Family Owned
The WLB Group, Inc.Tucson, Arizona, United States (USA)51-2001981Private
AZTEC Engineering Group, Inc.Phoenix, Arizona, United States (USA)201-5001992Corporate
Integrated Structural Concepts, LLCPhoenix, Arizona, United States (USA)51-2002007Private
GLHN Architects & Engineers, IncTucson, Arizona, United States (USA)51-2001963Private
Hanlon Engineering & Architecture, Inc.Tucson, Arizona, United States (USA)51-2001999Corporate


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