Structural engineering companies in Massachusetts play a critical role in designing safe and functional buildings and infrastructures. These firms offer services ranging from new construction to renovations, focusing on safety, sustainability, and compliance with regulatory standards. With increasing emphasis on green building practices and resilient infrastructure, the industry is moving toward eco-friendly designs. As technology evolves, the incorporation of advanced modeling tools and analytics is expected to impact how structural engineering challenges are approached, making it an exciting field that blends traditional techniques with innovation.


The structural engineering sector in Massachusetts is home to a variety of firms, with sizes spanning from small teams of 10 to large companies with over 1,000 employees. Many of these companies have established their headquarters in key locations like Boston, Waltham, and Woburn. They were founded as early as 1930 and as late as 2013, showcasing a range of experience and specializations, including civil, environmental, and architectural engineering. Their projects vary from residential buildings to complex infrastructure, demonstrating their adaptability to different client needs.


Continue reading to explore the top structural engineering companies in Massachusetts.


Top 24 Structural Engineering Companies in Massachusetts


1. Simpson Gumpertz & Heger (SGH)

  • Website: sgh.com
  • Ownership type: Private
  • Headquarters: Waltham, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1956
  • Headcount: 501-1000
  • LinkedIn: simpson-gumpertz-%26-heger-inc

Simpson Gumpertz & Heger Inc. (SGH) is an engineering firm based in Waltham, Massachusetts, with a history dating back to 1956. The company specializes in structural design, building enclosures, and advanced analysis, catering to a wide range of clients in sectors such as commercial, education, healthcare, and infrastructure. SGH provides solutions for new construction, rehabilitation, and performance evaluation of structures, ensuring that projects meet safety and compliance standards. With a workforce of approximately 887 employees, SGH combines expertise in engineering with a commitment to research and applied science, allowing them to tackle complex challenges in the built environment. Their portfolio includes notable projects that reflect their capabilities in both innovative design and restoration efforts. SGH is also active in industry discussions, contributing to advancements in engineering practices and standards.


2. GEI Consultants, Inc.

  • Website: geiconsultants.com
  • Ownership type: Private
  • Headquarters: Woburn, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 76%, Canada 24%
  • Founded year: 1970
  • Headcount: 1001-5000
  • LinkedIn: gei-consultants-inc-

GEI Consultants, Inc. is an engineering consulting firm based in Woburn, Massachusetts, established in 1970. With a workforce of over 1,400 employees, the company specializes in providing innovative solutions across multiple sectors, including water resources, energy, buildings, infrastructure, and industrial services. GEI serves a wide range of clients, including governmental agencies, developers, and private entities, assisting them in navigating complex projects and regulatory challenges. Their expertise spans planning, design, engineering, and construction management, with a strong emphasis on civil design and geotechnical services. GEI has successfully completed over 50,000 projects globally, showcasing their capability and commitment to quality in engineering services. The firm is also recognized for its contributions to environmental and infrastructure projects, further solidifying its position in the engineering industry.


3. Tighe & Bond

  • Website: tighebond.com
  • Ownership type: Private
  • Headquarters: Westfield, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1911
  • Headcount: 501-1000
  • LinkedIn: tighe-%26-bond

Tighe & Bond is an engineering and environmental consulting firm based in Westfield, Massachusetts, with a history dating back to 1911. The company operates as a private entity and employs around 602 professionals. Tighe & Bond offers a wide array of services, including structural engineering, environmental consulting, landscape architecture, and planning. They cater to a variety of clients, such as municipalities, educational institutions, and private developers, assisting them in navigating complex projects and regulatory requirements. Their structural engineering services are part of their broader building services, which also include mechanical, electrical, and plumbing (MEP) engineering, as well as geotechnical engineering. Tighe & Bond is committed to sustainability and resilience in their projects, reflecting a modern approach to engineering that addresses current environmental challenges. They have a strong presence in the Northeast, working on projects that enhance community infrastructure and environmental quality.


4. Nitsch Engineering

  • Website: nitscheng.com
  • Ownership type: Private
  • Headquarters: Boston, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 99%, Other 1%
  • Founded year: 1989
  • Headcount: 51-200
  • LinkedIn: nitsch-engineering

Nitsch Engineering, based in Boston, Massachusetts, is a private engineering firm founded in 1989. With a workforce of approximately 168 employees, the company specializes in civil, transportation, and structural engineering, alongside green infrastructure and resilience. Nitsch Engineering serves a variety of clients, including municipalities, educational institutions, and private entities, focusing on creating sustainable and effective infrastructure solutions. Their collaborative approach ensures that projects are tailored to meet the unique needs of each client. The firm has been involved in numerous projects that highlight their expertise in structural engineering, such as bridge designs and urban infrastructure improvements. Nitsch Engineering has also been recognized for its commitment to sustainability, integrating green infrastructure techniques into their designs. Their dedication to community engagement and innovative problem-solving further solidifies their position in the engineering industry.


5. RSE Associates, Inc.

  • Website: rseassociates.com
  • Ownership type: Private
  • Headquarters: Watertown, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2001
  • Headcount: 11-50
  • LinkedIn: rse-associates-inc-

RSE Associates, Inc. is a structural engineering firm based in Watertown, Massachusetts, founded in 2001 by Richmond So. The company specializes in a comprehensive range of structural engineering services, including new construction, adaptive reuse, and structural investigations. RSE Associates has worked on a variety of project types, such as museums, educational facilities, civic buildings, and residential structures. Their client base includes educational institutions, government agencies, and private developers, reflecting their versatility and expertise in the industry. The firm has received multiple awards for its projects, highlighting its commitment to quality and innovation. RSE Associates operates across the United States, with offices in Boston, New York, and Los Angeles, and prides itself on providing the technical capabilities of a larger firm while maintaining a personal touch typical of smaller companies.


6. Green International Affiliates, Inc.

  • Website: greenintl.com
  • Ownership type: Corporate
  • Headquarters: Tewksbury, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Latest funding: February 2025
  • Founded year: 1954
  • Headcount: 51-200
  • LinkedIn: green-international-affiliates-inc.

Green International Affiliates, Inc. is an engineering firm based in Tewksbury, Massachusetts, specializing in civil and structural engineering services. Established in 1954, the company has been providing tailored solutions for a variety of clients, focusing on infrastructure projects that aim to improve community safety and enhance the quality of life. With a workforce of approximately 102 employees, Green International operates primarily in New England, emphasizing teamwork and professional growth within its culture. The firm offers a comprehensive suite of services, including structural engineering, transportation engineering, water resources engineering, and civil/site engineering. Their commitment to innovative techniques and technologies has allowed them to successfully complete numerous notable and award-winning projects, making a significant impact on the communities they serve.


7. edm - architecture & engineering, p.c.


edm - architecture & engineering, p.c. is a private engineering and design consultancy based in Pittsfield, Massachusetts, with additional offices in Farmington, Connecticut, and Troy, New York. Founded in 1988, the firm specializes in mechanical, electrical, and structural engineering, alongside landscape architecture. They cater to a wide array of clients, including public entities, private corporations, and institutional organizations. edm prides itself on delivering innovative design solutions and effective project management, ensuring that client visions are realized through high-performance buildings. Their portfolio includes a variety of projects, from residential designs to complex institutional structures, showcasing their expertise in structural engineering. The firm has not reported any funding, indicating a self-sustaining business model that relies on its operational capabilities and client relationships.


8. LeMessurier

  • Website: lemessurier.com
  • Ownership type: Private
  • Headquarters: Boston, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1961
  • Headcount: 51-200
  • LinkedIn: lemessurier-

LeMessurier is a structural engineering firm based in Boston, Massachusetts, founded in 1961. The company specializes in structural engineering and building enclosure services, collaborating closely with architects, contractors, and building owners to deliver innovative and sustainable construction solutions. With a workforce of approximately 69 employees, LeMessurier has built a reputation for addressing complex building challenges through advanced modeling techniques and effective project delivery strategies. Their portfolio includes significant projects such as the Boston University Center for Computing and Data Sciences and the Taussig Cancer Center at the Cleveland Clinic, reflecting their expertise in both new constructions and renovations. LeMessurier is dedicated to enhancing the built environment while maintaining a focus on sustainability and quality.


9. Hill Engineers, Architects, Planners, Inc.


Hill Engineers, Architects, Planners, Inc. is a private firm based in Dalton, Massachusetts, founded in 1949. With a workforce of approximately 31 employees, the company specializes in architecture, engineering, and land surveying. They cater to a variety of clients, including businesses, government entities, and individuals, helping them navigate complex project requirements and regulatory processes. Hill Engineers has built a strong reputation for quality and professionalism over its seven-decade history. The firm is recognized for its expertise in structural engineering, mechanical, electrical, and civil engineering, as well as land surveying and site planning. They are also a member of the Green Building Council, indicating a commitment to sustainable practices. Their portfolio includes a range of projects, showcasing their ability to handle both small and large-scale developments.


10. C&C Consulting Engineers, LLC

  • Website: cccellc.com
  • Ownership type: Private
  • Headquarters: Boston, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1930
  • Headcount: 11-50
  • LinkedIn: cccellc

C&C Consulting Engineers, LLC is a consulting engineering firm based in Boston, Massachusetts, specializing in civil and structural engineering services. Founded in 1930, the company has a rich history of providing design and inspection services primarily to government and institutional clients. Their expertise spans various areas, including bridge design, structural analysis, civil utility design, traffic engineering, and surveying. C&C has worked on numerous infrastructure projects, ensuring safety and compliance through tailored engineering solutions. Their client portfolio features major state and federal agencies, such as the US Army Corps of Engineers and the Massachusetts Department of Transportation, reflecting their strong standing in the industry. The firm is also recognized as a Disadvantaged Business Enterprise and Minority-Owned Business Enterprise in several states, emphasizing their commitment to diversity. C&C's collaborative approach to projects, focusing on understanding client objectives, has been a cornerstone of their operations since inception.


11. Reliance Engineers

  • Website: reliance-eng.com
  • Ownership type: Private
  • Headquarters: Wellesley, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 74%, India 26%
  • Founded year: 2013
  • Headcount: 11-50
  • LinkedIn: reliance-engineers

Reliance Engineers, LLC, based in Wellesley, Massachusetts, is a civil engineering firm that specializes in a range of engineering services, including bridge and structural engineering, tunnel engineering, and geotechnical engineering. Established in 2013, the company has quickly made a name for itself by participating in notable infrastructure projects across the United States and internationally. With a team of 31 employees, Reliance Engineers combines the expertise of seasoned professionals with a commitment to client-focused service. Their project experience includes significant undertakings such as the MBTA Green Line Extension and the Central Artery/Tunnel Project in Boston. The firm prides itself on its ability to manage complex projects effectively, providing services that include project management, risk assessment, and construction engineering. Reliance Engineers is also certified as a Minority Business Enterprise (MBE) and Disadvantaged Business Enterprise (DBE) in several states, enhancing its credibility and outreach in the industry.


12. Consulting Structural Engineer, Inc.


Consulting Structural Engineer, Inc. (CSE) is a structural engineering consulting firm based in Concord, Massachusetts. Established in 2007, the company specializes in a variety of services that include residential and commercial structural design, forensic investigations, and construction administration. CSE serves a broad clientele, including homeowners, contractors, architects, and public and private utilities. The firm is known for its responsive approach to client needs, ensuring that each project receives tailored attention regardless of its size. CSE's team consists of licensed professional engineers with expertise across multiple states, including Massachusetts, Vermont, New Hampshire, and Maine. Their portfolio showcases a range of projects, from single-family homes to commercial facilities, highlighting their capability in both new constructions and renovations. The firm also engages in forensic engineering, providing assessments and recommendations for structures affected by various damages, such as fire or extreme weather. This blend of services positions CSE as a competent player in the structural engineering field, actively contributing to the industry without the need for external funding.


13. SK Design Group, Inc.

  • Website: sk-dg.com
  • Ownership type: Private
  • Headquarters: Pittsfield, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 11-50
  • LinkedIn: sk-design-group-inc.

SK Design Group, Inc., based in Pittsfield, Massachusetts, is a private engineering firm that has been serving clients since 1979. Originally established as the Pittsfield Engineering Company, it has evolved through various ownerships and name changes to become the SK Design Group we know today. The firm specializes in civil and structural engineering, land surveying, environmental consulting, permitting, and building design. They cater to a range of clients, including municipalities, developers, and contractors, ensuring that projects are completed efficiently and in compliance with all necessary regulations. Their team consists of professional engineers and land surveyors who work collaboratively to provide comprehensive services. Notably, SK Design Group has been involved in various projects that highlight their expertise, such as residential renovations and mixed-use developments. Their focus on environmental awareness and innovative design solutions positions them as a valuable player in the engineering field.


14. Siegel Associates, Inc.


Siegel Associates, Inc., operating as Siegel Structural Engineers, is a private engineering firm based in Newton, Massachusetts. Founded in 1991, the company specializes in structural engineering services for a variety of projects, including both residential and commercial developments. With a team of approximately 22 employees, Siegel Associates prides itself on its collaborative approach, working closely with architects and builders to create innovative and effective structural solutions. The firm is particularly noted for its commitment to sustainability, actively participating in the SE 2050 challenge, which aims for net zero embodied carbon emissions in building structures by 2050. This initiative reflects their dedication to educating clients and partners about sustainable practices and material choices that can significantly impact carbon footprints. Their reputation in the industry is bolstered by strong endorsements from clients, emphasizing their professionalism and versatility in handling projects of varying scales and complexities.


15. Veitas Engineers

  • Website: veitas.com
  • Ownership type: Private
  • Headquarters: Braintree, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1964
  • Headcount: 11-50
  • LinkedIn: veitas-engineers

Veitas Engineers, based in Braintree, Massachusetts, is a structural engineering firm established in 1964. With a team of 23 professionals, the company specializes in the design of multi-family and single-family residential structures, as well as commercial projects. Their service offerings include structural assessments, renovations, and contractor support, catering to a wide range of clients such as architects, developers, and property owners. Veitas Engineers is dedicated to delivering innovative and cost-effective engineering solutions, aiming to streamline the construction process and enhance project outcomes. Their portfolio reflects a commitment to quality and safety, ensuring that each project meets stringent code requirements while also being constructible and efficient. The firm has not reported any funding, indicating a stable, self-sustaining business model.


16. Gale Associates, Inc.

  • Website: gainc.com
  • Ownership type: Private
  • Headquarters: Rockland, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1964
  • Headcount: 51-200
  • LinkedIn: gale-associates-inc-

Gale Associates, Inc. is an engineering and architectural firm based in Rockland, Massachusetts, with a history dating back to 1964. The company specializes in planning, design, and consulting services across multiple sectors, including aviation, civil engineering, and structural engineering. With a workforce of approximately 135 employees, Gale Associates operates through a collaborative model, ensuring that they meet the unique needs of their clients. Their portfolio includes a variety of projects, from airport engineering and athletic facilities to historic preservation and building enclosure design. The firm has built a reputation for delivering innovative solutions while maintaining a strong focus on compliance with regulations and performance standards. Their commitment to quality is evident in their impressive rate of repeat clients, which stands at 95%. Gale Associates has also been recognized as a desirable workplace, having been named a 'Best Firm to Work For' for over a decade, which speaks to their internal culture and employee satisfaction.


17. Foley Buhl Roberts & Associates

  • Website: fbra.com
  • Ownership type: Private
  • Headquarters: Newton, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1985
  • Headcount: 11-50
  • LinkedIn: foley-buhl-roberts-%26-associates

Foley Buhl Roberts & Associates, Inc. is a consulting firm based in Newton, Massachusetts, with additional offices in Manchester, New Hampshire, and Atlanta, Georgia. Established in 1985 by Richard A. Foley and Jonathan D. Buhl, the firm focuses on providing structural engineering services to architects, owners, and contractors. FBRA's expertise includes conducting feasibility studies, structural design, and preparing construction documents. The firm is known for its hands-on approach, with principals directly involved in every project, ensuring a high level of quality and attention to detail. FBRA is committed to utilizing advanced technologies, particularly Building Information Modeling (BIM) with Revit Structure software, to improve collaborative design and streamline the construction process. Their portfolio includes a variety of projects, from historic building renovations to modern corporate facilities, demonstrating their adaptability and skill in the field of structural engineering.


18. BSC Group

  • Website: bscgroup.com
  • Ownership type: Private
  • Headquarters: Boston, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 93%, India 4%, Other 3%
  • Founded year: 1965
  • Headcount: 51-200
  • LinkedIn: bsc-group

BSC Group, founded in 1965 and based in Boston, Massachusetts, is a private engineering and consulting firm that specializes in a wide array of services, including structural engineering, transportation engineering, environmental consulting, and landscape architecture. With a workforce of 51-200 employees, BSC Group serves municipalities, state agencies, and private developers, assisting them in navigating complex regulatory processes and designing sustainable infrastructure solutions. The firm adopts a collaborative approach to project management, ensuring that all stakeholders are engaged and that projects meet environmental standards. BSC Group has built a reputation for its expertise in structural engineering, contributing to various projects that enhance community infrastructure and resilience. Their portfolio includes work on bridges, roadways, and public spaces, reflecting their commitment to improving the quality of life in the communities they serve. The firm operates primarily in the United States, with a small percentage of its workforce based in India and other locations.


19. The Vertex Companies LLC

  • Website: vertexeng.com
  • Ownership type: Private
  • Headquarters: Weymouth, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Founded year: 1995
  • Headcount: 501-1000
  • LinkedIn: vertexcompanies

The Vertex Companies LLC, founded in 1995 and based in Weymouth, Massachusetts, is a consulting firm that specializes in forensics, engineering, environmental consulting, and project advisory services. With a workforce of approximately 770 employees, the company serves a wide array of clients, including businesses and public agencies. Vertex has completed over 100,000 projects, showcasing their extensive experience in the field. Their services include structural and building design, civil and land development, and construction management, among others. This broad range of expertise allows them to address complex projects and disputes effectively. Vertex is registered as a business in all 50 states and has a global reach, providing solutions that ensure compliance and effective risk management across various industries.


20. TLH Consulting Inc

  • Website: tlhstructuralconsulting.com
  • Ownership type: Private
  • Headquarters: Billerica, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2008
  • Headcount: 11-50
  • LinkedIn: tlh-consulting-inc

TLH Consulting Inc, based in Billerica, Massachusetts, is a structural engineering firm established in 2008. The company specializes in building design and engineering services, providing solutions tailored for architects, contractors, and property managers. Their expertise covers a range of projects, including new constructions, additions, and rehabilitations of existing facilities. TLH Consulting's services include structural analysis, design, and drafting, ensuring that all structures meet necessary safety and performance standards. The firm is licensed to operate in multiple states, reflecting its capability to engage in various regional projects. With a dedicated team of engineers, TLH Consulting is committed to delivering quality structural solutions across commercial, residential, and industrial sectors.


21. Siegel Structural Engineers

  • Website: siegelstructural.com
  • Ownership type: Private
  • Headquarters: Newton, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1991
  • Headcount: 11-50
  • LinkedIn: siegel-associates-inc

Siegel Structural Engineers, based in Newton, Massachusetts, is a structural engineering firm that has been operational since 1991. With a team of 18 professionals, the company specializes in providing engineering solutions for both residential and commercial projects. They work closely with architects and builders to ensure that designs not only meet structural integrity standards but also embrace sustainability. A significant aspect of their mission is their commitment to achieving net zero carbon emissions by 2050, which they pursue through their involvement in the SE 2050 Commitment program. This initiative reflects their proactive stance on reducing embodied carbon in building structures. Their portfolio includes a range of projects, from small additions to complex new buildings, showcasing their versatility and expertise in the field. Client testimonials highlight their collaborative approach and the value they add to projects, reinforcing their reputation as a reliable partner in the architecture and construction industries.


22. Childs Engineering

  • Website: childseng.com
  • Ownership type: Private
  • Headquarters: Bellingham, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1970
  • Headcount: 11-50
  • LinkedIn: childs-engineering

Childs Engineering, founded in 1970 by Kenny Childs, is a private engineering firm based in Bellingham, Massachusetts. The company specializes in waterfront structural engineering, providing a range of services that include inspections, design, underwater investigations, hydrographic and topographic surveys, regulatory services, dredging, and dry dock engineering. With a team of experienced engineers and commercial divers, Childs Engineering has built a reputation for delivering practical and efficient solutions tailored to the unique challenges of waterfront projects. Their work spans various structures such as piers, wharves, bridges, and seawalls, primarily serving clients in New England. The firm emphasizes the importance of having licensed professional engineers conduct underwater inspections, ensuring accurate assessments and effective repair strategies. Childs Engineering's commitment to safety, compliance, and client satisfaction has established them as a trusted partner in the marine engineering sector.


23. Chappell Engineering Associates, LLC

  • Website: chappellengineering.com
  • Ownership type: Private
  • Headquarters: Marlborough, Massachusetts, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2004
  • Headcount: 11-50
  • LinkedIn: chappell-engineering

Chappell Engineering Associates, LLC is a consulting engineering firm based in Marlborough, Massachusetts, established in 2004. The company specializes in various engineering services, including transportation engineering, structural engineering, wireless telecommunications, and land surveying. With a team of approximately 25 skilled professionals, Chappell Engineering has built a reputation for reliability and expertise in infrastructure projects. Their client base includes state agencies, municipalities, commercial developers, and industrial firms, reflecting their active engagement in significant projects that require compliance with regulatory standards. The firm utilizes advanced technology, such as 3-D scanning and GPS equipment, to enhance their service delivery. Their structural engineering services are particularly focused on bridge design and highway engineering, demonstrating their capability in critical infrastructure development.


24. Bayside Engineering Inc.


Bayside Engineering Inc., based in Woburn, Massachusetts, has been a prominent player in the engineering sector since its founding in 1967. The firm specializes in civil engineering and construction management, offering a wide array of services that include bridge engineering, roadway design, environmental engineering, and construction management. With a dedicated team of professionals, Bayside Engineering has successfully completed numerous projects for municipalities and state agencies, focusing on effective and cost-efficient solutions for infrastructure needs. Their expertise extends to structural engineering, where they provide building services and ensure compliance with safety and regulatory standards. Recently, Bayside Engineering joined the Fuss & O’Neill team, which may enhance their service offerings and market reach, further solidifying their position in the engineering industry.



Structural Engineering Insights: Key Companies in Massachusetts


CompanyHeadquarterSizeFoundedOwnership
Simpson Gumpertz & Heger (SGH)Waltham, Massachusetts, United States (USA)501-10001956Private
GEI Consultants, Inc.Woburn, Massachusetts, United States (USA)1001-50001970Private
Tighe & BondWestfield, Massachusetts, United States (USA)501-10001911Private
Nitsch EngineeringBoston, Massachusetts, United States (USA)51-2001989Private
RSE Associates, Inc.Watertown, Massachusetts, United States (USA)11-502001Private
Green International Affiliates, Inc.Tewksbury, Massachusetts, United States (USA)51-2001954Corporate
edm - architecture & engineering, p.c.Pittsfield, Massachusetts, United States (USA)11-501988Private
LeMessurierBoston, Massachusetts, United States (USA)51-2001961Private
Hill Engineers, Architects, Planners, Inc.Dalton, Massachusetts, United States (USA)11-501949Private
C&C Consulting Engineers, LLCBoston, Massachusetts, United States (USA)11-501930Private
Reliance EngineersWellesley, Massachusetts, United States (USA)11-502013Private
Consulting Structural Engineer, Inc.Concord, Massachusetts, United States (USA)1-102007Private
SK Design Group, Inc.Pittsfield, Massachusetts, United States (USA)11-501979Private
Siegel Associates, Inc.Newton, Massachusetts, United States (USA)11-501991Private
Veitas EngineersBraintree, Massachusetts, United States (USA)11-501964Private
Gale Associates, Inc.Rockland, Massachusetts, United States (USA)51-2001964Private
Foley Buhl Roberts & AssociatesNewton, Massachusetts, United States (USA)11-501985Private
BSC GroupBoston, Massachusetts, United States (USA)51-2001965Private
The Vertex Companies LLCWeymouth, Massachusetts, United States (USA)501-10001995Private
TLH Consulting IncBillerica, Massachusetts, United States (USA)11-502008Private
Siegel Structural EngineersNewton, Massachusetts, United States (USA)11-501991Private
Childs EngineeringBellingham, Massachusetts, United States (USA)11-501970Private
Chappell Engineering Associates, LLCMarlborough, Massachusetts, United States (USA)11-502004Private
Bayside Engineering Inc.Woburn, Massachusetts, United States (USA)11-501967Private


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