Engineering consulting companies in Connecticut play a crucial role in shaping infrastructure, environmental projects, and sustainable solutions. These firms provide expert advice and innovative designs across various sectors, including transportation, energy, and healthcare. As sustainability becomes a priority, there's a growing emphasis on eco-friendly practices. Connecticut’s firms are adapting, investing in cutting-edge technology and renewable resources. Recent trends indicate that data integration and smart city initiatives will continue driving demand for these services. Engineering consultants here are not just problem solvers; they are also key players in creating resilient, efficient communities as the industry evolves.


Connecticut hosts a range of engineering consulting companies, featuring firm sizes from small boutiques to larger organizations, founded between 1924 and 2015. Specializations include civil, mechanical, environmental, and structural engineering. These companies, based in cities like Hartford and Norwalk, attract talent committed to innovative solutions across multiple sectors. Employee ownership models are common, enhancing company culture and client relationships. Their impressive portfolios reflect success in both local and national projects, highlighting expertise in sustainability and infrastructure planning.


Continue reading to discover the top engineering consulting companies in Connecticut.


Top 25 Engineering Consulting Companies in Connecticut


1. Fuss & O'Neill

  • Website: fando.com
  • Ownership type: Private
  • Headquarters: Hartford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1924
  • Headcount: 201-500
  • LinkedIn: fuss-%26-o%27neill

Fuss & O'Neill is a private engineering firm based in Hartford, Connecticut, founded in 1924. Specializing in civil and environmental engineering, the company provides a wide array of services that address complex engineering challenges. Their expertise includes site planning, climate resilience, water management, and various engineering disciplines such as structural, transportation, and environmental engineering. Fuss & O'Neill has a strong commitment to sustainability, offering services that focus on climate adaptation and ecological restoration. The firm serves multiple markets, including buildings, energy, government, and industry, showcasing their adaptability and relevance in the engineering consulting field. With a workforce of approximately 458 employees, they maintain a significant presence in the industry, contributing to projects that enhance community infrastructure and environmental health.


2. Loureiro Engineering Associates, Inc.

  • Website: loureiro.com
  • Ownership type: Private
  • Headquarters: Plainville, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1975
  • Headcount: 51-200
  • LinkedIn: loureiro-engineering

Loureiro Engineering Associates, Inc. is an engineering and construction firm based in Plainville, Connecticut, with a history dating back to 1975. The company specializes in providing integrated services that include engineering, environmental consulting, and construction management. With a workforce of approximately 166 employees, Loureiro is structured as an employee-owned company, which fosters a strong commitment to service and accountability among its staff. The firm caters to a wide range of clients across various sectors, including industrial, commercial, and government entities. Their approach emphasizes seamless project delivery, allowing them to manage all aspects of a project from initial design through to construction and final turnover. Loureiro has built a reputation for exceptional client experiences, with 95% of their work stemming from existing clients or referrals. Their involvement in significant projects, such as Superfund site remediation and various construction initiatives, showcases their expertise and adaptability in addressing complex challenges in the engineering field.


3. A/Z Corporation

  • Website: a-zcorp.com
  • Ownership type: Corporate
  • Headquarters: North Stonington, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Latest funding: April 2019
  • Founded year: 1968
  • Headcount: 501-1000
  • LinkedIn: a-z-corporation

A/Z Corporation, based in North Stonington, Connecticut, is a well-established construction and engineering firm founded in 1968. With a workforce of approximately 409 employees, the company specializes in providing a wide array of services that include design and engineering, energy management, and various specialty services. A/Z Corporation serves multiple sectors, notably life sciences, healthcare, and manufacturing, where they assist clients in managing complex projects and adhering to stringent regulatory standards. Their integrated approach allows them to act as a single source for clients, enhancing collaboration and efficiency throughout project lifecycles. A/Z has built a reputation for delivering reliable solutions tailored to the unique needs of their clients, making them a significant player in the engineering consulting industry.


4. BL Companies

  • Website: blcompanies.com
  • Ownership type: Private
  • Headquarters: Meriden, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1986
  • Headcount: 201-500
  • LinkedIn: bl-companies

BL Companies, based in Meriden, Connecticut, is an architecture and engineering firm that has been active since 1986. The company specializes in integrated services that include design, engineering, environmental consulting, and land surveying. With a workforce of approximately 489 employees, BL Companies emphasizes a collaborative approach to project management, ensuring tailored solutions for a variety of clients. Their market sectors include commercial, healthcare, education, and public infrastructure, among others. The firm is also committed to sustainability and community involvement, actively encouraging its employee owners to engage in local initiatives. This dedication to both client satisfaction and community welfare positions BL Companies as a significant player in the engineering consulting industry.


5. CCA Engineering

  • Website: ccaengineering.com
  • Ownership type: Corporate
  • Headquarters: Brookfield, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 70%, China 15%, Malaysia 15%
  • Latest funding: July 2014
  • Founded year: 1978
  • Headcount: 11-50
  • LinkedIn: cca-engineering

CCA Engineering, officially known as CCA, LLC, is a consulting engineering firm based in Brookfield, Connecticut. Founded in 1977, the company specializes in civil engineering, environmental services, land surveying, and landscape architecture. CCA Engineering has built a solid reputation for delivering high-quality services to a variety of clients, including municipalities, industries, and private sector entities. Their expertise extends to navigating regulatory compliance and designing infrastructure projects, which is crucial in today's complex environmental landscape. The firm employs a team of licensed professionals, including engineers, land surveyors, and environmental specialists, who are dedicated to providing innovative solutions and maintaining strong relationships with clients. CCA Engineering has consistently invested in state-of-the-art technology and equipment, ensuring they remain competitive and effective in their service delivery. Their commitment to quality and ethical practices further enhances their standing in the engineering consulting industry.


6. van Zelm Heywood & Shadford, Inc.

  • Website: vanzelm.com
  • Ownership type: Private
  • Headquarters: Farmington, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1930
  • Headcount: 51-200
  • LinkedIn: van-zelm-engineers

van Zelm Heywood & Shadford, Inc. is an engineering firm based in Farmington, Connecticut, specializing in the design and planning of mechanical and electrical systems for the built environment. Founded in 1930, the firm has built a reputation for its innovative approach to engineering, particularly in sustainable design practices. They have been involved in a variety of projects across sectors such as education, healthcare, and institutional facilities, providing services that include master planning, HVAC design, and energy-efficient electrical systems. Their portfolio features collaborations with renowned architects and institutions, emphasizing their role in significant construction and renovation projects. The firm has also been recognized for its contributions to award-winning sustainable buildings, including those certified under the Living Building Challenge and LEED programs. Their commitment to community engagement and support for future engineers through mentorship and scholarships further highlights their dedication to the industry.


7. Landmark Facilities Group

  • Website: lfginc.com
  • Ownership type: Private
  • Headquarters: Norwalk, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: landmark-facilities-group

Landmark Facilities Group, Inc. is an engineering firm based in Norwalk, Connecticut, specializing in mechanical, electrical, plumbing, and fire protection design services. Founded in 1988, the company has built a reputation for excellence in MEP engineering design, serving clients across the United States and internationally. With a team of skilled engineers, Landmark Facilities Group offers a range of services, including facility assessments, energy audits, and sustainable design solutions. They have a strong focus on historic preservation, ensuring that their designs meet the unique needs of older buildings while maintaining compliance with modern standards. The firm has worked on notable projects for prestigious institutions such as Columbia University and various museums, demonstrating their capability in handling complex engineering challenges. Their commitment to training and certification in sustainable technologies positions them well in an industry increasingly focused on energy efficiency and environmental responsibility.


8. VN Engineers, Inc.

  • Website: vnengineers.com
  • Ownership type: Private
  • Headquarters: North Haven, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 96%, India 4%
  • Founded year: 1983
  • Headcount: 51-200
  • LinkedIn: vnengineers

VN Engineers, Inc. is a privately owned engineering consulting firm based in North Haven, Connecticut, specializing in civil engineering and construction inspection services. Established in 1983, the company has built a reputation for its expertise in design-build projects, transportation planning, and geotechnical services. VN Engineers has played a crucial role in various infrastructure projects across several states, including Connecticut, New York, Florida, and Virginia. Their work spans a range of services, from traffic engineering to structural assessments, and they have been involved in significant projects like the George Washington Bridge improvements and the Charter Oak Bridge enhancements. As a women-owned business enterprise, VN Engineers emphasizes its commitment to diversity and inclusion within the engineering sector. The firm operates primarily in the United States, with a small percentage of its workforce based in India, reflecting a focus on local expertise while maintaining a global perspective.


9. Consulting Engineering Services (CES)


Consulting Engineering Services (CES) is a private engineering consulting firm based in Middletown, Connecticut, established in 1994. With a workforce of approximately 297 employees, CES specializes in mechanical, electrical, plumbing, and fire protection systems. The firm caters to a wide range of clients, including educational institutions, healthcare facilities, and public safety organizations. CES is known for its tailored solutions that address the unique needs of both residential and commercial projects. Their commitment to sustainable design is evident in their projects, such as the Lexington Fire Headquarters, which exceeds energy codes and incorporates renewable energy systems. CES has built a reputation for delivering high-quality engineering services, focusing on client satisfaction and innovative problem-solving throughout the project lifecycle.


10. GM2 Associates, Inc.

  • Website: gm2inc.com
  • Ownership type: Corporate
  • Headquarters: Glastonbury, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 97%, Other 3%
  • Latest funding: August 2021
  • Founded year: 1988
  • Headcount: 51-200
  • LinkedIn: gm2-associates-inc

GM2 Associates, Inc., based in Glastonbury, Connecticut, is an engineering and construction firm that has been operational since 1988. With a workforce of approximately 177 employees, GM2 provides a wide array of services, including engineering solutions, construction inspection, and surveying. The company primarily serves municipalities and private developers, focusing on infrastructure projects that are vital for community development. GM2 operates across several sectors, such as transportation, energy, and municipal services, ensuring that their projects meet high standards of quality and safety. Their expertise is reflected in notable projects, including bridge inspections and the rehabilitation of significant structures. GM2's commitment to excellence is evident in their rigorous approach to risk management, which has resulted in a strong safety record and a history of successful project completions. The firm has not reported any recent funding, indicating stability and self-sufficiency in their operations.


11. Innovative Engineering Services

  • Website: iesllc.biz
  • Ownership type: Private
  • Headquarters: Wallingford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 61%, Pakistan 29%, India 10%
  • Founded year: 2000
  • Headcount: 51-200
  • LinkedIn: innovative-engineering-services

Innovative Engineering Services, LLC, based in Wallingford, Connecticut, is an engineering firm that specializes in providing comprehensive engineering and design services across various sectors, including healthcare, education, and commercial projects. Since its inception in 2000, IES has focused on delivering innovative solutions tailored to meet the unique challenges of each project. The firm emphasizes compliance with industry standards and aims to enhance operational efficiency for its clients. With a team of professional engineers and skilled technical personnel, IES has successfully executed numerous projects, including significant renovations and new constructions in healthcare facilities, educational institutions, and commercial spaces. Their services extend to engineering design, Building Information Modeling (BIM), commissioning, and technology integration, reflecting their commitment to modern engineering practices. IES has also been involved in projects that prioritize sustainability, showcasing their awareness of environmental considerations in engineering.


12. WMC Consulting Engineers

  • Website: wmcengineers.com
  • Ownership type: Private
  • Headquarters: Newington, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 83%, Philippines 8%, Serbia 8%
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: wmc-consulting-engineers

WMC Consulting Engineers, based in Newington, Connecticut, is a privately owned consulting engineering firm that specializes in civil engineering and infrastructure projects. Established in 1988, the company has built a strong portfolio of services that includes planning, design, and construction management. They cater primarily to municipalities, state agencies, and private clients across Connecticut and western Massachusetts. WMC is known for its technical excellence and commitment to community relations, which is evident in their successful completion of over 120 projects for various Connecticut municipalities and state agencies. Their expertise spans a range of areas, including roadway and drainage design, bridge design, and wastewater management. The firm has also been recognized for its innovative approaches and effective use of technology in engineering design, ensuring that projects are completed on time and within budget. WMC's team consists of experienced professionals, including licensed engineers and certified construction personnel, who are dedicated to delivering quality results. Their involvement in significant projects, such as the rehabilitation of the Moodus Reservoir Dam and the design of the Farmington Valley Greenway, showcases their capability and commitment to enhancing local infrastructure.


13. e2 engineers

  • Website: e2engineers.com
  • Ownership type: Private
  • Headquarters: New London, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2002
  • Headcount: 11-50
  • LinkedIn: e2engineers

e2 engineers, founded in 2002 and based in New London, Connecticut, is a structural engineering consulting firm that provides a wide range of engineering services tailored to various building sectors. The firm prides itself on its proactive approach, helping clients understand, design, and construct projects while ensuring adherence to safety and regulatory standards. With a team of skilled professionals, e2 engineers has successfully completed numerous projects, including high-end residential buildings and significant public infrastructure. Their commitment to continuous improvement and adaptation to new technologies, such as Building Information Modeling (BIM), enhances their service delivery. e2 engineers operates in multiple states across the U.S., showcasing their ability to handle projects of varying scales and complexities. They have not reported any funding, indicating a stable, self-sustaining business model.


14. RZ Design Associates, Inc.


RZ Design Associates, Inc., based in Rocky Hill, Connecticut, is a consulting engineering firm that has been operational since 1988. Recently acquired by GM2 Associates, Inc. in May 2024, the firm specializes in design services for mechanical, electrical, plumbing, and fire protection systems. With a workforce of approximately 34 employees, RZ Design Associates has built a solid reputation for providing personalized attention to each project. Their portfolio includes a variety of projects across municipal, educational, commercial, and healthcare sectors, showcasing their capability to handle complex engineering challenges. The firm operates nationally from multiple offices along the East Coast and beyond, ensuring they can meet the needs of clients in various locations. Their commitment to innovation is evident in their recent adoption of drone technology for engineering design, further enhancing their service delivery.


15. Luchs Consulting Engineers|DeCarlo & Doll Architects

  • Website: luchs.com
  • Ownership type: Private
  • Headquarters: Meriden, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1948
  • Headcount: 11-50
  • LinkedIn: luchs-consulting-engineers-llc

Luchs Consulting Engineers|DeCarlo & Doll Architects is a private engineering and architectural consulting firm based in Meriden, Connecticut. Founded in 1948, the company has built a solid reputation over the decades, specializing in civil engineering, traffic engineering, and construction inspection. Their services cater primarily to municipalities and utility providers, ensuring compliance with regulatory standards and facilitating infrastructure projects across Connecticut. The firm prides itself on understanding the unique needs of its clients, which has fostered long-term relationships and trust within the community. Luchs/DeCarlo & Doll has also been recognized for its exceptional client service, receiving awards that underscore their dedication to going above and beyond in their projects. With a team of experienced professionals, they are equipped to handle a variety of engineering challenges, making them a significant player in the local consulting market.


16. LRC Group

  • Website: lrcconsult.com
  • Ownership type: Private
  • Headquarters: Cromwell, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1999
  • Headcount: 11-50
  • LinkedIn: lrc-group

LRC Group, based in Cromwell, Connecticut, is a consulting firm that specializes in civil engineering, land surveying, landscape architecture, and environmental services. Since its inception in 1999, the company has aimed to provide high-quality project management and site design services. With a team of around 30 professionals, LRC Group serves a variety of clients, including private developers, municipalities, and institutions. Their project portfolio includes commercial, residential, and institutional developments, demonstrating their capability to manage diverse project types. The firm emphasizes a collaborative approach, ensuring that all aspects of a project are well-integrated and effectively managed. LRC Group is also a member of the U.S. Green Building Council, reflecting their commitment to sustainable practices in land development and compliance with environmental regulations.


17. Russell and Dawson Inc

  • Website: rdaep.com
  • Ownership type: Private
  • Headquarters: East Hartford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 67%, India 33%
  • Founded year: 1965
  • Headcount: 11-50
  • LinkedIn: rdaepct

Russell and Dawson Inc. is an architecture and engineering firm based in East Hartford, Connecticut, with a history dating back to 1965. The company specializes in a wide array of design services, including architectural, mechanical, electrical, plumbing, and structural engineering. With a workforce of approximately 33 employees, they have successfully completed over 10,000 projects across various sectors, showcasing their extensive experience in both new constructions and renovations. The firm serves a mix of public and private sector clients, emphasizing collaboration and client satisfaction in their operations. Their commitment to sustainable design and community engagement is evident through their pro bono work on numerous local projects, including animal shelters and community centers. Russell and Dawson Inc. is recognized as Connecticut's longest continuously operating small business in the architecture and engineering field, highlighting their stability and relevance in the industry.


18. Garg Consulting Services, Inc.


Garg Consulting Services, Inc. is an engineering firm based in Rocky Hill, Connecticut, with an additional office in Princeton, New Jersey. Established in 1990, the company specializes in a wide array of engineering services, including structural and civil engineering, rail and transit engineering, as well as construction management and inspection. With a workforce of approximately 96 employees, Garg Consulting has built a strong presence in the Northeastern United States, particularly in Connecticut, New York, New Jersey, Massachusetts, Rhode Island, and Pennsylvania. The firm is known for its commitment to quality and client satisfaction, often exceeding expectations through innovative and cost-effective solutions. Their project portfolio includes significant infrastructure initiatives, such as accessibility upgrades for New York City transit stations and various safety improvements for commuter rail systems. Garg Consulting is also certified as a Disadvantaged Business Enterprise (DBE), Minority Business Enterprise (MBE), and Small Business Enterprise (SBE), which positions them favorably for government contracts and partnerships.


19. Freeman Companies, LLC

  • Website: freemancos.com
  • Ownership type: Private
  • Headquarters: Hartford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2009
  • Headcount: 11-50
  • LinkedIn: freeman-companies-llc

Freeman Companies, LLC is a Hartford, Connecticut-based engineering firm that has been operational since 2009. The company specializes in a variety of professional services, including civil engineering, landscape architecture, geotechnical engineering, and environmental sciences. With a workforce of approximately 44 employees, Freeman Companies has carved out a niche in providing innovative solutions to complex engineering and environmental challenges. They cater to a diverse clientele, including governmental, institutional, and private sector clients, which allows them to engage in a wide array of projects. Their approach emphasizes sustainability and excellence, reflecting a commitment to responsible engineering practices. The firm has been involved in significant projects, such as the South Hartford Storage and Conveyance Tunnel, showcasing their capability in handling large-scale infrastructure initiatives. Freeman Companies is also recognized for its community engagement, including the establishment of a scholarship aimed at supporting minority students pursuing engineering careers. They are fully licensed across New England and hold various certifications, enhancing their credibility in the industry.


20. FHI Studio, now IMEG

  • Website: fhistudio.com
  • Ownership type: Private
  • Headquarters: Hartford, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1987
  • Headcount: 11-50
  • LinkedIn: fitzgerald-and-halliday-inc

FHI Studio, now operating as IMEG, is a planning and engineering consultancy based in Hartford, Connecticut. Founded in 1987, the firm has grown from a one-woman operation to a team of nearly 60 professionals. They specialize in urban design and community engagement, offering services that aim to improve the quality of life in communities. Their multidisciplinary team includes planners, ecologists, engineers, and designers who work collaboratively to address complex urban challenges. FHI Studio emphasizes the importance of equity in planning and design, striving to engage with diverse communities and stakeholders. Their recent launch of an Urban Design practice highlights their commitment to creating sustainable and vibrant environments tailored to community needs. The firm has not reported any funding, indicating a stable, self-sustaining operation.


21. Dme

  • Website: dme-design.com
  • Ownership type: Private
  • Headquarters: New Haven, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2015
  • Headcount: 1-10
  • LinkedIn: dme-designs

Dme, based in New Haven, Connecticut, is a private engineering firm that specializes in mechanical, electrical, plumbing, and fire protection engineering. Since its inception in 2015, Dme has focused on providing comprehensive services that include pre-construction, MEP engineering, and design-build solutions. The firm caters to a variety of sectors, including commercial, life sciences, and manufacturing, and has built a reputation for navigating complex engineering challenges. Their client base includes facility managers and contractors who rely on Dme's expertise for effective project execution. With a portfolio that boasts over 200 projects, Dme has collaborated with significant entities such as Yale University, Medtronic, and Eversource, showcasing their capability to deliver tailored engineering solutions. The firm operates with a team of experienced professionals who emphasize a collaborative approach to design and project management, ensuring that each project meets the unique needs of their clients.


22. Zuvic

  • Website: zuvic.com
  • Ownership type: Private
  • Headquarters: Rocky Hill, Connecticut, United States (USA)
  • Founded year: 1988
  • Headcount: 11-50
  • LinkedIn: zuvic-carr

Zuvic Infrastructure Solutions, founded in 1988 by Marici Zuvic, is a private engineering firm based in Rocky Hill, Connecticut. The company specializes in civil design and environmental assessment services, primarily serving clients in commercial development, higher education, and utility sectors. Zuvic's portfolio includes a wide array of services such as site-civil design, environmental remediation, and permitting, which are crucial for projects ranging from urban developments to infrastructure improvements. Their team consists of professional engineers, environmental professionals, and land surveyors, all dedicated to delivering effective solutions that meet regulatory requirements and client expectations. Zuvic has successfully managed numerous projects, including environmental site assessments and transportation design, showcasing their capability to handle complex engineering challenges. Their focus on environmental advocacy and sustainable practices further positions them as a relevant entity in the engineering consulting industry.


23. The Di Salvo Engineering Group, Structural Engineers, Inc.


The Di Salvo Engineering Group, Structural Engineers, Inc. (TDEG) is a professional engineering corporation based in Danbury, Connecticut, with a branch office in Colorado. Established in 1973, TDEG specializes in structural engineering services, offering innovative solutions for new construction, adaptive reuse, and structural investigations. The firm serves a variety of sectors, including education, healthcare, and commercial development. TDEG prides itself on its commitment to technical excellence and customer satisfaction, which has earned it awards from organizations such as the American Institute of Architects and the American Council of Engineering Companies/Connecticut. The company is also known for its involvement in community service, reflecting a dedication to social responsibility alongside its engineering endeavors. With a team of registered Professional Engineers and designers, TDEG continues to contribute to the structural engineering field with a focus on quality and innovation.


24. Solli Engineering

  • Website: solliengineering.com
  • Ownership type: Private
  • Headquarters: Monroe, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2012
  • Headcount: 11-50
  • LinkedIn: solli-engineering-llc

Solli Engineering, LLC is a civil engineering firm based in Monroe, Connecticut, founded in 2012. The company specializes in providing comprehensive civil engineering and land development consulting services to both public and private clients. Their expertise spans several areas, including site design, geotechnical solutions, traffic engineering, surveying, and permitting. Solli Engineering prides itself on delivering practical solutions that align with regulatory requirements and project objectives, ensuring successful project execution. The firm has worked on a variety of projects, from commercial developments to residential subdivisions, demonstrating their capability to handle diverse project types. With a team of around 30 employees, Solli Engineering emphasizes a collaborative approach, positioning itself as an integral part of the development team for its clients. Their commitment to effective communication and responsiveness throughout the project lifecycle further enhances their reputation in the industry.


25. Celtic Energy

  • Website: celticenergy.com
  • Ownership type: Corporate
  • Headquarters: Glastonbury, Connecticut, United States (USA)
  • Employee distribution: United States (USA) 69%, United Kingdom (UK) 31%
  • Latest funding: January 2019
  • Founded year: 2000
  • Headcount: 11-50
  • LinkedIn: celtic-energy-inc-

Celtic Energy, known as NV5, is a consulting and engineering firm based in Glastonbury, Connecticut. Founded in 2000, the company specializes in providing technology and conformity assessment solutions for both public and private sector clients. Their services focus on infrastructure, utility, and building assets, aiming to enhance community resources and promote sustainability. NV5 operates with a workforce of around 16 employees, with a significant portion of their operations in the United States and a notable presence in the United Kingdom. The firm has been involved in various projects that address modern infrastructure challenges, employing tech-enabled solutions to improve efficiency and resilience in sectors such as electrical distribution, transportation, and water management. Their commitment to environmental sustainability is evident in their project portfolio, which includes initiatives aimed at reducing carbon footprints and promoting clean energy solutions.



Engineering Consulting Insights: Key Companies in Connecticut


CompanyHeadquarterSizeFoundedOwnership
Fuss & O'NeillHartford, Connecticut, United States (USA)201-5001924Private
Loureiro Engineering Associates, Inc.Plainville, Connecticut, United States (USA)51-2001975Private
A/Z CorporationNorth Stonington, Connecticut, United States (USA)501-10001968Corporate
BL CompaniesMeriden, Connecticut, United States (USA)201-5001986Private
CCA EngineeringBrookfield, Connecticut, United States (USA)11-501978Corporate
van Zelm Heywood & Shadford, Inc.Farmington, Connecticut, United States (USA)51-2001930Private
Landmark Facilities GroupNorwalk, Connecticut, United States (USA)11-501988Private
VN Engineers, Inc.North Haven, Connecticut, United States (USA)51-2001983Private
Consulting Engineering Services (CES)Middletown, Connecticut, United States (USA)51-2001994Private
GM2 Associates, Inc.Glastonbury, Connecticut, United States (USA)51-2001988Corporate
Innovative Engineering ServicesWallingford, Connecticut, United States (USA)51-2002000Private
WMC Consulting EngineersNewington, Connecticut, United States (USA)11-501988Private
e2 engineersNew London, Connecticut, United States (USA)11-502002Private
RZ Design Associates, Inc.Rocky Hill, Connecticut, United States (USA)201-5001988Private
Luchs Consulting Engineers|DeCarlo & Doll ArchitectsMeriden, Connecticut, United States (USA)11-501948Private
LRC GroupCromwell, Connecticut, United States (USA)11-501999Private
Russell and Dawson IncEast Hartford, Connecticut, United States (USA)11-501965Private
Garg Consulting Services, Inc.Rocky Hill, Connecticut, United States (USA)51-2001990Private
Freeman Companies, LLCHartford, Connecticut, United States (USA)11-502009Private
FHI Studio, now IMEGHartford, Connecticut, United States (USA)11-501987Private
DmeNew Haven, Connecticut, United States (USA)1-102015Private
ZuvicRocky Hill, Connecticut, United States (USA)11-501988Private
The Di Salvo Engineering Group, Structural Engineers, Inc.Danbury, Connecticut, United States (USA)11-501973Private
Solli EngineeringMonroe, Connecticut, United States (USA)11-502012Private
Celtic EnergyGlastonbury, Connecticut, United States (USA)11-502000Corporate


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