The engineering consulting industry in Nan is characterized by firms that provide expert guidance on the design, implementation, and management of infrastructure projects. These companies typically offer a range of services, including project management, design engineering, and sustainability consulting across various sectors such as energy, transportation, and water resources. As environmental concerns grow, many consulting businesses are aiming towards sustainable practices, prioritizing net-zero emissions and innovative solutions. The industry continues to adapt to technological changes, with a considerable push for digital transformation enhancing efficiency in project execution.

This compilation features 26 notable engineering consulting companies operating in Nan, showcasing significant size and expertise within the industry. Predominantly headquartered in the United Kingdom, Denmark, and Australia, the companies vary widely in scale, ranging from over 10,000 employees to smaller firms with focused operations. Most organizations have been in operation since the mid-20th century and specialize in delivering high-quality solutions in sectors like energy management, civil engineering, and urban infrastructure. Their global geographical footprint and client solutions reflect a well-established reputation in engineering consulting.

Read on for an overview of top engineering consulting companies.

Top 26 Engineering Consulting Companies

1. Arup

• Website: arup.com
• Ownership type: Private
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 37%, Australia 14%, United States (USA) 10%, Other 39%
• Founded year: 1946
• Headcount: 10001+
• LinkedIn: arup

Arup is a multinational professional services firm based in London, UK, specializing in engineering, design, and advisory services. Established in 1946, the company has grown to employ over 23,000 professionals across various disciplines. Arup serves clients in multiple sectors, including transport, energy, water, and healthcare, providing innovative solutions to complex challenges in the built environment. The firm is recognized for its commitment to sustainability, actively working towards achieving net zero carbon emissions by 2030. Arup's projects reflect its expertise and dedication to creating resilient infrastructure, such as the East Anglia One offshore wind farm and the Crossrail project in London. Their approach integrates technology and creativity, ensuring that they remain relevant in a rapidly evolving industry.

2. Ramboll

• Website: ramboll.com
• Ownership type: Private
• Headquarters: Copenhagen, Denmark
• Employee distribution: Denmark 22%, India 13%, United States (USA) 12%, Other 53%
• Founded year: 1945
• Headcount: 10001+
• LinkedIn: ramboll

Ramboll Group A/S is a global engineering, architecture, and consultancy firm headquartered in Copenhagen, Denmark. Established in 1945, the company has grown to employ over 18,000 professionals across more than 35 countries. Ramboll specializes in providing sustainable solutions in various sectors, including energy, environment, and infrastructure. They work closely with governments and businesses to tackle pressing challenges related to climate change and urban development. Their projects reflect a commitment to innovative design and expert consulting services, such as their involvement in New York's first offshore wind farm, which aims to provide renewable energy to 70,000 homes. Ramboll's focus on sustainability and their extensive experience in the industry underscore their relevance and capability as an engineering consulting company.

3. Mott MacDonald

• Website: mottmac.com
• Ownership type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 42%, India 13%, United States (USA) 11%, Other 34%
• Latest funding: March 2024
• Founded year: 1989
• Headcount: 10001+
• LinkedIn: mott-macdonald

Mott MacDonald is an engineering, management, and development consultancy based in London, UK. Founded in 1989, the company has grown to employ over 23,000 professionals worldwide. Mott MacDonald provides a comprehensive suite of services, including engineering solutions, management consulting, and development support. Their expertise spans various sectors such as buildings, energy, transport, and water management. The firm has been involved in numerous high-profile projects, addressing critical infrastructure needs and promoting sustainability. Mott MacDonald collaborates with both government agencies and private organizations, offering tailored solutions to complex challenges. Their commitment to social value and environmental responsibility is evident in their project portfolio, which includes initiatives aimed at climate resilience and community development.

4. Hdr

• Website: hdrinc.com
• Ownership type: Corporate
• Headquarters: Omaha, Nebraska, United States (USA)
• Employee distribution: United States (USA) 90%, Canada 4%, United Kingdom (UK) 2%, Other 3%
• Latest funding: June 2019
• Founded year: 1917
• Headcount: 10001+
• LinkedIn: hdr

HDR, Inc. is an engineering firm based in Omaha, Nebraska, founded in 1917. The company specializes in providing a wide array of design and consulting services across multiple sectors, such as infrastructure, environmental sciences, and urban development. HDR serves a mix of clients, including government agencies and private organizations, addressing complex challenges with expert solutions. The firm operates on a global scale, emphasizing sustainability and innovation in its projects. With over 15,000 employees, HDR has a significant workforce that supports its operations in various markets, including aerospace, healthcare, transportation, and water management. Their commitment to quality and sustainability is evident in their project portfolio, which includes initiatives aimed at enhancing community resilience and environmental stewardship.

5. Buro Happold

• Website: burohappold.com
• Ownership type: Private
• Headquarters: Bath, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 48%, United States (USA) 15%, India 10%, Other 27%
• Founded year: 1976
• Headcount: 1001-5000
• LinkedIn: buro-happold

Buro Happold Limited is a private engineering consultancy based in Bath, England, with a workforce of approximately 3,437 employees. Established in 1976, the company specializes in providing a comprehensive range of services that include advisory, sustainability consulting, and engineering design. Buro Happold serves clients across multiple sectors, addressing challenges related to infrastructure and the built environment. Their global operations leverage interdisciplinary expertise, allowing them to deliver innovative and effective solutions. The firm is particularly noted for its commitment to sustainability, aiming to design all new build projects to be net zero carbon in operation by 2030. Buro Happold's projects span various notable developments, showcasing their capability in handling complex engineering tasks. They have also contributed to significant industry standards, particularly in health, wellbeing, and productivity in building design.

6. Tata Consulting Engineers Limited

• Website: tce.co.in
• Ownership type: Private
• Headquarters: Mumbai, Maharashtra, India
• Employee distribution: India 97%, Other 3%
• Founded year: 1962
• Headcount: 5001-10000
• LinkedIn: tce

Tata Consulting Engineers Limited (TCE), founded in 1962 and based in Mumbai, Maharashtra, is a prominent engineering consultancy firm in India. With a workforce of approximately 8,646 employees, TCE provides a wide range of services that span from design and engineering to project management and sustainability solutions. The company has a strong presence in key sectors such as power, infrastructure, and resources, including mining, metals, hydrocarbons, and chemicals. TCE has successfully managed over 12,000 projects across more than 60 countries, showcasing their extensive experience and expertise in handling complex, large-scale assignments. Their commitment to innovation is evident in their adoption of digital and advanced technologies, which enhances their service delivery and project execution capabilities. TCE also emphasizes corporate social responsibility, reflecting their dedication to positively impacting the communities they serve.

7. Atkins

• Website: atkinsglobal.com
• Ownership type: Corporate
• Headquarters: New Zealand
• Employee distribution: United Kingdom (UK) 48%, India 21%, United States (USA) 14%, Other 17%
• Latest funding: $3.6B, April 2017
• Founded year: 1938
• Headcount: 10001+
• LinkedIn: atkins

Atkins, now known as AtkinsRéalis, is an engineering and consulting firm founded in 1938. With over 11,000 employees, the company operates across various sectors, including transportation, energy, and infrastructure. They specialize in project management, design, and advisory services, helping clients tackle complex engineering challenges. Atkins is also focused on sustainability, aiming to deliver solutions that not only meet client needs but also contribute positively to the environment. Their projects range from urban development to energy systems, showcasing their capability to handle significant infrastructure initiatives. The firm has received substantial funding, amounting to $3.6 billion, which underscores its financial stability and potential for growth in the engineering consulting market.

8. Aurecon

• Website: aurecongroup.com
• Ownership type: Private
• Headquarters: Docklands, Victoria, Australia
• Employee distribution: Australia 61%, New Zealand 15%, Philippines 5%, Other 20%
• Founded year: 2009
• Headcount: 5001-10000
• LinkedIn: aurecon

Aurecon Group Pty Ltd is an engineering consultancy based in Docklands, Victoria, Australia. Established in 2009, the company has grown to employ approximately 8,954 individuals, with a significant portion of its workforce located in Australia and New Zealand. Aurecon offers a comprehensive range of services, including engineering, management consulting, design, planning, project management, and advisory services. The firm caters to both public and private sector clients, engaging in projects across various industries such as transportation, energy, and municipal services. With a strong operational footprint in the Asia-Pacific region, Aurecon is involved in numerous high-profile projects that emphasize innovation and sustainability, reflecting its commitment to addressing contemporary engineering challenges.

9. Smec

• Website: smec.com
• Ownership type: Corporate
• Headquarters: North Sydney, New South Wales, Australia
• Employee distribution: Australia 40%, India 16%, South Africa 12%, Other 32%
• Latest funding: $400.0M, August 2016
• Founded year: 1970
• Headcount: 5001-10000
• LinkedIn: smec

SMEC Holdings Limited, based in North Sydney, New South Wales, Australia, is an engineering consulting company that specializes in major infrastructure projects worldwide. With a workforce of over 7,400 employees, SMEC has a strong presence in various regions, including Australia, India, South Africa, and Bangladesh. The company offers a wide range of services, including transport planning, energy solutions, environmental assessments, and urban development. SMEC has been involved in significant projects such as the Snowy Mountains Hydroelectric Scheme, showcasing their expertise in renewable energy and sustainable practices. Their commitment to delivering effective and practical solutions is evident in their project management approach, which emphasizes collaboration with local partners and stakeholders. SMEC's focus on sustainability and climate resilience further enhances their relevance in the engineering consulting sector.

10. Beca

• Website: beca.com
• Ownership type: Private Equity
• Headquarters: Auckland, Auckland, New Zealand
• Employee distribution: New Zealand 72%, Australia 17%, Indonesia 4%, Other 6%
• Latest funding: February 2019
• Founded year: 1920
• Headcount: 1001-5000
• LinkedIn: beca

Beca Group Limited, based in Auckland, New Zealand, is a consulting firm that specializes in engineering, advisory, and management consulting services. Founded in 1920, Beca has grown from a family-owned business into one of the prominent consultancies in the Asia-Pacific region. The firm employs over 4,000 professionals and operates in 25 offices worldwide, delivering projects in more than 70 countries. Beca focuses on providing innovative solutions that optimize operations and enhance sustainability for clients across various sectors. Their expertise includes energy management, digital transformation, and earthquake engineering, reflecting their commitment to addressing contemporary challenges in engineering and infrastructure. Beca's employee-ownership model fosters a culture of collaboration and long-term relationships with clients, further solidifying their position in the industry.

11. Cowi

• Website: cowi.com
• Ownership type: Private
• Headquarters: Lyngby, Denmark
• Employee distribution: Denmark 42%, Norway 17%, India 11%, Other 30%
• Founded year: 1930
• Headcount: 5001-10000
• LinkedIn: cowi

Cowi A/S, based in Lyngby, Denmark, is a consulting firm that specializes in engineering, environmental science, and economics. Established in 1930, Cowi has grown to employ approximately 8,448 individuals, with a significant presence in Denmark, Norway, India, Sweden, and the United Kingdom. The company offers a wide range of services, including architecture, infrastructure development, and environmental consulting. Cowi collaborates with businesses and organizations to address complex challenges, focusing on sustainable solutions that enhance the quality of life for current and future generations. Their commitment to sustainability is evident in their projects, which often incorporate innovative approaches to climate change, urbanization, and digitalization. Cowi's strategic initiatives, such as the 'FUTURE-NOW' strategy, reflect their proactive stance in adapting to industry changes and advancing their capabilities in engineering and consulting.

12. ILF Consulting Engineers

• Website: ilf.com
• Ownership type: Private
• Headquarters: United States (USA)
• Employee distribution: Austria 16%, Saudi Arabia 13%, United Arab Emirates 12%, Other 59%
• Founded year: 1967
• Headcount: 1001-5000
• LinkedIn: ilf-consulting-engineers

ILF Consulting Engineers is an international engineering and consulting firm that specializes in providing comprehensive solutions across various sectors, including energy, water management, and infrastructure. Established in 1967, the company has successfully executed over 11,100 projects worldwide, leveraging its extensive experience and technical expertise. With a workforce of approximately 3,000 employees, ILF operates from more than 45 office locations across six continents, ensuring a strong regional presence that facilitates close collaboration with clients. The firm is dedicated to sustainability, actively engaging in projects that promote environmental protection and resource management. Their service offerings include management consulting, engineering, project management, and specialized services such as disaster risk management and climate change management. ILF's commitment to quality and client satisfaction is evident in their approach to project execution, which emphasizes thorough planning, interdisciplinary coordination, and stakeholder engagement.

13. National Engineering Services Pakistan (Pvt) Limited (NESPAK)

• Website: nespak.com.pk
• Ownership type: Private
• Headquarters: Lahore, Punjab, Pakistan
• Employee distribution: Pakistan 97%, Other 3%
• Founded year: 1973
• Headcount: 5001-10000
• LinkedIn: nespak--disaster-management-%26-reconstruction-division-islamabad

National Engineering Services Pakistan (Pvt) Limited (NESPAK) is a prominent engineering consultancy firm based in Lahore, Punjab, Pakistan. Established in 1973, NESPAK was created to foster a pool of talented engineers and reduce reliance on foreign consultants. The company operates as a private entity and employs over 5,200 professionals, specializing in various engineering disciplines. NESPAK provides a wide array of services, including feasibility studies, planning and design, construction supervision, and project management. The firm has a strong presence in both local and international markets, having undertaken over 4,600 projects with a cumulative cost exceeding $348 billion. NESPAK's expertise spans multiple sectors, including architecture, energy, transportation, and environmental engineering. The company has also expanded its footprint internationally, with offices in several countries, including Saudi Arabia, Oman, and Qatar, reflecting its capability to handle large-scale projects across borders.

14. Imeg

• Website: imegcorp.com
• Ownership type: Private
• Headquarters: Rock Island, Illinois, United States (USA)
• Employee distribution: United States (USA) 84%, India 16%
• Founded year: 1955
• Headcount: 1001-5000
• LinkedIn: imeg-corp

IMEG, founded in 1955 and based in Rock Island, Illinois, is a prominent engineering consulting firm that specializes in high-performance building design and infrastructure solutions. With a workforce of nearly 3,000 professionals across various locations in the United States, IMEG offers a comprehensive suite of services, including civil, structural, mechanical, and electrical engineering. The firm is particularly noted for its commitment to sustainability, providing services that focus on energy efficiency and performance optimization. IMEG serves a wide array of markets, including healthcare, education, government, and commercial sectors, showcasing its ability to handle projects of varying complexities. The firm has received recognition for its innovative approaches and successful project outcomes, further establishing its presence in the engineering consulting industry.

15. Ghd

• Website: ghd.com
• Ownership type: Private
• Headquarters: Sydney, New South Wales, Australia
• Employee distribution: Australia 42%, Canada 17%, United States (USA) 16%, Other 25%
• Founded year: 1928
• Headcount: 10001+
• LinkedIn: ghd

Ghd Group Pty Ltd, founded in 1928 and headquartered in Sydney, New South Wales, Australia, is a global employee-owned professional services firm. With over 16,000 employees, Ghd provides a comprehensive range of services that include advisory, architecture, engineering, environmental consulting, and project management. The company serves clients across multiple sectors, including water, energy, and transportation, with a strong emphasis on sustainable solutions and resilience to climate challenges. Ghd's commitment to innovation and technical expertise is evident in their projects, which aim to create lasting benefits for communities worldwide. Their focus on water risk management, as highlighted in their Aquanomics initiative, showcases their proactive approach to addressing critical issues related to climate change and resource management. Ghd operates in various countries, with significant employee distribution in Australia, Canada, the United States, and the Philippines, reflecting their global reach and influence in the engineering consulting industry.

16. Kimley-Horn

• Website: kimley-horn.com
• Ownership type: Private
• Headquarters: Raleigh, North Carolina, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1967
• Headcount: 5001-10000
• LinkedIn: kimley-horn

Kimley-Horn and Associates, Inc. is an engineering, planning, and design consulting firm based in Raleigh, North Carolina. Established in 1967, the company has built a robust portfolio of services aimed at addressing the needs of government agencies and private developers alike. With a workforce of approximately 8,500 employees, Kimley-Horn specializes in a wide array of sectors, including public infrastructure, aviation, energy, healthcare, and urban development. Their approach emphasizes practical solutions and effective project management, ensuring that clients achieve their goals efficiently. The firm is recognized for its commitment to sustainability and community involvement, reflecting a strong sense of responsibility in its operations. Kimley-Horn has not reported any recent funding, indicating a stable and self-sustaining business model.

17. Dar

• Website: dar.com
• Ownership type: Corporate
• Headquarters: Beirut, Beirut Governorate, Lebanon
• Employee distribution: Saudi Arabia 25%, Egypt 21%, India 16%, Other 38%
• Latest funding: September 2020
• Founded year: 1956
• Headcount: 10001+
• LinkedIn: dar-al-handasah

Dar Al-Handasah Consultants (Shair and Partners) is a prominent consulting firm based in Beirut, Lebanon, specializing in engineering, architecture, and project management. With a workforce of over 13,000 professionals, the company operates in multiple countries, including Saudi Arabia, Egypt, and India. Since its inception in 1956, Dar has been involved in a wide array of projects, from civic infrastructure to environmental sustainability initiatives. Their expertise spans various markets, including transportation, water resources, and telecommunications. Dar is committed to delivering innovative solutions that address complex challenges while promoting sustainable development. The firm has also been recognized for its contributions to significant projects, such as the design of major airports and renewable energy programs. Their approach integrates local knowledge with international best practices, ensuring that they meet the unique needs of the communities they serve.

18. CDM Smith

• Website: cdmsmith.com
• Ownership type: Corporate
• Headquarters: Boston, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 63%, India 13%, Qatar 6%, Other 18%
• Latest funding: March 2024
• Founded year: 1947
• Headcount: 5001-10000
• LinkedIn: cdmsmith

CDM Smith Inc. is an engineering and construction firm based in Boston, Massachusetts, with a history dating back to 1947. The company specializes in a variety of services, including design, consulting, program management, and construction, primarily in the water, environment, transportation, and energy sectors. CDM Smith serves both public and private clients, helping them tackle infrastructure and environmental challenges. The firm has a global footprint, with a significant portion of its workforce located in the United States, along with operations in India, Qatar, Germany, and the United Arab Emirates. Their projects often focus on pressing issues such as climate change, water quality, and sustainable energy solutions, showcasing their expertise and commitment to addressing contemporary challenges in the engineering field.

19. Khatib & Alami

• Website: khatibalami.com
• Ownership type: Private
• Headquarters: Singapore
• Employee distribution: Saudi Arabia 34%, Egypt 22%, India 15%, Other 29%
• Founded year: 1964
• Headcount: 5001-10000
• LinkedIn: khatib-%26-alami-cec

Khatib & Alami is a prominent engineering consulting firm based in Singapore, with a rich history dating back to 1964. The company specializes in multidisciplinary urban and regional planning, architectural, and engineering services. They serve a wide array of sectors, including construction and energy, and are known for their comprehensive solutions in infrastructure development, project management, and environmental sustainability. With a workforce of over 7,000 employees, Khatib & Alami operates across several countries, including Saudi Arabia, Egypt, India, the United Arab Emirates, and Lebanon. Their portfolio showcases a variety of projects, from transportation systems to water management and energy solutions, reflecting their commitment to addressing complex engineering challenges. The firm has not reported any recent funding, indicating a stable operational model that relies on its established expertise and client relationships.

20. SJ Group

• Website: surbanajurong.com
• Ownership type: Private
• Headquarters: Singapore
• Employee distribution: Singapore 58%, Saudi Arabia 9%, India 8%, Other 25%
• Founded year: 2003
• Headcount: 10001+
• LinkedIn: surbanajurong

Surbana Jurong Private Limited, commonly known as SJ Group, is a consulting firm based in Singapore that specializes in infrastructure and urban development. Founded in 2003, the company has grown to employ over 12,500 professionals across various countries, with a significant presence in Singapore, Saudi Arabia, and India. SJ Group provides a wide array of services, including planning, design, engineering, and project management, catering to both government agencies and private developers. Their commitment to sustainability is evident in their projects, which aim to enhance urban living while addressing environmental concerns. The firm has been involved in numerous high-profile projects globally, including the planning of industrial parks and the design of significant urban spaces. SJ Group has also been recognized in industry rankings, such as being placed 14th in the World Architecture 100 for 2024 and 23rd in Engineering News-Record’s Top 225 International Design Firms for the same year.

21. Klohn Crippen Berger

• Website: klohn.com
• Ownership type: Private
• Headquarters: Vancouver, British Columbia, Canada
• Employee distribution: Canada 57%, Australia 24%, Peru 13%, Other 7%
• Founded year: 1950
• Headcount: 501-1000
• LinkedIn: klohn-crippen-berger

Klohn Crippen Berger (KCB) is an engineering consulting firm based in Vancouver, British Columbia, Canada. Founded in 1950, KCB has built a strong reputation in the fields of geoscience and environmental services. The firm operates across various sectors, including mining, hydropower, infrastructure, transportation, and energy. KCB is known for its commitment to providing sustainable solutions that address complex engineering challenges. Their projects often involve significant technical expertise, and they have been involved in some of the most challenging engineering endeavors globally. KCB has received over 50 national and international awards, reflecting their dedication to quality and innovation in their work. The company emphasizes a people-first approach, prioritizing the well-being and professional development of its employees while maintaining a strong focus on environmental stewardship and social responsibility.

22. VCE Vienna Consulting Engineers ZT GmbH

• Website: vce.at
• Ownership type: Family Owned
• Headquarters: Vienna, Vienna, Austria
• Employee distribution: Austria 80%, Romania 12%, Qatar 5%, Other 3%
• Latest funding: Other (Grant), $60,000, January 2015
• Founded year: 1986
• Headcount: 201-500
• LinkedIn: vce-holding-gmbh

VCE Vienna Consulting Engineers ZT GmbH, based in Vienna, Austria, is an engineering firm that specializes in providing innovative engineering and consulting services. Established in 1986, VCE has built a strong reputation in civil engineering, digital engineering, and sustainability. The company serves clients across the construction and environmental sectors, helping them navigate complex projects with expertise in infrastructure design and environmental consulting. VCE is committed to integrating innovation into its operations, which is evident through its innovation management platform that fosters creative ideas and solutions. The firm also emphasizes climate protection and sustainability, actively working to minimize the environmental impact of its projects. With a workforce of around 75 employees, VCE has a significant presence in Austria, while also operating in Romania, Qatar, and Moldova. Their involvement in research projects and collaboration with academic institutions highlights their dedication to advancing engineering practices and addressing contemporary challenges in the industry.

23. Rps

• Website: rpsgroup.com
• Ownership type: Corporate
• Headquarters: Abingdon, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 45%, Australia 27%, Netherlands 9%, Other 19%
• Latest funding: September 2022
• Founded year: 1987
• Headcount: 5001-10000
• LinkedIn: rps

RPS Group Limited, founded in 1987 and headquartered in Abingdon, England, is a consulting firm that specializes in advisory, technical consulting, and project management. With a workforce of approximately 6,885 employees, RPS operates globally, with significant presence in the UK, Australia, and the Netherlands. The company serves a variety of sectors, including property, energy, transport, water, and government services. RPS is known for its technical services in areas such as civil engineering, environmental impact assessments, and project management for complex infrastructure projects. Their commitment to sustainability and responsible development is evident in their environmental consulting services, which address ecological impacts and compliance with regulations. RPS is part of Tetra Tech, a larger entity that enhances its capabilities and reach in the consulting industry.

24. Kci

• Website: kci.com
• Ownership type: Private
• Headquarters: Sparks, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1955
• Headcount: 1001-5000
• LinkedIn: kci-technologies-inc-

KCI Technologies, founded in 1955 and based in Sparks, Maryland, is a private engineering and consulting firm with a workforce of over 2,500 employees. The company specializes in a wide array of services, including construction management, environmental engineering, and technology solutions. KCI serves a variety of clients, ranging from government agencies to private sector companies, with a strong emphasis on infrastructure development and sustainability. Their projects span multiple industries, ensuring compliance with regulations and enhancing public safety. KCI is recognized for its innovative approaches in areas such as transportation and environmental management, and it actively engages in projects that address contemporary infrastructure challenges. The firm operates across 18 states, showcasing its geographical reach and commitment to serving local communities.

25. Thornton Tomasetti

• Website: thorntontomasetti.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 68%, India 16%, United Kingdom (UK) 8%, Other 8%
• Founded year: 1949
• Headcount: 1001-5000
• LinkedIn: thornton-tomasetti

Thornton Tomasetti is a scientific and engineering consulting firm based in New York, founded in 1949. With a workforce of approximately 1,828 employees, the company operates globally, providing a wide array of services that include structural engineering, facade engineering, and sustainability solutions. They cater to various sectors such as architecture, construction, and defense, helping clients navigate complex engineering challenges. The firm emphasizes innovation and collaboration, investing in research and development to enhance their service offerings. Thornton Tomasetti has a strong commitment to addressing climate change, offering expertise in decarbonization and resilience. Their extensive project portfolio includes work on notable structures and facilities, reflecting their capability and experience in the industry.

26. POWER Engineers

• Website: powereng.com
• Ownership type: Corporate
• Headquarters: Hailey, Idaho, United States (USA)
• Employee distribution: United States (USA) 95%, Canada 4%, Other 1%
• Latest funding: $1.8B, August 2024
• Founded year: 1976
• Headcount: 1001-5000
• LinkedIn: power-engineers

POWER Engineers is an engineering and consulting firm based in Hailey, Idaho, founded in 1976. The company specializes in providing integrated solutions across various sectors, including energy, manufacturing, and government services. Their service offerings include architecture, engineering, environmental consulting, and project management, aimed at enhancing infrastructure and ensuring compliance with regulations. With a workforce of approximately 4,996 employees, POWER Engineers operates primarily in the United States, with a small presence in Canada and other regions. The firm has been involved in numerous projects that focus on improving energy systems and infrastructure, showcasing their expertise in the field. Recently, they secured $1.78 billion in funding, which underscores their financial stability and potential for growth in the engineering consulting market.

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