These are large civil engineering companies from around the world, specializing in infrastructure development and consulting. VINCI Concessions is a global leader in mobility infrastructure, while AECOM provides infrastructure consulting services. Tetra Tech offers consulting and engineering for water, environment, and energy, and Mott MacDonald focuses on improving society through digital innovation.
The list includes companies like Parsons Corporation, which develops defense and critical infrastructure solutions, and GHD, providing integrated solutions in water, energy, and communities. Many of these firms are involved in large-scale projects, with headquarters spanning from Nanterre to Dallas and London.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
VINCI Concessionsvinci-concessions.com
A global leader in mobility infrastructure, designing, financing, building, operating, and maintaining airports, highways, and railway projects in 23 countries |
219,000 | |||
| 2 | 57,963 | ||||
| 3 | 
Nao Tembrasfuros.com.br
A civil engineering firm in Rio De Janeiro, Brazil specializing in various projects and services |
28,965 | |||
| 4 |
Tetra Techtetratech.com
A global provider of consulting and engineering services, specializing in innovative technical solutions for water, environment, infrastructure, energy, and international development projects |
27,460 | |||
| 5 |
Mott MacDonaldmottmac.com
The company focuses on improving society through digital innovation, excellence, and solving intricate challenges with clients to deliver better outcomes |
24,653 | |||
| 6 |
Parsons Corporationparsons.com
A digitally enabled solutions provider creating future defense, intelligence, and critical infrastructure solutions with an agile and innovative approach |
20,710 | |||
| 7 |
MRVmrv.com.br
Affordable housing provider in Brazil, offering various housing solutions, building communities with social responsibility, sustainability, and improving quality of life |
17,671 | |||
| 8 | 17,363 | ||||
| 9 |
Civil Engineerrisingindia.org
A company featuring civil engineering projects, from planning and designing infrastructures to maintaining and improving existing structures for public and environmental health |
17,299 | |||
| 10 |
Egisegis-group.com
An international consultancy specializing in sustainable infrastructure, construction engineering, and mobility services, working towards achieving carbon neutrality and social development globally |
15,158 | |||
| 11 |
Epirocepiroc.com
Partner for mining and infrastructure equipment, providing leading-edge solutions, expert service, committed to safety, environmental, and social responsibility to maximize productivity. |
13,185 | |||
| 12 |
Ferrovialferrovial.com
A multinational company with a presence in over 15 countries, employing 24,000 professionals, listed on various stock exchanges and sustainability indices |
12,956 | |||
| 13 |
SNC-Lavalinatkinsrealis.com
Global engineering services and nuclear organization connecting people, data, and technology to transform infrastructure and energy systems worldwide. |
11,913 | |||
| 14 | 11,000 | ||||
| 15 | 10,705 | ||||
| 16 | 8,854 | ||||
| 17 | 8,647 | ||||
| 18 |
CDM Smithcdmsmith.com
This company provides comprehensive solutions in water, environment, transportation, energy, and facilities to worldwide public and private clients |
8,617 | |||
| 19 |
URS Corporation, An AECOM Companyurs.com
A global professional and technical services firm offering design, construction, and operations of infrastructure assets worldwide for public and private clients |
8,221 | |||
| 20 |
Arteliaarteliagroup.com
consultancy, engineering, and project management group specializing in mobility, water, energy, building, and industry, offering comprehensive engineering solutions globally. |
8,106 | |||
| 21 | 7,839 | ||||
| 22 |
Royal HaskoningDHVhaskoning.com
Independent consulting engineering firm providing sustainable solutions addressing climate change, digital transformation, energy transition, and societal challenges worldwide. |
7,740 | |||
| 23 |
American Hair Force
Civil engineering company located in Folsom, California, specializing in various civil engineering services in the United States |
7,277 | |||
| 24 |
Terraconterracon.com
This employee-owned consulting engineering firm offers environmental, facilities, geotechnical, and materials services for diverse private and public clients across numerous locations, both nationally and internationally. |
7,073 | |||
| 25 |
CH2Mjacobs.com
global infrastructure and natural resource problems solver, creating new pathways for human progress. Engineering for governments, cities, and businesses. |
7,008 | |||
| 26 |
Boskalisboskalis.com
Global leader in dredging, maritime infrastructure, and services, providing innovative solutions for coastal challenges, climate change effects, offshore energy, and marine salvage |
6,940 | |||
| 27 |
CBSI - Companhia Brasileira de Serviços de Infraestruturacbsi.com.br
Offering integrated industrial services such as electromechanical maintenance, logistics, engineering, and industrial painting with a focus on customer satisfaction and loyalty |
6,571 | |||
| 28 |
Fulton Hoganfultonhogan.com
With 90 years experience, we specialize in building infrastructure in transport, water, energy, mining, and land development sectors across NZ, Australia, and the South Pacific |
6,402 | |||
| 29 |
Progenprogen.com.br
Leading engineering consulting firm in Brazil with operations in over 21 countries With 2,500 employees, they design the future across various sectors |
6,372 | |||
| 30 |
Sahil Jamwal Design Consultant
Provides consultancy services in project management to help businesses effectively plan, execute, and deliver successful projects within specified constraints |
6,257 | |||
| 31 |
Odebrecht Engenharia & Construçãoodebrecht.com
With 79 years of experience, this company specializes in engineering projects worldwide, focusing on creating value for society and leaving a lasting legacy for future generations |
5,962 | |||
| 32 |
National Highwaysnationalhighways.co.uk
Government company managing, maintaining, and modernising motorways and main A roads to ensure smooth traffic flow nationwide. |
5,889 | |||
| 33 |
DEME Groupdeme-group.com
A leading contractor in offshore energy, environmental remediation, dredging, and marine infrastructure, with a focus on sustainability and innovative solutions |
5,770 | |||
| 34 | 5,743 | ||||
| 35 |
Concremat Engenharia e Tecnologiaconcremat.com.br
A leading engineering organization with 70 years of experience, focusing on quality, efficiency, and sustainability in infrastructure projects across Brazil |
5,634 | |||
| 36 | 4,994 | ||||
| 37 | 4,949 | ||||
| 38 |
Van Oordvanoord.com
Leading international contractor specializing in dredging, marine engineering, and offshore projects providing innovative solutions for global maritime challenges with a focus on teamwork and marine ingenuity |
4,906 | |||
| 39 | 4,858 | ||||
| 40 |
China Railway Construction Co., Ltd.crcc.cn
A civil engineering organization based in Beijing, specializing in construction projects and creating networking opportunities on LinkedIn for growth |
4,855 | |||
| 41 |
NYS Department of Transportationdot.ny.gov
The company is responsible for coordinating transportation policy, developing facilities and services, overseeing public safety for railroads and motor carriers, and regulating carriers |
4,797 | |||
| 42 |
Norconsultnorconsult.no
Multidisciplinary consultancy offering engineering, design, planning, and project management services across public and private sectors globally. |
4,574 | |||
| 43 |
Shapoorji Pallonji - Engineering & Construction (SP E&C)shapoorji.in
Specializing in engineering & construction solutions globally, with a focus on quality, innovation, and safety to enrich lives for over 153 years |
4,574 | |||
| 44 |
TPFtpfgroup.com
Global multidisciplinary engineering consultancy providing end-to-end project execution across fifty countries using local know-how and international expertise for diverse infrastructure and development sectors. |
4,569 | |||
| 45 |
Michael Baker Internationalmbakerintl.com
Comprehensive engineering, consulting, and technology services for infrastructure projects including design, planning, environmental, and program management across multiple sectors. |
4,466 | |||
| 46 |
STVstvinc.com
A professional services company specializing in transportation systems, building design, water systems, and other essential infrastructure for public and private sector clients |
4,301 | |||
| 47 |
Atlasoneatlas.com
A nationwide provider of professional testing, inspection, engineering, environmental, and consulting services for public and private sector clients in various markets |
4,185 | |||
| 48 |
ICA Ingenieros Civiles Asociadosica.com.mx
A Mexican company with 68 years of experience providing integrated infrastructure solutions Focus on innovation, sustainability, and efficient construction in diverse markets |
4,164 | |||
| 49 |
Sigdo Koppers SKICskic.com
Specializes in large-scale industrial construction and assembly projects, leveraging over 50 years of experience and advanced technological innovation. |
4,117 | |||
| 50 |
Murphymurphygroup.com
Provides engineering and construction services across transportation, water, power, natural resources, and property sectors in UK, Ireland, and Canada. |
4,078 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Costain Group PLCcostain.com
A pioneering infrastructure company in the UK, Costain delivers sustainable solutions for energy, water, transportation, and defence markets while focusing on net zero goals and inclusive practices |
4,021 | |||
| 52 |
Construtora Barbosa Mellocbmsa.com.br
A pioneer in infrastructure development with a diversified business portfolio, known for productivity, punctuality, safety, and client satisfaction |
3,857 | |||
| 53 |
China Road and Bridge Corporation (CRBC)crbc.com
A leading Chinese company specializing in international project contracting of roads, bridges, ports, railways, and more worldwide since 1958 |
3,836 | |||
| 54 | 3,794 | ||||
| 55 |
Eiffage Génie Civileiffagegeniecivil.com
Specializing in civil engineering, this company designs, builds, maintains, and demolishes ambitious structures in France and internationally with a human perspective |
3,786 | |||
| 56 |
Reframax Engenharia S.Areframax.com.br
Specializing in refractory coatings, thermal and acoustic insulation, industrial services, maintenance, and construction with a focus on safety, quality, and environmental responsibility |
3,441 | |||
| 57 | 3,321 | ||||
| 58 |
County of Los Angeles Department of Public Workspw.lacounty.gov
The organization plans, designs, constructs, and upkeeps modern infrastructure to enhance all communities within LA County |
3,303 | |||
| 59 |
UEM Group Berhaduem.com.my
A leading engineering-based infrastructure conglomerate with global operations, delivering key projects and services for public and private sectors worldwide |
3,258 | |||
| 60 |
Florida Department of Transportationfdot.gov
Executive agency reporting to Governor of Florida, responsible for coordinating safe and balanced state transportation system including roadway, air, rail, sea, and more |
3,241 | |||
| 61 |
MOE Denmarkarteliagroup.dk
The company offers services under the name Artelia and operates in Denmark Check their LinkedIn profile for more information |
2,916 | |||
| 62 |
GRUPO RCSrcstecnologia.com.br
Engineering company specialized in offering technical services for critical missions Providing high-tech solutions to keep operations running 24/7 for various clients since 2006 |
2,865 | |||
| 63 | 2,812 | ||||
| 64 |
Ahluwalia Contracts (India) Ltd.acilnet.com
A leading Civil Contractor in the Construction Industry with over 45 years of experience, specializing in projects nationwide Recognized for ISO certifications |
2,716 | |||
| 65 | 2,710 | ||||
| 66 |
ECS Group of Companiesecslimited.com
A consulting engineering firm offering geotechnical, environmental, construction materials testing, and facilities engineering services through its employee-owned subsidiaries across the US |
2,665 | |||
| 67 |
Arteris S.A.arteris.com.br
Specialized in managing highways, connecting people and optimizing freight transportation across important economic axes, promoting diversity, inclusion, equality, and values in daily operations #movement |
2,663 | |||
| 68 |
Freyssinetfreyssinet.com
specialist civil engineering, offering integrated technical solutions for construction, repair, and maintenance across various structures, including buildings, bridges, and industrial installations |
2,661 | |||
| 69 |
Engelmig Energiaengelmig.com.br
Established in 1985, the company specializes in engineering services for electrical distribution networks, focusing on integrated solutions and becoming a national reference in specialized services |
2,656 | |||
| 70 |
Kleinfelderkleinfelder.com
Engineering, science, and construction firm offering solutions for transportation, water, energy, and private infrastructure projects with a dedicated, cross-disciplinary team |
2,656 | |||
| 71 |
CyD Ingenieríacydingenieria.com
Provides project management, technical inspection, and engineering services across various industries like mining, public works, and transportation in Latin America. |
2,650 | |||
| 72 |
Meinhardt Groupmeinhardtgroup.com
Asian-based engineering company with global reach, providing innovative and sustainable solutions for complex projects in various industries worldwide |
2,540 | |||
| 73 |
American Society of Civil Engineersasce.org
Established in 1852, this organization represents over 150,000 members worldwide They provide conferences, education, publications, and set codes for civil engineering standards |
2,510 | |||
| 74 |
Nova Engevixnovaparticipacoes.com
A leading Brazilian engineering consultancy providing services in project development, construction management, and turnkey projects for energy, oil & gas, and infrastructure sectors |
2,405 | |||
| 75 |
Service Streamservicestream.com.au
Service Stream provides end-to-end asset life-cycle services in telecommunications, utilities, and transport sectors, with a team of 5000+ employees and skilled contractors |
2,403 | |||
| 76 | 2,400 | ||||
| 77 |
Aarvee Associatesaarvee.com
Global infrastructure consultancy with extensive experience in various sectors, delivering over 2,500 successful projects worldwide funded by international agencies, focusing on client satisfaction and quality |
2,376 | |||
| 78 |
BAM Infra Nederlandbaminfra.nl
Infrastructure company in the Netherlands offering innovative, safe, and sustainable solutions for various projects, contributing to urban development and future connectivity |
2,351 | |||
| 79 |
Langan Engineering & Environmental Serviceslangan.com
The company provides engineering and environmental consulting services globally for land development, real estate, and oil and gas industries with innovative solutions |
2,317 | |||
| 80 |
H.G. Infra Engineering Limitedhginfra.com
A leading EPC company since 2003, specializing in civil construction and infrastructure projects, with a focus on creating world-class assets in India for economic growth |
2,314 | |||
| 81 | 2,294 | ||||
| 82 |
R&Q Ingenieríaryq.cl
Leading Chilean consulting company in civil, mining, energy, and concessions with over 800 professionals delivering engineering solutions for large infrastructure projects in Latin America |
2,233 | |||
| 83 |
Civil & Environmental Consultants, Inc.cecinc.com
A comprehensive consulting firm offering innovative solutions in various areas such as air quality, civil engineering, environmental sciences, and waste management for a range of industries |
2,226 | |||
| 84 |
Louis Bergerwsp.com
A global professional services corporation specializing in solving complex infrastructure and development challenges for various clients worldwide with integrity and expertise |
2,162 | |||
| 85 |
CHA Consulting, Inc.chasolutions.com
Innovative engineering consulting and construction management firm offering a wide range of planning, design, and project management services to clients in North America |
2,144 | |||
| 86 | 2,062 | ||||
| 87 |
Pape-Dawsonpape-dawson.com
A well-established company providing civil engineering, surveying, GIS, and environmental services with a focus on employee growth and community impact |
2,040 | |||
| 88 |
Groupe Cosidercosider-groupe.dz
Based in Algiers, this company specializes in civil engineering projects, operating from its headquarters on Chemins du Paradou Street. |
2,037 | |||
| 89 |
MWH, now part of Stantec
This company is no longer active on LinkedIn Visit their new page to learn more about their services |
2,022 | |||
| 90 |
Local Government Engineering Department (LGED)lged.gov.bd
Specializes in providing transport infrastructure in rural areas, supporting local government institutions, and implementing development projects for improved communication and poverty reduction |
2,020 | |||
| 91 |
Egis in Indiaegis-group.com
International player offering consulting, construction engineering, and mobility services Specializing in designing intelligent infrastructure for sustainable, resilient territorial development in various sectors |
1,994 | |||
| 92 |
Trevi Grouptrevigroup.com
A world leader in underground engineering, specializing in foundation and soil consolidation works for large infrastructure projects globally Also manufactures machinery for underground engineering |
1,950 | |||
| 93 |
BYLOR Joint Venture
A joint venture between Bouygues Travaux Publics and Laing O'Rourke building the main civil engineering works for Hinkley Point C nuclear power station |
1,942 | |||
| 94 |
SYSTRA Indiasystra.com
Consulting and engineering firm, world leader in public transport infrastructure engineering, mass transit and rail projects, high-speed rail, conventional rail, metro, light rail transit. |
1,933 | |||
| 95 |
China Railway Group Limitedcrec.cn
Civil engineering company specializing in infrastructure construction, project management, and engineering services based in Beijing, China. |
1,902 | |||
| 96 |
WAPCOS Limited officialwapcos.co.in
A consultancy firm providing services in water resources, power, and infrastructure sectors globally, with a focus on cost-effective solutions and timely project delivery |
1,900 | |||
| 97 |
China Communications Construction (ECRL) Sdn Bhdccccltd.cn
A civil engineering company based in Beijing, specializing in construction projects Connect on LinkedIn for networking, branding, and recruitment opportunities |
1,900 | |||
| 98 |
Italferr S.p.A.gruppofsengineering.it
A leading Italian engineering firm with expertise in infrastructure projects for rail, road, and port, offering design, management, and consultancy services internationally |
1,896 | |||
| 99 |
Witteveen+Boswitteveenbos.com
Global engineering and consultancy firm providing sustainable solutions in infrastructure, water, environment, and construction projects worldwide with a focus on value creation and talent development |
1,892 | |||
| 100 |
Availableavailableremodelacoes.pt
Construction of homes, renovations, interior decoration, and project design services in Setúbal, Portugal |
1,870 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.
More company lists in the world
- The largest companies in the world 415,089
- Multinational companies in the world 74,905
- Manufacturers in the world 39,566
- Retail chains in the world 35,498
- Companies with in-house R&D in the world 34,334
- Financial services firms in the world 26,817
- Professional services firms in the world 24,737
- Education providers in the world 23,937
- IT Services and IT Consulting companies in the world 23,571
- Critical infrastructure operators in the world 23,312
- SaaS companies in the world 22,459
- IT services companies in the world 20,934
- Software Development companies in the world 20,534
- Hardware manufacturers in the world 20,150
- Financial Services companies in the world 19,958
- Companies with a mobile app in the world 18,922
- Public sector organisations in the world 18,492
- Healthcare providers in the world 16,037
- Consulting firms in the world 16,009
- Family-owned companies in the world 14,667
- Distributors and wholesalers in the world 13,470
- Hospitals and Health Care companies in the world 12,916
- Corporate groups and holding companies in the world 12,862
- E-commerce companies in the world 12,013
The same list elsewhere
- Civil Engineering companies in Europe 624
- Civil Engineering companies in North America 424
- Civil Engineering companies in the United States 371
- Civil Engineering companies in France 261
- Civil Engineering companies in Latin America 231
- Civil Engineering companies in Asia 193
- Civil Engineering companies in Brazil 179
- Civil Engineering companies in the United Kingdom 120
- Civil Engineering companies in India 116
- Civil Engineering companies in Africa 55
- Civil Engineering companies in the Netherlands 50
- Civil Engineering companies in Canada 43
- Civil Engineering companies in Spain 41
- Civil Engineering companies in Italy 39
- Civil Engineering companies in China 34
- Civil Engineering companies in Australia 25
- Civil Engineering companies in the Middle East 25