World's largest Engineering and Construction Companies


ABB is a global leader in power and automation technologies that enable utilityand industry customers to improve their performance while lowering environmentalimpact.


AESA is an argentinean Engineering, Construction and Services company belonging to YPF SA. It provides the Oil, Gas and Petrochemical industry with plant, oil and gas field engineering, manufacturing, construction, operation and maintenance services.


AFCONS has a presence in almost the entire spectrum of Infrastructure activities in India and transnationally in the Middle East and Africa.

Aker Solutions

Aker Solutions ASA is a Norwegian Oil services company that offers Engineering, Construction, Maintenance, Modification and Operation services for new andexisting oil and gas fields.


AMEC plc is a multinational consultancy, engineering and project management company headquartered in London, United Kingdom.


Archirodon Group NV is a Greek company with headquarters based in Dordrecht, Netherlands and Athens, Greece, that provides services relating to the construction and maintenance of maritime infrastructure and other constructionworks on an international basis.


Bechtel Corporation (Bechtel Group) is the largest construction and engineering company in the United States, ranking as the 5th-largest privately owned company in the U.S. Its headquarters are in the Financial District of San Francisco. As of 2010, Bechtel had $30.8 billion in revenue and employed 49,000 workers on projects in nearly 50 countries.

BESIX Sanotec

BESIX Sanotec, daughter company of the Belgian BESIX Group, is specialised indesigning, constructing and starting-up of Wastewater Treatment Plants, sludgetreatment installations and also provides solutions for potable water.


Bilfinger based in Mannheim, Germany, is a international construction and services company that operates in real estate, infrastructure and industrial services. The services offered range from consulting, development, planning, financing and turnkey construction through to maintenance and operation. Bilfinger holds the eighth place in the European ranking of construction companies.


Bonatti S.p.A., Head Office Parma - Italy, provides engineering, procurement, construction, and operation and maintenance services to the oil, gas and power Industry.

Chicago Bridge and Iron Company

CBandI, founded in 1889 in Chicago, Illinois, USA, as Chicago Bridge and Iron Company, today's combines proven process technology with global capabilities in engineering, procurement and construction (EPC) to deliver comprehensive solutions to customers in the energy and natural resource(s) industries.

Chiyoda Corp.

Chiyoda Corporation is a large Japanese engineering company specialising in industrial facilities, particularly oil refineries and LNG facilities.

Consolidated Contractors Company

CCC, Consolidated Contractors Company is the largest construction company in the Middle East and ranks among the top 20 international contractors with offices and projects in more than 40 countries, and a work force of more than 150,000 employees.

C.A.T. Group

C.A.T. Group has played a significant and proud role in the history of 20th Century contracting. Established in Haifa in 1937, the Contracting And Trading(C.A.T.) Company experienced both the sufferings and the aspirations of the tumultuous area.


Daelim Industrial Co., Ltd. is a Korean Engineering and Construction company. In 1966, Daelim became Korea's first company to work on an overseas construction project by entering the Vietnamese market.

Daewoo Engineering and Construction

Daewoo Engineering and Construction is a Korean construction company foundedand established in 1973, headquartered in Seoul, South Korea.


Danieli, headquartered in Buttrio - Italy, ranks among the three largest suppliers of plants and equipment to the metals industry, worldwide.


Enppi Engineering for the Petroleum and Process Industries was establis hedon January 15th, 1978 and is currently working under Egyptian Investment Law. The Egyptian General Petroleum Corporation (EGPC) is the principal share holderowning 97% of the total shares of Enppi.

Fluor Coporation

Fluor Corporation is a publicly owned engineering, procurement, construction, and maintenance services organization. Fluor is headquartered in the Las Colinasarea of Irving, Texas. The company employs more than 41,000 international employees and maintains offices in over 25 countries.

Foster Wheeler

Foster Wheeler AG (previously Foster Wheeler Inc.) is a global conglomerate withits principal executive offices in Geneva, Zwitzerland. It is focused on Engineering, Procurement, and Construction (EPC) and on power.

Fugro N.V.

Fugro N.V. is a Dutch multinational company headquartered in Leidschendam. Fugro provides geotechnical, survey and geoscience services to oil, gas, mining and construction industries.

Ghizzoni S.P.A.

Ghizzoni S.P.A. italian company is a very experienced company that has been operating in the pipeline construction field since 1950's.

GS Engineering and Construction Corp.

GS Engineering and Construction Corp. is a Korea-based company engaged in the construction and engineering of plant segment constructs oil, gas and petrochemical plants, and power and environment segment construction power plant and environment facilities.

Gulf Interstate Engineering

Gulf Interstate Engineering serves the worldwide pipeline industry, providing project management, engineering, procurement and construction management for hydrocarbon transportation systems from the wellhead to the export terminal.

Hochtief Aktiengesellschaft

Hochtief Aktiengesellschaft is a construction company based in Essen, Germany. Hochtief is Germany's largest construction company and operates globally, ranking as one of the largest general construction companies in the United States through its Turner subsidiary, and in Australia through the Leight on Construction company.

Hyundai Engineering and Construction

Hyundai Engineering and Construction Co., Ltd. is a major construction company in South Korea which has carried out projects not only in Korea but around the world. The company was founded by Chung Ju-yung in 1947 as the Hyundai CivilWorks Company, and was a major component of the Hyundai Group. Hyundai Construction and Hyundai Engineering merged in 1999.

Impregilo S.p.A.

Impregilo S.p.A. is an Italian-based construction and civil engineering business headquartered in Milan. The company was founded in 1959 and, through mergers, has grown to become the leading Italian engineering and general contractinggroup in the construction and environmental sectors.


IREM S.p.A. was founded in 1979 by a group of professionals with a solid experience record in the mechanical construction business. The company headoffice is in Syracuse, on the eastern coast of Sicily - Italy.

Jacobs Engineering

Jacobs Engineering Group Inc., a publicly traded company with 60,000 employees. Jacobs provides technical, professional, and construction services globally. Headquartered in Pasadena, California, it was founded in 1947 by Dr. Joseph J.Jacobs.

Jan De Nul Group

Jan De Nul Group is a family-owned Belgian company, with the financial headquarters in Luxembourg, that provides services relating to the constructionand maintenance of maritime infrastructure on an international basis. Its mainfocus is dredging (including other forms of marine engineering), which accountsfor 85% of the turnover.

JGC Corporation

JGC Corporation, formerly Japan Gasoline Co. is a global engineering company headquartered in Yokohama, Japan. The company was founded on 25 October 1928. In 1976, it changed its original name from Japan Gasoline Co. to JGC Corporation. JGC Corporation has participated or is participating in the designing and construction of large energy projects

KBR, Inc.

KBR, Inc. (formerly Kellogg Brown and Root) is an American engineering, construction and private military contracting company, formerly a subsidiary of Halliburton, headquartered in Houston. KBR is the largest non-union construction company in the United States.

Kiewit Corporation

Kiewit Corporation is an employee-owned based in Omaha, Nebraska. Privately held, it is one of the largest contractors in the world. Along with significant mining and off-shore operations, the company also contracts small grading (dirtmoving) projects for residential or commercial development.

Larsen and Toubro

Larsen and Toubro Limited is an Indian multinational conglomerate corporation headquartered in Mumbai, Maharashtra, India. The company has business interests in engineering, construction, manufacturing, information technology and financial services.

Layne Christensen Company

Layne Christensen Company is a drilling company based in Mission Woods, Kansas. The company provides drilling and related services worldwide.

Lurgi GmbH

Lurgi GmbH is a German engineering, construction and chemical process licensing company. The head office is located in Frankfurt am Main. Lurgi GmbH has beenpart of Air Liquide S. A. since 2007.

Maire Tecnimont

Maire Tecnimont is the head of an Italian Group in Engineering and Main Contracting sector, active on the domestic and international market in the following sectors.. Oil and Gas, Chemical and Petrochemical, Energy, Infrastructure and Civil Engineering.

McDermott International

McDermott International is an international engineering company specialized on marine solutions with operations in the Americas, Middle East, the Caspian Sea and the Pacific Rim. It is headquartered in Houston, Texas.

METKA (Metallikes Kataskeves Ellados)

METKA (Metallikes Kataskeves Ellados, or Metal Constructions of Greece) is amajor Greek engineering company founded in 1962, involved in the design and construction of power plants, complex metal structures, defence equipment etc.

MT HØjgaard Group

MT HØjgaard Group is one of the leading contruction and civil engineering companies in the Nordic countries. MT HØjgaard collaborate with customers throughout Denmark and also abroad.

Wood Group Mustang

Wood Group Mustang is a global project management, engineering, procurement, and construction operations business serving the upstream oil and gas, refining and chemicals, pipeline, automation and control, and industrial markets. It has offices in the United States, Latin America, Canada, United Kingdom, India, Malaysia, North Africa and the Middle East.

Waldemar S. Nelson and Company

Waldemar S. Nelson and Company, Inc. provides construction management, safety, planning/scheduling, QA/QC, inspection, civil/structural, electrical, mechanical, and architectural services for various construction projects. Nelson has offices located in New Orleans, Louisiana and Houston, Texas.

Odebrecht S.A.

Odebrecht S.A. is a Brazilian conglomerate in the fields of engineering, construction, chemicals and petrochemicals. The company was founded in 1944 in Salvador da Bahia by Norberto Odebrecht, and is now present in South America, Central America, North America, the Caribbean, Africa, Europe and the MiddleEast.

Van Oord

Van Oord is a Dutch contracting company that specializes in dredging and land reclamation. Van Oord has undertaken many projects throughout the world, including land reclamation, dredging and beach nourishment.

Orascom Construction Industries

Orascom Construction Industries is a leading Egyptian EPC (engineering, procurement and construction) contractor, based in Cairo, Egypt and active in more than 25 countries. OCI was established in Egypt in 1950 and owned by Onsi Sawiris. The company is the first multinational Egyptian corporation, and is one of the core Orascom Group companies.


Petrofac is an international provider of integrated facilities services to the oil, gas and energy production and processing industries. It is registered in Jersey, with its main corporate office in Jermyn Street, London. In addition it has major offices in Aberdeen, Chennai, Mumbai, and Sharjah, and a further 20 offices in various countries.


Penspen, Head Office London, UK, is an independent group of companies providing engineering and management services to the oil and gas industry. They have over 1600 staff working in more than 15 offices worldwide.


Propak, Head Office in Alberta, Canada, specializes in oil and gas production packages and modularized processing plants and operates one of the largest engineering and fabrication businesses in Canada.

Punj Lloyd

Punj Lloyd, Head Office in Gurgaon, India is an engineering and construction group of India providing integrated design, procurement and project management services for energy and infrastructure sector projects. Punj Lloyd operations are located in the Middle East, the Caspian, the Asia Pacific, the Europe, Africa and South Asia.

Saipem S.p.A.

Saipem S.p.A. is an Italian oil and gas industry contractor. It is a subsidiary of Italian energy company Eni, which owns approximately 43% of Saipem's shares. Saipem has contracted for designing and constructing several pipelines, including Blue Stream, Greenstream, Nord Stream and South Stream.

Samsung Engineering

Samsung Engineering Co., Ltd. was founded as the first engineering firm in Korea in 1970 and has its headquarters based in Seoul, South Korea. As an engineering, procurement and construction (EPC) company, it provides a full range of engineering services including feasibility studies, design, procurement, construction, and commissioning. The Company has substantial business in over 30 countries worldwide, with an established presence in countries such as Saudi Arabia, United Arab Emirates, India, Thailand, Trinidad and Tobago, Shanghaiand Mexico.

Shaw Group

Shaw Group headquartered in Baton Rouge, Louisiana has approximately 27,000 employees all over the world. Its core competencies are Engineering, Procurement, and Construction, piping, energy, chemical, and fossil and nuclear power.


SICIM, Head Office in Busseto, Italy is a Construction Company established in 1962 and offering all types of services related to the installation of pipelines and relevant ancillary facilities for the transmission and distribution of oil, gas and water on an international basis.

Siirtec Nigi

Siirtec Nigi, Head Office in Milano, Italy is a leading engineering and contracting company operating internationally in the field of sulphur recovery, acid gas removal, oil and gas processing and environmental clean up. The company has considerable experience in the design and supply of skid-mounted and modular packages and plant.

SK Engineering and Construction

SK Engineering and Construction, for more than 30 years has carried out oil refining, gas and petrochemical projects in various places around the world.

SNC-Lavalin Group

SNC-Lavalin Group Inc., a Montreal-based company is the largest engineering and construction company in all of Canada. It is among the top 5 Global Design firms in the world. It was formed in 1991 from the merger of Surveyer, Nenniger and Chenevert Consulting Engineers (SNC) and the failing Lavalin, another Quebec based engineering firm.


Sofregaz is a French based, international company providing worldwide engineering in gas for national and international institutions and customers inpublic or private markets. Sofregaz is part of Maire Tecnimont, a leading Engineering and Main Contracting Group operating worldwide in the Oil, Gas and Petrochemicals, Power, Infrastructure and Civil Engineering sectors.


Stork B.V. is a Dutch manufacturing and services company with headquarters in Utrecht. Stork Technical Services is a supplier of integrated technical services for installations and machines in the industrial market. In december 2015 Stork Technical Services was sold. The buyer American engineering and construction company Fluor, paid 695 million euro.


Strabag is a Austrian construction company based in Villach, with its headquarters in Vienna. It is the largest construction company in Austria andone of the largest construction companies in Europe. The company is active inits home markets Austria and Germany and in all countries of Eastern and South-East Europe, in selected markets in Western Europe, on the Arabian Peninsula, as well as in Canada, Chile, China and India. In these markets STRABAG has subsidiaries or operates on a project-basis.

Stroytransgaz (OAO)

Stroytransgaz (OAO) is a Russian engineering construction company in the field of oil and gas industry. The company was founded in 1990 and it was originally a subsidiary of Gazprom. The company is involved in the engineering and construction of pipeline systems, oil and gas production facilities, underground gas storages, power stations, as well as civil and industrial structures and facilities.


Techint is a Italian conglomerate multinational company founded in Milan in September 1945 by Italian industrialist Agostino Rocca and headquartered in Milan (Italy) and Buenos Aires (Argentina). Techint comprises more than 100 companies operating worldwide in the following areas of business.. Engineering and Construction, Steel, Oil and Gas, Industrial Plants, Healthcare. Techint, with its subsidiaries, is the largest steel making company in Latin America, (fifth in the Americas). Techint is the world's largest manufacturer of seamless steel tubes, mainly used in the oil industry.


Technip is a provider of project management, engineering, and construction services for the oil and gas industry, headquartered in Paris, France. The company designs and builds high-technology industrial installations, such as subsea equipment and platforms, and onshore mega-complexes for the oil, gas and petrochemical sectors.

Técnicas Reunidas, S.A.

Técnicas Reunidas, S.A. is a Spanish-based general contractor which provides engineering, procurement and construction of industrial and power generation plants, particularly in the oil and gas sector.


Tekfen is a Turkish conglomerate based in Istanbul. Tekfen has many subsidiaries engaged in a diverse range of construction activities including power generation, airports, petroleum, and roadways. Tekfen primarily operates in Turkey, the Commonwealth of Independent States, Middle East, North Africa, and Europe.

Toyo Engineering

Toyo Engineering Corporation is an engineering, procurement and construction company serving mainly the hydrocarbons (oil and natural gas) and petrochemical sectors worldwide.


Vinci is a French concessions and construction company. It employs over 179,000 people and is the largest construction company in the world by revenue. Vinci is listed at Euronext's Paris stock exchange and is a member of the CAC 40index. Its head office is in Rueil-Malmaison.

Voith GmbH

Voith GmbH which is headquartered in Germany, is a family-run corporation in the mechanical engineering sector with worldwide operations. Founded in 1867, Voith employs almost 40,000 people, generates € 5.6 billion in sales, operates in about 50 countries around the world and is today one of the biggest family-owned companies in Europe.

Willbros Group

Willbros Group, Inc. is a global engineering and contractor company based in Houston, Texas, US. The company operates in the field of energy infrastructure services. Willbros provides engineering, procurement and construction, such as refinery turnarounds, pipeline construction, pipeline integrity management, GIS consulting and other specialty services.


wood. with 40,000 professionals, across 60 countries, is one of the world’s leading consulting and engineering companies operating across Energy and the Built Environment. wood. is headquartered in Aberdeen, Scotland, United Kingdom.

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