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Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two segments: electric and underground utility and infrastructure.

Vinci is one of the world’s largest owners of transport infrastructure. Its concession assets include 4,400 kilometers of toll roads in France and 72 airports across 14 countries, making Vinci the world’s largest airport operator in terms of managed passenger numbers. The concession’s business contributes less than one fifth of group revenue but the majority of operating profit. Vinci’s contracting business provides a broad variety of energy and and construction services. France contributes 42% of group revenue.

CRH is a global manufacturer of a range of building products used in construction projects, operating via a vertically integrated business model. The past decade has seen CRH transform into a leading building materials business, with increasing exposure to upstream building activities such as aggregates and cement. CRH’s geographic footprint is mostly across developed markets. North America is CRH’s largest market and accounts for 75% of EBITDA. The company is the largest producer of aggregates and asphalt in the US.

Comfort Systems USA Inc provides comprehensive mechanical contracting services, including heating, ventilation, & air conditioning, or HVAC; plumbing; piping & controls; construction; and other electrical components. Projects are mainly for commercial, industrial, & institutional buildings, & tend to be geared toward HVAC. Revenue is roughly split between installation services for newly constructed facilities & maintenance services for existing buildings. The company installs & repairs products and systems throughout the United States. It operates in two segments, Mechanical services & Electrical services, the majority is from the Mechanical services segment.

Larsen & Toubro Ltd is a technology, engineering, manufacturing, and financial services conglomerate operating globally. It enters into contracts to construct various facilities, develop solutions for offshore and onshore hydrocarbon projects, serve power plants, build ships, and perform other engineering projects. Its integrated capabilities help customers throughout the entire value chain, from design to delivering a project. The company's operating segments are: Infrastructure projects, Energy projects, Hi-Tech Manufacturing, IT & Technology services, Financial services, Development projects, and other segments. A majority of its revenue is generated from the Infrastructure projects segment. Geographically, the group generates maximum revenue from its operations in India.

Ferrovial is a global transportation infrastructure investor, developer, and operator, with a strong presence in North American toll roads. In recent years, it shifted its portfolio toward North America and India, and lowered its exposure to Europe (including selling its stake in Heathrow Airport). The jewels in its crown include its stake in the 99-year lease to operate the Highway 407 ETR toll road in Toronto and its concession to develop and operate New Terminal One at JFK until 2060.

Samsung C&T Corp is a diversified company. It is engaged in construction, trading, fashion, resort, food & beverages, and biopharmaceutical operations. The Construction division handles domestic and overseas construction projects, the Trading division engages in trading activities, and the Fashion division imports and sells apparel. The Resort division operates Everland, Caribbean Bay, and golf courses, while the Food and Beverages division manages specialty catering and food distribution through Samsung Welstory. The Bio division carries out biopharmaceutical contract manufacturing and biosimilar-related business.

Hochtief AG develops and constructs building and infrastructure projects. It works on complex projects in transportation, energy, urban infrastructure, and mining markets. It expands transportation networks with roads, bridges, and tunnels, or designs and constructs office buildings, hospitals, and power plants. The company leans on expertise and technical know-how in developing, financing, building, and operating in designated business areas. Also, it will partner with external groups to work on specific components of a project. Its regional divisions are Americas, Asia Pacific, and Europe. The Americas and the Asia Pacific account for the majority of sales and are where the company's assets are located.

Vulcan Materials is the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). Its largest markets include Texas, California, Virginia, Tennessee, Georgia, Florida, North Carolina, and Alabama. In 2024, Vulcan sold 219.9 million tons of aggregates, 13.6 million tons of asphalt mix, and 3.6 million cubic yards of ready-mix. As of Dec. 31, 2024, the company had 16.5 billion tons of aggregate reserves.

ACS Actividades de Construccion y Servicios SA completes construction and service activities for infrastructure and energy projects. In addition to infrastructure-related developments, the company constructs buildings and projects related to the mining sector. It has four operating segments: construction (majority of total revenue), Concessions, Services (which offers comprehensive maintenance services for buildings, public places and organisations) and corporate. Its services revolve around industrial engineering and operating energy, industrial, and mobility infrastructures. Additional sales are generated from aftermarket services and contracts to perform upkeep on existing structures. Approximately half of total revenue derives from the Americas.

Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin’s magnesia specialties business produces magnesia-based chemical products and dolomitic lime.

EMCOR Group Inc is a specialty contractor in the United States and a provider of electrical and mechanical construction and facilities services, building services, and industrial services. Its services are provided to a broad range of commercial, technology, manufacturing, industrial, healthcare, utility, and institutional customers through approximately 100 operating subsidiaries. The company's operating subsidiaries are organized into reportable segments: United States mechanical construction and facilities services, which derives key revenue; United States electrical construction and facilities services; United States building services; United States industrial services; and United Kingdom building services. Geographically, its key revenue is derived from the United States.

Epiroc is a global manufacturer of niche equipment and services used by mining and infrastructure customers. The company’s products include hard rock drilling equipment and excavation technologies for underground and surface mining, as well as servicing and spare parts. Approximately 69% of group sales are from the aftermarket, which includes services and the sale of spare parts and consumables. Epiroc was spun out of Atlas Copco and listed as a stand-alone company on Nasdaq Stockholm in 2018.

MasTec is a leading infrastructure construction company operating mainly in North America across a range of industries. Its primary activities include engineering, building, installing, maintaining, and upgrading communications, oil and gas, utility, renewable energy, and other infrastructure. MasTec reports its results under five segments: communications; clean energy and infrastructure; oil and gas; power delivery; and other.

China State Construction Engineering Corp Ltd is a construction and real estate conglomerate. The company conducts its operations through five segments: Housing Construction segment, Infrastructure Construction and Investment segment, Real Estate Development and Investment segment, Design & Survey segment, and Others segment. It derives the majority of its revenue from the Housing Construction segment. The company's services include product technology research and development, survey and design, real estate development, engineering contracting, equipment manufacturing, asset operation, and property management.

Sany Heavy Industry Co Ltd is a construction machinery manufacturer in China. Its products range from concrete and crane machinery to excavators, road construction, piling machinery, and others. The company operates its businesses through seven segments: Concrete Machinery, Excavator Machinery, Hoisting Machinery, Piling Machinery, Road Machinery, Financial Services, and Others. It generates the majority of its revenue from the Excavator Machinery segment, which engages in research, development, manufacture, and sale of excavator machinery products.

Sterling Infrastructure Inc is a construction company that specializes in heavy civil infrastructure construction and infrastructure rehabilitation as well as residential construction projects. The company operates in three reportable segments namely, Transportation Solutions, E-Infrastructure Solutions, and Building Solution. Transportation Solutions include highways, roads, bridges, airfields, ports, light rail, and others. Building Solution projects include concrete foundations for single-family homes. E-Infrastructure Solutions include the services which are provided to large, blue-chip companies in the e-commerce, data center, distribution center, and warehousing, energy, mixed-use, and multi-family sectors. The majority of the revenue is generated from E-Infrastructure Solutions.

Bouygues is a family-controlled French conglomerate that comprises a disparate range of assets: construction businesses, a TV network, and a telecom network. It is one of the largest construction companies in France and Europe, with over EUR 45 billion in revenue across the four engineering, procurement, and construction businesses under its ownership, as well as one of the four telecom operators in France.

China Tower Corp Ltd is a telecommunications tower infrastructure service provider. The Company is principally engaged in the construction, maintenance, and operation of base station ancillary facilities such as telecommunications towers, public network coverage in high-speed railways and subways, and large-scale indoor Distributed Antenna Systems (DAS). The business of the company includes Tower business; DAS business; Smart Tower business and Energy business. The Group’s revenue is generated from the Three TSPs.

APi Group Corp operates in two segments: Safety Services segment includes providing safety services in North America, Asia Pacific, and Europe, focusing on end-to-end integrated occupancy systems (fire protection solutions, Heating, Ventilation, and Air Conditioning and entry systems), including design, installation, inspection, and service of these integrated systems. These services are provided in commercial, education, healthcare, high tech, industrial, and special-hazard settings. Specialty Services segment includes providing a variety of infrastructure services and specialized industrial plant services, which include maintenance and repair of critical infrastructure such as underground electric, gas, water, sewer, and telecommunications infrastructure.

Cemex SAB de CV is a ready-mix concrete company that mainly engaged in activities that are oriented to the construction industry, mainly through the production, marketing, sale, and distribution of cement, ready-mix concrete, aggregates, urbanization solutions, and other construction materials and also provide related services and reliable construction-related services to customers and communities and maintain business relationships in more than 60 countries throughout the world. The company operates in different parts of the world, with operations in Mexico, the United States, the EMEA region and the SCA&C region.

Kajima Corp provides civil engineering and project management for multiple industries. It works in multiple phases, from planning and development to maintenance and renovation. The company constructs skyscrapers, power plants, office buildings, and other large structures. It enters into contracts to complete construction work at the designated site and add the necessary improvements. The company has five reportable segments: civil engineering, building business, real estate development, and other domestic subsidiaries, and overseas subsidiaries. The company utilizes research and development for all segments and allows engineers to receive training and enhance expertise through various programs. Japan accounts for the majority of the total revenue.

Acciona SA is an engineering and construction firm providing sustainable solutions for infrastructure and renewable energy projects across the world. It works in various phases, from design and construction to operations and maintenance. The company operates two business divisions energy and infrastructure. The infrastructure division encompasses construction, water treatment, industrial, and service business lines. Projects may be granted under concessions from governments or acquired independently when Acciona identifies an opportunity. Energy developments focus on renewable technologies and primarily revolve around wind, solar, hydro, and biomass. The company has a presence on five continents and utilizes an organizational structure to ensure availability.

WSP Global Inc provides a professional services consulting firm offering technical expertise and advice to clients in the Transportation & Infrastructure, Earth & Environment, Property & Buildings, and Power & Energy sectors. The company also offers specialized services in project and program delivery and advisory services. The firm operates through four reportable segments namely, Canada, Americas ( United States and Latin America), EMEIA (Europe, Middle East, India and Africa), and APAC (Asia Pacific, comprising Australia, New Zealand and Asia).

Jacobs Solutions is a global provider of engineering, design, procurement, construction, and maintenance services as well as cyber engineering and security solutions. The firm serves industrial, commercial, and government clients in a wide variety of sectors, including water, transportation, healthcare, technology, and chemicals. Jacobs Solutions employs approximately 60,000 workers. The company generated $12 billion in revenue in fiscal 2025.

CG Power & Industrial Solutions Ltd is an India-based company engaged in providing products, services, and solutions to utilities, industries, and consumers for the management and application of sustainable electrical energy. It has two reportable business segments: Industrial Systems, which derives key revenue, and Power Systems. The Power Systems segment includes products and services from ultra-high-voltage, high voltage, medium voltage and low voltage like transformer, switchgear, and turnkey projects; and the Industrial Systems segment, includes rotating machines of power and ratings, automated AC, DC, and frequency drives and control systems like electric motors, alternators, drives, traction electronics, and SCADA. Geographically, it derives key revenue from the domestic market.

China Railway Group Ltd is a construction conglomerate company. The company's operating segment includes Infrastructure construction; Survey, design and consulting services; Engineering equipment and component manufacturing; Property development, and Other businesses. It generates maximum revenue from the Infrastructure construction segment. The Infrastructure construction segment includes the construction of railways, highways, bridges, tunnels, metropolitan railways (including subways and light railways), buildings, irrigation works, hydroelectricity projects, ports, docks, airports, and other municipal works.

Eiffage is a leading French infrastructure concessions operator and construction business. It operates four business lines: construction, infrastructure, energy, and concessions. Its concession assets include 2,635 kilometers of toll roads (88% of which belong to APRR and AREA), two airports, and numerous public/private partnerships in France. The concessions segment accounts for 16% of group revenue but generates 66% of group adjusted EBIT. Eiffage’s contracting division currently benefits from a record backlog, providing good visibility on sales growth and margin expansion.

Obayashi Corp is a Japan-based company mainly engaged in construction and real estate business. The company operates through five segments. The Domestic Architecture segment undertakes construction work in Japan, while the Domestic Civil Engineering segment handles civil engineering projects within the country. The Overseas Architecture and Overseas Civil Engineering segments are involved in construction and civil engineering projects abroad. The Real Estate segment focuses on development activities, including real estate sales, leasing, and residential land development. The Others segment is engaged in PFI projects, renewable energy, rug business, and financial services. It generates the majority of its revenue from the Domestic Architecture segment.

Doosan Corp. is a South Korean company engaged in heavy industries, machinery manufacturing and others through its subsidiaries. The company generates the majority of its revenue from three subsidies: Doosan Infracore, or DI; Doosan Heavy Industries & Construction, or DHC; and Doosan Engineering & Construction, or DEC. DI, which is partially owned by Doosan Corp., is engaged in manufacturing and selling of internal combustion engines, construction machinery, and others. DHC, another company partially owned by Doosan Corp., is engaged in supplying generating units, casting, forging, and other businesses. DEC, whose majority stake is owned by Doosan Corp., is engaged in apartment building constructions. The company generates most of its sales from Asia, the U.S., and Europe.

Dycom Industries Inc is a provider of specialty contracting services to the telecommunications infrastructure and utility industries throughout the United States. Its operating companies supply telecommunications providers with a comprehensive portfolio of specialty services, including program management; planning; engineering and design; aerial, underground, and wireless construction; maintenance; and fulfillment services and provide underground facility locating services for various utilities, including telecommunications providers, and others. It also provides a range of construction, maintenance, and installation services, including the placement and splicing of fiber, copper, and coaxial cables. It provides services throughout the United States.

IES Holdings Inc owns and manages subsidiaries that design and installs integrated electrical and technology systems and provide infrastructure products and services. It has four business segments; Communications, Residential, Infrastructure Solutions, and Commercial & Industrial. The majority of the revenue for the company is generated from its Residential segment in which the company provides electrical installation services for single-family housing and multi-family apartment complexes, as well as heating, ventilation, and air conditioning (HVAC) and plumbing installation services. This segment also provides services for installing residential solar power, both for new construction and existing residences.

Samsung Heavy Industries Co Ltd is a South Korean-based shipbuilding and construction company. The company has two reportable segments: Shipbuilding Offshore and Energy Infrastructure Solution. The Shipbuilding Offshore segment derives revenue from LNG ships, container ships, FLNG and related products, serving mainly overseas ship owners. The Energy Infrastructure Solution segment is involved in civil engineering, architecture and related infrastructure products, with the majority of customers including construction companies. It generates the majority of its revenue from the Shipbuilding Offshore segment.

China Communications Construction Co Ltd is a engineering and construction company providing construction solutions and services. The company's segment includes Construction; Design; Dredging and others. It generates maximum revenue from the Construction segment. The Construction segment includes infrastructure construction of ports, roads, bridges and railways, municipal and environmental engineering, and others.

Power Construction Corporation of China Ltd is engaged in engineering contracting, power investment and operation, equipment manufacturing and leasing, and real estate development.

STRABAG SE is a technology group for construction services. Its services contribute to multiple stages of the construction process, from planning to execution and demolition. The company coordinates people, materials, and machinery to complete construction projects in an efficient manner. It has four operating segments: North and West; South and East; International and Special divisions; and Other. It builds large transportation infrastructure, plants, commercial and industrial facilities, and other large structures related to industrial development. Some projects are granted through concessions from regional governments. The company generates revenue in Germany, Austria, the Rest of Europe, and the Rest of world.

Enka Insaat Ve Sanayi AS provides a full range of design, engineering, construction, and project management services in various sectors. It creates power plants, production facilities, transportation systems, and other construction projects. If needed, the company will engineer and fabricate structures for installation and modularization. Enka Insaat Ve Sanayi has four operating segments: construction contracts; rental, trade and manufacturing; and energy (the majority of total revenue). Additional revenue is generated from aftermarket support and services, and the company utilizes a mix of traditional engineering disciplines to produce results. The company derives the majority of its revenue from Turkey, but the company does operate in various European nations.

China Railway Construction Corp Ltd operates as an infrastructure construction firm. It largely derives contracting revenue. It builds railways, highways and municipal works, such as subways and light rail systems. The company also engages in survey and design, manufacturing, logistics, and property development. It operates the following business segments: Construction, Planning & Design, manufacturing and Real Estate; and Other Business Operations. The firm's revenue gets dominated by the Construction segment that engages in the construction of infrastructure such as railways, highways, metropolitan railways, and real estate projects.

Skanska AB is one of the world's construction and project development companies. It develops properties and structures in the Nordic region, North America, and elsewhere. The company uses its skills and expertise to develop highways, bridges, mass transit, houses, and logistic centers. Skanska operates in business segments: construction, that derives majority of total revenue, residential development, Investment Properties, and commercial property development. Geographically, the company derives majority of revenue from Sweden, it also has its presence in UK, USA, Norway and Others.

Shimizu Corp is a Japan-based company mainly engaged in the construction business. The company operates through Construction, Investment and Development, Road Paving, and Others. It generates the majority of its revenue from the Construction segment. The Construction segment consolidates branches and headquarters engaged in construction activities.

Based in Montreal, AtkinsRéalis is a fully integrated professional services and project management firm that offers a wide range of services, including financing, consulting, engineering and construction, procurement, and operations and maintenance. The firm serves clients in the infrastructure, nuclear, and engineering design and project management industries. Additionally, it owns infrastructure projects through its capital segment. AtkinsRéalis generated approximately CAD 9.5 billion in sales in 2024.

SPIE SA is a European provider of multi-technical services in electrical, mechanical, and HVAC engineering and communication systems as well as specialized energy-related services. It helps its customers design, build, operate and maintain facilities that are energy-efficient and environmentally friendly. The group structures its activities around operating segments: France, North-Western Europe, Germany, Central Europe, and Global Services Energy. The majority of its revenue is derived from the France segment. It has a geographic presence in Europe, Africa, North, America, Asia-Pacific and Middle East.

TopBuild Corp is an installer and distributor of insulation products. Its operating segments involve the Installation and Specialty Distribution segment. The installation segment provides insulation installation services nationwide through contractor services business. Speciality Distribution segment distributes building and mechanical insulation, insulation accessories and other building product materials for the residential, commercial, and industrial end markets. The majority of revenue is earned from the installation segment. Its main customers are contractors. Other products include gutters, after-paint, garage doors, fireplaces, and fireproofing and stopping. TopBuild operates majorly in the United States.

Argan Inc is a United States-based construction firm that conducts operations through its wholly-owned subsidiaries, GPS, APC, TRC, and SMC. Through GPS and APC it provides a full range of engineering, procurement, construction, commissioning, maintenance, project development and technical consulting services to the power generation market, including the renewable energy sector, for a wide range of customers, including independent power project owners, public utilities, power plant heavy equipment suppliers and other commercial firms with power requirements in the U.S., Ireland and the U.K. It operates in three segments: Power Services, Industrial Services, and Telecom Services, out of which Power Services derives the majority of revenue.

Saipem SpA specializes in engineering and construction services for the oil and gas industries. The company operates through Asset Based Services, Offshore Drilling, and Energy Carriers segments. Key revenue is generated from Asset Based Services, which includes the Offshore Engineering & Construction and Offshore Wind activities. Energy Carriers segment includes the Onshore Engineering & Construction, Sustainable Infrastructures, and Robotics & Industrialized Solutions activities. Its revenue by geographical segment include Italy, Rest of Europe, CSI, Rest of Asia, etc.

Aecom is one of the largest global providers of advisory, design, and engineering services. It serves a broad spectrum of end markets including water, transportation, and environment. Based in Dallas, Aecom employs 51,000. The company generated $16.1 billion in sales in fiscal 2025.

Stantec Inc is a sustainable engineering, architecture, and environmental consulting company. It offers services through the following business operating units; Environmental Services, Infrastructure, Water, Buildings, and Energy & Resources. Maximum revenue is derived from its Infrastructure business unit, which is engaged in evaluating, planning, and designing infrastructure solutions for transportation, community development, and urban spaces. The company's reportable segments are the United States, which derives maximum revenue, Canada, and Global. These segments provide consulting in engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics services in the area of infrastructure and facilities.

Tetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.