Italy has been a global icon in engineering and construction from ancient Roman aqueducts to cutting-edge smart cities. Today, the construction sector in Italy is not only preserving its rich legacy but also building the future through smart infrastructure, green energy, and innovative partnerships. 

According to Blackridge Research’s Italy construction projects database, the Italian construction market is projected to hit EUR 111.64 billion by 2025, growing at 2.6% annually. The largest construction companies in Italy include Saipem, Webuild, Maire Tecnimont, Bonatti, ASTM, SICIM, and Impresa Pizzarotti & C. 

Whether you're an investor, contractor, or simply exploring the sector, this guide to the top construction companies in Italy offers insight into the key construction companies driving innovation and economic growth in one of Europe’s most strategically evolving markets.

List of Top 7 Italian Construction Companies Based on Latest Revenue

Saipem SpA.

Saipem is an Italian engineering and construction company that dominates the oil and gas construction market. Founded in 1957, the company is headquartered in Milan, Italy, and has a global presence with operations in over 70 countries. Saipem used to be a subsidiary of the Italian energy company Eni.

Saipem operates in several business segments, including offshore engineering and construction, onshore engineering and construction, drilling services, and floating production storage units. Offshore engineering and construction together form the largest segment of its construction activity and revenue.

One of the company's strengths is its expertise in the design and construction of offshore oil and gas platforms, pipelines, and subsea infrastructure. Saipem, one of the largest Italian companies in construction, also has a proven track record of executing large, complex projects in challenging environments, such as deepwater and arctic regions.

The company faces competition from other engineering and construction firms, particularly from Asia, which can offer lower costs due to their lower labor costs.

To address these challenges, Saipem has been focusing on diversifying its business into renewable energy and infrastructure projects. The company has been actively pursuing contracts in offshore wind and geothermal energy projects, as well as infrastructure projects such as ports, highways, and airports.

In March 2025, Saipem and Divento, a consortium of energy and infrastructure firms, signed an agreement to apply Saipem’s STAR 1 floating wind technology to the 7 Seas Med and Ichnusa Wind Power projects in Sicily and Sardinia. This collaboration aims to strengthen their bids in Italy’s upcoming Fer2 auctions. The initiative supports the development of floating wind power in the Mediterranean region.

Webuild SpA

Webuild (formerly known as Salini Impregilo) is an Italian engineering and construction company that specializes in large-scale infrastructure projects. The company was founded in 2014 through the merger of Salini and Impregilo, two companies with a long history of engineering and construction expertise.

One of the top construction companies in Italy operates in several business segments, including civil engineering, infrastructure, and energy. Webuild group is well-known for its expertise in the construction of large, complex infrastructure projects such as bridges, highways, dams, and tunnels.

One of the company's strengths is its strong track record of executing large-scale projects on time and within budget. The company has completed many high-profile projects, including the Panama Canal expansion, the Genoa Bridge in Italy, and the Riyadh Metro in Saudi Arabia.

Webuild, one of the biggest in the list of construction companies in Italy, also has a global presence, with operations in over 50 countries. The company's international operations account for a significant portion of its revenue and have a strong reputation for adapting to local market conditions and regulations.

In April 2025, the first section of the Naples-Bari high-speed railway was developed with Webuild leading the construction for RFI. Two kilometers of track have already been laid on the Naples-Cancello segment, and the Casalnuovo tunnel is progressing with the use of an innovative hyperbaric excavation technique. One of the largest railway tunnel construction projects in Italy is continuing in challenging groundwater conditions.

Maire Tecnimont SpA

Maire Tecnimont is an Italian-based engineering and technology company that provides various services related to the energy and infrastructure sectors. The company is listed on the Milan Stock Exchange and operates globally, with a presence in more than 40 countries.

Maire Tecnimont operates through two main business segments, Engineering & Construction (E&C) and Technology & Licensing (T&L). The E&C segment involves designing, engineering, and constructing industrial plants and infrastructure for various industries, such as oil and gas, petrochemicals, and renewable energy. The T&L segment provides proprietary technologies and licenses them to clients in the same industries.

The top construction company in Italy, Maire Tecnimont, operates in several geographical locations, including Europe, the Middle East, Africa, and Asia Pacific. The company has a robust market presence in the energy and infrastructure sectors, which are poised for significant growth in the coming years.

Additionally, the company has developed a strong network of partnerships and joint ventures with local firms in several countries, allowing it to leverage local expertise and expand its business.

Maire Tecnimont has adopted a strategic direction focused on expanding its business in the energy transition sector, with a focus on renewable energy and circular economy solutions. The company has already made significant progress in this direction, with several projects in the solar and wind power sectors. The company has also adopted a sustainable business approach, with a strong emphasis on environmental, social, and governance (ESG) factors in its operations.

Maire Tecnimont faces competition from other global engineering and technology firms, such as TechnipFMC, Fluor, and Saipem. However, the company's strong market presence in the energy and infrastructure sectors, along with its focus on renewable energy projects around the world, provides it with a competitive advantage in the evolving market.

ASTM S.p. A.

ASTM group operates in various sectors such as motorway management, infrastructure engineering and construction, and transport and mobility technology. Their business model integrates diverse competencies that cover all operations and the entire value chain of the infrastructure sector. 

With concessions in Italy, Brazil (through EcoRodovias), and the UK, the Group is the second largest toll road operator in the world with approximately 6,200 km of road management.

Large infrastructure design and construction work is carried out through SINA, the Group's engineering company, and ITINERA, a global player in the construction of transport infrastructure and civil construction projects. ITINERA also operates in the United States market through Halmar International. 

In the technology sector, the Group is present through SINELEC, a company specializing in the design, construction, and management of advanced security, info-mobility, toll collection systems, and ITS.

ASTM is subject to the Management and Coordination of Nuova Argo Finanziaria, a holding company controlled by Aurelia - Gavio Group, and Ardian, a private investment company.

SICIM S.p. A.

Sicim SpA is an Italian company that provides engineering, procurement, and construction (EPC) services for the oil and gas industry, as well as for power generation and infrastructure projects. The company was founded in 1962 and has since expanded its operations globally, with a presence in Europe, Africa, the Middle East, Asia, and the Americas.

The company has a proven track record of delivering complex projects on time and within budget, which has helped it establish long-term partnerships and contracts with major clients such as Eni, Shell, and BP. Sicim SpA's expertise spans the entire value chain, from feasibility studies and design to construction and commissioning.

The company has developed advanced solutions to optimize the efficiency and sustainability of its projects. For example, Sicim SpA has implemented digital technologies to improve project management and reduce costs, as well as renewable energy solutions to reduce the environmental impact of its operations.

Bonatti S.p. A.

Bonatti is an Italian EPC company that has established itself as a global player in the oil and gas industry. The company's strengths lie in its expertise in the energy sector, strong financial position, and international presence. However, Bonatti is also vulnerable to market risks due to its dependence on the oil and gas industry and limited diversification.

To address these risks, Bonatti could explore opportunities in the renewable energy sector and infrastructure development. These opportunities align with the growing demand for clean energy and infrastructure development in emerging economies. By expanding into these areas, Bonatti could leverage its expertise in the energy industry and diversify its revenue streams.

The company has developed cutting-edge new technology and solutions to optimize the efficiency and sustainability of its projects. For example, Bonatti International has developed a modular approach to construction, which allows for faster and more efficient installation of pipelines and plants. The company also emphasizes sustainability in its operations, implementing measures to reduce carbon emissions and environmental impact.

Impresa Pizzarotti & C. S.p.A.

Impresa Pizzarotti & C. SpA is an Italian construction company that has been in operation for over 100 years. The company provides a range of services, including civil engineering, building construction, and infrastructure development. The company has completed various projects in Italy and internationally, such as the construction of airports, highways, bridges, and other infrastructure.

The EPC general contractor has a long history of successful projects and has established a reputation for high-quality workmanship. The company's experience and expertise allow it to take on complex projects and complete them within budget and on time.

In 1996, Impresa Pizzarotti & C. SpA became one of the first Italian construction companies to obtain quality system certification, which now adheres to the UNI EN ISO 9001/2008 standard. Since 2005, this quality system has been combined with environmental and work safety management. The company has achieved conformance certification for both the "environmental management system and organization" UNI EN ISO 14001/2004 standard and the "health and safety management system and organization OHSAS 18001/2007 standard."

Through Protos SOA SpA, the company worked to renew its qualification for public works execution according to law DPR 34/2000. This allows the company to design and construct works up to VIII grade classification, with an unlimited amount, across 26 different categories, 19 of which have an unlimited amount, including both general and specialized works.

Some Other Notable Top 10 Construction Companies in Italy

1. Terna

2. Eni

3. Prysmian Group

4. Italcementi

5. Salini Impregilo

6. Astaldi

7. Ghella

8. Rizzani de Eccher

9. GLF S.p.A.

10. Salcef group S.p.A.

Italian Construction Market: Current Landscape, Growth Trends & Economic Impact

The Italian construction sector stands at a crucial intersection of opportunity and challenge. The market is projected to reach EUR 111.64 billion (approximately USD 120.57 billion) in 2025, the sector shows 2.6% annual growth from 2024, according to Blackridge Research’s Italy construction projects database.

However, this surface-level optimism is met with deeper structural concerns. There are concerns of a 6.7% contraction of the Italian construction market in real terms by 2025, followed by a 7% decline in 2026, triggered by:

• A drop in building permits signals fewer new project launches.

• Rising public debt, putting pressure on government infrastructure spending.

• A weakening residential market, further impacted by the phase-out of the Superbonus scheme, which had offered a generous 110% tax credit for energy-efficient renovations. 

Long-Term Growth Outlook

Despite short-term headwinds, the long-term growth trajectory remains positive. The market is expected to grow at a CAGR of over 4.5% between 2025 and 2030, reaching USD 354.32 billion by 2030. Several key drivers support this optimistic outlook:

• EU Recovery and Resilience Facility (RRF): Italy has secured USD 230 billion in EU funding, supplemented by USD 37 billion from the Italian government, forming part of a historic USD 299 billion stimulus package launched in 2021.
  
   

• Infrastructure Spending: Strategic allocations include USD 32 billion for transportation, EUR 10.8 billion for social infrastructure, and EUR 4.2 billion for regional development.
  
   

• Urbanization & Housing Demand: Initiatives like the Urban Renaissance Plan and targeted support for earthquake-affected zones are driving both residential and commercial projects.
  
   

• Sustainability and Green Building: Eco-friendly construction is gaining traction, driven by incentives for energy efficiency, sustainable materials, and carbon reduction.

Economic Contribution & Challenges

The construction sector is a key engine of employment and development, but its GDP contribution is lower than that of other major European economies like France, Germany, and the UK. Nevertheless, it remains ahead of markets like Switzerland, the Netherlands, and Greece.

Economic Contributions:

• Job Creation: Supports thousands of professionals, including architects, engineers, and skilled labor.

• Infrastructure Growth: The construction industry in Italy drives improvements in mobility, energy, and connectivity through international joint venture.

• Regional Revitalization: Investments in urban regeneration and seismic recovery uplift local economies.
  
   

Key Challenges:

• High Inflation Reduces construction project affordability and profitability.

• Tight Credit Conditions: Lending to the sector shrank from EUR 52 billion in 2007 to EUR 15 billion in 2022.

• Bureaucratic Hurdles: Regulatory inefficiencies delay project approvals and execution.

Want a Detailed Company Profile?

Are you looking for in-depth insights into the profile, financials, portfolio of projects, and operations expertise of a construction company in Italy? Get in touch with us today.

Stay Updated on the Latest Construction Projects in Italy!

Subscribe to Blackridge’s Italy Construction Projects Database and get access to:

• Reliable and high-quality insights

• Upcoming, in-progress, and completed construction

• EPC projects 

• Essential details on key stakeholder contact information

• Timely updates

Start a free demo to unlock new business opportunities!

Italy Construction Industry: 2025 FAQs

What is the largest construction company in Italy?

Saipem S.p.A. is the largest construction company in Italy, generating EUR 14.5 billion in terms of revenue.

What is the main rail company in Italy?

Ferrovie dello Stato Italiane (FS Group)

• Operations:

  • Trenitalia: Manages 85% of passenger trains (incl. Frecciarossa)

  • Italo: Private competitor (NTV) on high-speed routes

• 2025 Expansion: EUR 58 billion investment in:

  • High-speed rail (Turin-Lyon "TELT")

  • Metro upgrades (Rome Line C completion)

What is the construction GDP of Italy?

• 2025 Value: EUR 108 billion (7.1% of total GDP)

• Sector Breakdown:

  • Residential: 38%

  • Infrastructure: 33%

  • Non-residential: 29%

• Comparison: Larger than Spain’s (EUR 89 billion) but smaller than France’s (EUR 142 billion)

Construction equipment manufacturers in Italy

• Caterpillar

• Komatsu

• Volvo Construction Equipment

• Hitachi Construction Machinery

• Liebherr

• JCB