World Top 100 Infrastructure Companies List by Market Cap as of August 2026

Verisign ensures the security, stability and resiliency of key Internet infrastructure and services, including the authoritative directory of all .com, .net, .tv, .cc and .name top-level domains and the back-end registry for a portfolio of generic top-level domains. Headquarters is in USA.

As on 2022, Verisign has 5,600 employees.

Verisign annual revenue generated for period ending Dec-2022 was 2,065 million USD.

Verisign annual net income generated for period ending Dec-2022 was 523 million USD.

Mastec is a Infrastructure Construction company. The headquarters is in USA.

The Company’s activities include the building, installation, maintenance and upgrade of energy, communication and utility infrastructure, including but not limited to: electrical utility transmission and distribution, wind farms, solar farms, other renewable energy, natural gas and petroleum pipeline infrastructure, wireless, wireline, satellite communication, industrial infrastructure and water and sewer systems.

Terna is Electricity Transmission Company with headquarters is in Rome, Italy.

SK HOLDINGS is Conglomerate company with business segments Chemicals, Energy, Telecom, Construction, Shipping, Infrastructure, Semiconductors and many more. Headquarters is in South Korea.

SK Holdings Co. Ltd was renamed to SK Inc. in March-2021.

SNAM is a energy infrastructure company. And also specializes in the construction and integrated management of natural gas infrastructure. The company is also one of the main continental operators in ragas fiction for a total pro quota capacity of approximately 8.5 billion cubic meter per year. The headquarters is in Italy.

FTAI Aviation Ltd. is a High Quality Infrastructure and Equipment that is Essential for the Transportation of Goods and People Globally. It has currently invests across four market sectors they are aviation, energy, intermodal transport and rail. The headquarters is in USA.

BOUYGUES SA is an industrial group. The company is mainly about real estate development, media, telecommunications, construction, energy and services. The company offers electricity, produces and distributes water, office projects, commercial, oil and gas contracting services, and develops residential. The headquarters is in France.

CK Infrastructure Holdings Limited is a global infrastructure company that aims to make the world a better place through a variety of infrastructure investments and developments in different parts of the world. Headquarters is in Hong Kong.

Building Materials and Solutions Developing and Manufacturing Company with headquarters is in Ireland. It is the global leader in high performance insulation and building envelope solutions. Improving building performance, construction methods and ultimately people's lives. They have 13,000 plus employees as on 2019 and they operate across 70 plus countries.