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

Colas SA is a Construction and Infrastructure company and works on laying roads, railway tracks and it is Transport Infrastructure company. It has three main business segments they are roads, materials and railways. It consolidated annual revenue totaled 13.7 billion euros and having 57,000 employees as per 2019. The company undertakes about 72,000 projects every year via a network of 800 construction units and 3,000 material production and recycling sites in some fifty countries worldwide on five continents. The headquarters is in France.

Parent company of Colas SA is Bouygues.

Hannon Armstrong Sustainable Infrastructure Capital is a Public company solely dedicated to investments in climate solutions. It provides capital to leading companies in energy efficiency, renewable energy and other sustainable infrastructure markets. The headquarters is in USA.

Conglomerate company with businesses in Railway operating, Bus operating, Construction, Hotels, Travel services, Rent Taxi services and many more.

Headquarters is in Tokyo, Japan.

CCR is a Infrastructure Concession company. It has more than 15 thousand employees. The company is recognized in the domestic and international markets by its successful history and continuous adoption of the most stringent corporate governance rules that direct its operations comprising the compliance program and company compliance. The headquarters is in Brazil.

MYR Group is a national electrical contractor specializing in transmission and distribution, substation and commercial and industrial construction company. The headquarters is in USA.

Marex Group Limited is a Financial Service company.
Headquarters is in UK.

Atlas Arteria is an Australian public company. It has portfolio of four toll roads in France, Germany and the United States. The company focused on ensuring customers and the communities in which operate are well served by the transport links provide. The headquarters is in Australia.

Airport operating company with headquarters in Austria.