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INFRASTRUCTURE
Overall
Largest Infrastructure Companies by Market Capitalisation
This list features the largest infrastructure companies by market capitalisation.
RANK | COMPANY | MARKET CAP | COUNTRY |
1 | Union Pacific Corporation | $165.96 billion | USA |
2 | CSX Corporation | $87.25 billion | USA |
3 | American Tower | $81.06 billion | USA |
4 | National Grid | $77.21 billion | United Kingdom |
5 | Canadian Pacific Kansas City (CPKC) | $76.90 billion | Canada |
6 | Kinder Morgan | $70.90 billion | USA |
7 | Norfolk Southern | $70.56 billion | USA |
8 | TC Energy | $64.11 billion | Canada |
9 | Sempra | $53.16 billion | USA |
10 | Aena | $44.64 billion | Spain |
References
Companies Market Cap. (n.d.). Largest infrastructure companies by market cap. Available at: www.companiesmarketcap.com/gbp/infrastructure/largest-infrastructure-companies-by-market-cap/ [Accessed 1 December 2025].
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