| Rank | Name | Market Cap | Price | Today | Price (30 days) | Country | |
|---|---|---|---|---|---|---|---|
 | 1 |  | S$51.47 B | S$343.19 | 0.43% | 🇪🇸 Spain | |
| 2 |  | S$16.04 B | S$158.59 | 0.47% | 🇫🇷 France | |
| 3 |  | S$15.76 B | S$1.10 | 1.75% | 🇹🇭 Thailand | |
| 4 |  | S$15.16 B | S$285.77 | 0.68% | 🇲🇽 Mexico | |
| 5 |  | S$14.04 B | S$5.65 | 0.72% | 🇨🇳 China | |
| 6 |  | S$13.01 B | S$1.23 | 0.01% | 🇮🇳 India | |
| 7 |  | S$12.30 B | S$393.21 | 1.33% | 🇲🇽 Mexico | |
| 8 |  | S$10.95 B | S$356.71 | 0.80% | 🇨🇭 Switzerland | |
| 9 |  | S$10.47 B | S$6.16 | 0.14% | 🇳🇿 New Zealand | |
| 10 |  | S$10.26 B | S$1,308 | 0.30% | 🇩🇰 Denmark | |
| 11 |  | S$8.26 B | S$89.42 | 0.66% | 🇩🇪 Germany | |
| 12 |  | S$6.76 B | S$80.70 | 0.37% | 🇦🇹 Austria | |
| 13 |  | S$6.55 B | S$128.80 | 1.65% | 🇲🇽 Mexico | |
| 14 |  | S$4.34 B | S$14.48 | 2.97% | 🇬🇷 Greece | |
| 15 |  | S$4.06 B | S$25.20 | 1.87% | 🇱🇺 Luxembourg | |
| 16 |  | S$3.56 B | S$38.38 | 0.42% | 🇯🇵 Japan | |
| 17 |  | S$2.66 B | S$7.33 | 3.05% | 🇹🇷 Turkey | |
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| 18 |  | S$2.12 B | S$0.47 | 0.00% | 🇨🇳 China | |
| 19 |  | S$0.45 B | S$12.59 | 0.24% | 🇮🇹 Italy | |
| 20 |  | S$0.44 B | S$23.80 | 0.63% | 🇮🇹 Italy | |
This is the list of the largest airport operating companies by market capitalization. Only the top airport operating companies are shown in this list and airport companies that are not publicly traded are excluded. The ranking and the market cap data shown on this page are updated daily.