| Rank | Name | Market Cap | Price | Today | Price (30 days) | Country | |
|---|---|---|---|---|---|---|---|
 | 1 |  | HK$1.208 T | HK$586.98 | 1.27% | 🇺🇸 USA | |
| 2 |  | HK$928.59 B | HK$146.97 | 0.46% | 🇪🇸 Spain | |
| 3 |  | HK$819.00 B | HK$33.47 | 1.42% | 🇨🇳 China | |
| 4 |  | HK$809.97 B | HK$7.22 | 0.30% | 🇦🇪 UAE | |
| 5 |  | HK$780.24 B | HK$709.19 | 0.01% | 🇺🇸 USA | |
| 6 |  | HK$735.09 B | HK$72.39 | 0.54% | 🇮🇹 Italy | |
| 7 |  | HK$730.38 B | HK$2,330 | 1.16% | 🇺🇸 USA | |
| 8 |  | HK$712.96 B | HK$917.28 | 0.36% | 🇺🇸 USA | |
| 9 |  | HK$559.50 B | HK$570.73 | 0.15% | 🇬🇧 UK | |
| 10 |  | HK$437.49 B | HK$180.25 | 1.27% | 🇫🇷 France | |
| 11 |  | HK$385.69 B | HK$526.78 | 1.41% | 🇸🇦 S. Arabia | |
| 12 |  | HK$371.57 B | HK$435.72 | 0.72% | 🇺🇸 USA | |
| 13 |  | HK$366.97 B | HK$140.44 | 0.29% | 🇩🇪 Germany | |
| 14 |  | HK$306.13 B | HK$530.78 | 1.28% | 🇺🇸 USA | |
| 15 |  | HK$293.57 B | HK$30.28 | 0.52% | 🇮🇳 India | |
| 16 |  | HK$291.72 B | HK$5.83 | 0.00% | 🇦🇪 UAE | |
| 17 |  | HK$287.52 B | HK$644.20 | 1.46% | 🇺🇸 USA | |
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| 18 |  | HK$263.30 B | HK$825.05 | 1.25% | 🇺🇸 USA | |
| 19 |  | HK$260.06 B | HK$246.86 | 0.29% | 🇪🇸 Spain | |
| 20 |  | HK$230.89 B | HK$240.33 | 0.30% | 🇪🇸 Spain | |
| 21 |  | HK$220.25 B | HK$1,061 | 0.60% | 🇺🇸 USA | |
| 22 |  | HK$219.90 B | HK$625.78 | 5.67% | 🇦🇹 Austria | |
| 23 |  | HK$216.50 B | HK$1,110 | 0.08% | 🇺🇸 USA | |
| 24 |  | HK$212.76 B | HK$193.49 | 0.08% | 🇬🇧 UK | |
| 25 |  | HK$190.74 B | HK$1,201 | 0.97% | 🇺🇸 USA | |
| 26 |  | HK$189.61 B | HK$378.03 | 0.35% | 🇨🇦 Canada | |
| 27 |  | HK$188.04 B | HK$511.86 | 0.90% | 🇺🇸 USA | |
| 28 |  | HK$170.60 B | HK$284.45 | 0.24% | 🇨🇦 Canada | |
| 29 |  | HK$165.60 B | HK$553.62 | 0.40% | 🇺🇸 USA | |
| 30 |  | HK$155.56 B | HK$106.75 | 8.02% | 🇲🇾 Malaysia | |
| 31 |  | HK$146.01 B | HK$310.21 | 0.98% | 🇺🇸 USA | |
| 32 |  | HK$145.93 B | HK$379.28 | 4.07% | 🇺🇸 USA | |
| 33 |  | HK$136.81 B | HK$32.81 | 0.75% | 🇵🇹 Portugal | |
| 34 |  | HK$132.22 B | HK$58.56 | 0.00% | 🇧🇷 Brazil | |
| 35 |  | HK$123.15 B | HK$479.44 | 0.73% | 🇺🇸 USA | |
| 36 |  | HK$122.78 B | HK$533.64 | 0.08% | 🇺🇸 USA | |
| 37 |  | HK$115.75 B | HK$36.23 | 1.11% | 🇮🇳 India | |
| 38 |  | HK$114.75 B | HK$17.45 | 0.44% | 🇮🇳 India | |
| 39 |  | HK$109.53 B | HK$51.40 | 0.69% | 🇭🇰 Hong Kong | |
| 40 |  | HK$100.71 B | HK$58.46 | 6.22% | 🇦🇺 Australia | |
| 41 |  | HK$99.03 B | HK$88.89 | 1.84% | 🇯🇵 Japan | |
| 42 |  | HK$90.55 B | HK$86.16 | 2.31% | 🇪🇸 Spain | |
| 43 |  | HK$88.05 B | HK$1,669 | 0.46% | 🇨🇭 Switzerland | |
| 44 |  | HK$86.71 B | HK$288.36 | 0.84% | 🇬🇧 UK | |
| 45 |  | HK$86.13 B | HK$18.37 | 1.22% | 🇮🇹 Italy | |
| 46 |  | HK$85.35 B | HK$17.70 | 0.45% | 🇬🇧 UK | |
| 47 |  | HK$84.72 B | HK$124.25 | 0.51% | 🇬🇧 UK | |
| 48 |  | HK$84.32 B | HK$706.21 | 0.80% | 🇺🇸 USA | |
| 49 |  | HK$83.72 B | HK$298.67 | 0.81% | 🇺🇸 USA | |
| 50 |  | HK$81.04 B | HK$0.76 | 0.17% | 🇨🇱 Chile | |
| 51 |  | HK$78.23 B | HK$198.00 | 0.89% | 🇯🇵 Japan | |
| 52 |  | HK$73.18 B | HK$27.98 | 2.05% | 🇳🇿 New Zealand | |
| 53 |  | HK$70.17 B | HK$92.93 | 1.70% | 🇯🇵 Japan | |
| 54 |  | HK$70.02 B | HK$347.81 | 0.74% | 🇺🇸 USA | |
| 55 |  | HK$67.34 B | HK$21.41 | 0.90% | 🇮🇹 Italy | |
| 56 |  | HK$66.18 B | HK$33.00 | 1.33% | 🇲🇾 Malaysia | |
| 57 |  | HK$66.10 B | HK$57.37 | 0.30% | 🇧🇷 Brazil | |
| 58 |  | HK$66.08 B | HK$60.09 | 2.07% | 🇮🇳 India | |
| 59 |  | HK$65.01 B | HK$128.97 | 1.08% | 🇮🇳 India | |
| 60 |  | HK$64.53 B | HK$51.56 | 0.36% | 🇧🇷 Brazil | |
| 61 |  | HK$60.93 B | HK$284.15 | 1.07% | 🇺🇸 USA | |
| 62 |  | HK$56.92 B | HK$39.18 | 0.37% | 🇮🇹 Italy | |
| 63 |  | HK$54.80 B | HK$63.17 | 1.09% | 🇮🇹 Italy | |
| 64 |  | HK$49.88 B | HK$70.10 | 0.45% | 🇧🇷 Brazil | |
| 65 |  | HK$48.31 B | HK$894.44 | 1.50% | 🇺🇸 USA | |
| 66 |  | HK$46.76 B | HK$57.31 | 0.27% | 🇧🇷 Brazil | |
| 67 |  | HK$46.00 B | HK$124.97 | 0.86% | 🇬🇷 Greece | |
| 68 |  | HK$45.62 B | HK$20.34 | 10.57% | 🇵🇱 Poland | |
| 69 |  | HK$45.16 B | HK$220.09 | 0.18% | 🇨🇦 Canada | |
| 70 |  | HK$42.29 B | HK$198.62 | 0.27% | 🇮🇹 Italy | |
| 71 |  | HK$41.12 B | HK$443.81 | 0.35% | 🇺🇸 USA | |
| 72 |  | HK$39.60 B | HK$28.57 | 1.36% | 🇨🇱 Chile | |
| 73 |  | HK$38.46 B | HK$106.75 | 0.00% | 🇵🇭 Philippines | |
| 74 |  | HK$38.07 B | HK$34.61 | 1.89% | 🇶🇦 Qatar | |
| 75 |  | HK$37.75 B | HK$211.77 | 1.48% | 🇦🇹 Austria | |
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| 76 |  | HK$36.23 B | HK$53.87 | 3.94% | 🇦🇺 Australia | |
| 77 |  | HK$35.57 B | HK$569.87 | 1.81% | 🇺🇸 USA | |
| 78 |  | HK$35.21 B | HK$321.51 | 0.82% | 🇺🇸 USA | |
| 79 |  | HK$35.16 B | HK$350.32 | 0.56% | 🇺🇸 USA | |
| 80 |  | HK$34.14 B | HK$42.54 | 0.11% | 🇳🇿 New Zealand | |
| 81 |  | HK$33.83 B | HK$300.33 | 0.89% | 🇨🇦 Canada | |
| 82 |  | HK$33.47 B | HK$567.20 | 1.42% | 🇺🇸 USA | |
| 83 |  | HK$32.34 B | HK$446.08 | 1.11% | 🇺🇸 USA | |
| 84 |  | HK$32.18 B | HK$25.09 | 0.88% | 🇮🇹 Italy | |
| 85 |  | HK$31.79 B | HK$584.62 | 2.64% | 🇦🇷 Argentina | |
| 86 |  | HK$29.48 B | HK$42.84 | 1.58% | 🇮🇳 India | |
| 87 |  | HK$29.46 B | HK$508.33 | 0.63% | 🇺🇸 USA | |
| 88 |  | HK$27.12 B | HK$15.48 | 1.73% | 🇵🇱 Poland | |
| 89 |  | HK$26.90 B | HK$53.79 | 1.27% | 🇯🇵 Japan | |
| 90 |  | HK$25.81 B | HK$179.69 | 1.08% | 🇧🇷 Brazil | |
| 91 |  | HK$25.52 B | HK$609.03 | 2.19% | 🇺🇸 USA | |
| 92 |  | HK$25.39 B | HK$18.14 | 2.10% | 🇮🇳 India | |
| 93 |  | HK$25.21 B | HK$690.20 | 1.20% | 🇺🇸 USA | |
| 94 |  | HK$24.87 B | HK$405.19 | 0.86% | 🇺🇸 USA | |
| 95 |  | HK$24.47 B | HK$51.81 | 1.86% | 🇬🇧 UK | |
| 96 |  | HK$23.59 B | HK$292.86 | 1.48% | 🇺🇸 USA | |
| 97 |  | HK$22.66 B | HK$639.38 | 2.76% | 🇩🇪 Germany | |
| 98 |  | HK$21.88 B | HK$1.25 | 0.65% | 🇨🇱 Chile | |
| 99 |  | HK$21.86 B | HK$937.14 | 1.43% | 🇺🇸 USA | |
| 100 |  | HK$21.46 B | HK$85.88 | 2.73% | 🇸🇦 S. Arabia | |
This is the list of the largest utility companies by market capitalization. A public utility company or simply utility company is an organization that maintains the infrastructure for a public service. Only the top utility companies are shown in this list and utility companies that are not publicly traded are excluded. The ranking and the market cap data shown on this page are updated daily.