| Società | Prezzo | | Variaz. | Variaz. 1 gen. | Capi. (M $) | Poids |
 | QUANTA SERVICES | 152.72 |  | 0.19% | 7.17% | 21 824 | 5.08% |
 | ONEOK, INC.. | 68.445 |  | 0.36% | 3.81% | 30 482 | 4.48% |
 | CAPITAL POWER CORPORATI.. | 43.59 |  | -0.46% | -5.91% | 3 790 | 4.1% |
 | WESTSHORE TERMINALS INV.. | 24.9 |  | -0.40% | 11.01% | 1 160 | 3.97% |
 | TRANSALTA CORPORATION | 12.38 |  | -0.24% | 2.23% | 2 485 | 3.78% |
 | GIBSON ENERGY INC. | 23.6 |  | 0.13% | -0.17% | 2 527 | 3.76% |
 | STANTEC INC. | 70.99 |  | -0.29% | 9.42% | 5 849 | 3.66% |
 | NRG ENERGY, INC | 34.68 |  | 0.73% | 8.20% | 7 990 | 3.61% |
 | OGE ENERGY CORP. | 38.96 |  | 0.41% | -1.49% | 7 800 | 3.34% |