As an AI language model, I do not have real-time data. However, here is a list of some of the highest-grossing casinos on the Las Vegas Strip, although the rankings may vary from year to year:
1. The Venetian and The Palazzo
2. Wynn Las Vegas and Encore
3. Bellagio
4. Caesars Palace
5. The Cosmopolitan of Las Vegas
6. Aria Resort and Casino
7. MGM Grand Las Vegas
8. The Mirage
9. Mandalay Bay Resort and Casino
10. The Palms Casino Resort
Please note that this list is not based on the most recent data and may not accurately represent the current standings. It is recommended to refer to reliable sources or consult up-to-date reports for the most accurate information.