What brands of vodka are 100 proof?

Here are a few popular vodka brands that are 100 proof (50% alcohol by volume):

1. Reyka Vodka: Made from glacial water and distilled five times, Reyka offers both smoothness and a subtle sweetness.

2. Belvedere Vodka: Known for its exceptional smoothness, Belvedere is made from Dankowskie rye grown exclusively in Poland.

3. Chopin Potato Vodka: Crafted from sustainably grown potatoes in small batches, Chopin Vodka embodies the essence of Polish vodka excellence.

4. Tito's Handmade Vodka: Tito's is recognized for its high quality and is one of the best-selling vodkas in the United States. It's made from corn.

5. Absolut Vodka: One of the most recognizable vodka brands, Absolut is produced in Ahus, Sweden, using an innovative distillation process.

6. Grey Goose Vodka: Made with soft winter wheat from France and pristine spring water, Grey Goose is recognized for its superior taste and high standards of production.

7. Ketel One Vodka: Distilled from 100% wheat, Ketel One is known for its smooth, rich taste and traditional Dutch distilling methods.

8. Hangar One Vodka: Made from California-grown wheat and infused with flavors such as Mandarin Blossom and Black Raspberry, Hangar One is a boutique vodka brand.

9. Van Gogh Double Espresso Vodka: This popular brand combines the smoothness of vodka with the flavors of freshly brewed espresso.

10. Svedka Vodka: An affordable and widely available vodka brand, Svedka is known for its clean, fresh taste.

It's important to note that the availability of these vodkas may vary based on region and local regulations.