Shower Wall Tile: The Tile Store USA in Totowa, 24x48 polished porcelain tile.

Floor Tiles: Wayne Tile; Inside the shower is the same tile but in a 30x30 mosaic, you can see it in the same page. It's this tile here LINK

Accent Wall Tile: Floor & Decor, jet black grout LINK

Mirror: Amorho (online store) LINK

Vanity: Lowe's LINK

Toilet: Home Depot 

Faucet and shower combo: Lowe's; The brand is Delta.