Does anyone have any idea about the manufacturer of this vanity?
Ronbow? Might be smaller than the ones on their site, but the style is the same.
Here is a link that might be useful: Ronbow
That's my bathroom! The two vanities are both Ronbow in the Pacific Rim collection as cat_mom correctly guessed. I purchased the vanities online about 5 years ago through kitchenbath.com
Here is a link that might be useful: Ronbow on kitchenbath.com