Denault & Bray is a fashion company, where Harvey Specter buys suits.
The name was seen on a business card Donna gave Mike in the "Pilot" (season 1 episode 1). Mike went to visit Denault & Bray's shop, but did not buy anything because suits were too expensive for him.
Denault is actually the last name of the show's Production Designer and Bray is the last name of the show's co-director.
- René Boches