Maison Blanche Dael Coffee Roasters & Tea Packers: Maison Blanche Dael is the artisinal high-end coffee roaster and tea packer, based in the city centre of Maastricht. Maison Blanche Dael is founded by Guillaume Dael in 1878 and named after his youngest daughter Blanche. Currently, the company is a fourth generation family owned company, active in the provinces Limburg & Brabant in the Netherlands and Belgium. Maison Blanche Dael is known for roasting only the highest quality of arabica coffee beans & selecting premium tea from around the world. In 2000, the current owner founded Coffeelovers, a local chain of espressobars, which contains of 9 locations in the Southern Netherlands.