Food:
Milk: Weidenhof
Gastro Supply: Transgourmet, Lubeca
Cake: Homemade with <3
Equipment:
Best Brew
Coffeedesk
Moccamaster
Acaia
Craft Coffee by Hartmud Studio
Roasting machine by Giesen Coffee Roasters
Eco-electricity and gas from Polarstern
Raw coffee traders:
Colombian Spirits - Colombia
Christine Hümer, Finca's Finest - El Salvador
Belco - Ethiopia
Inter American Coffee - Brazil, India
Mercanta Coffee Hunters - Costa Rica
OurCoffees - Brazil
Long Miles Coffee - Kenya, Burundi
Cafe Imports - Nicaragua
Rehm & Co - Honduras
As of October 2021 - Subject to change.