Usually, dishwashers work in restaurants. However, they also tend to work in other food service establishments, such as with caterers, in hotels, and in hospitals. On top of these, some of the best-paying places for dishwashers include colleges and universities, office buildings, and religious organizations. Before applying for a job as a dishwasher, make sure to research the different types of establishments to see which one is the best fit for you. Sometimes, the size of the establishment makes a big difference in the job duties and responsibilities.