Which of the following is NOT one of the main types of catering services?

The main types of catering services generally include on-premise, off-premise, and mobile catering. On-premise catering refers to services provided at the venue where the event is taking place, often involving the venue's kitchen and staff. Off-premise catering involves food being prepared at one location and served at another, typically requiring transportation and sometimes staff to manage the event at the site. Mobile catering is characterized by food vendors who prepare and sell food directly from a vehicle or temporary location, often at fairs, concerts, or other outdoor events.

While corporate catering is a significant segment of the catering industry, focusing on events like business meetings, banquets, and corporate functions, it does not qualify as a main type of catering service in the same way that the others do. Instead, it can be seen more as a niche market or a specific application of catering services tailored to corporate clients. Therefore, identifying corporate catering as not being among the main types aligns with the established definitions in the catering field.