If you're here looking up Marriott customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. Marriott also goes by or is associated with the names Marriott International Inc., Marriott International. They are considered to be part of the following sectors and industries: Consumer Discretionary, Consumer Services, Hotels, Restaurants & Leisure. Marriott is associated with terms like public, travel & leisure, e-commerce, b2c by their customers and industry analysts. They are similar to companies like Hilton Hotels. They employ 199,929 people according to customers in the know.