The hospitality industry is a broad category of fields within the service industry that includes lodging, food and beverage service, event planning, theme parks, travel agency, tourism, hotels, restaurants and bars.
According to the Cambridge Business English Dictionary the "hospitality industry" consists of hotels and food service, equivalent to NAICS code 72, "Accommodation and Food Service".
In 2020, the United States Department of Labor Standard Industrial Classification (SIC) defines the hospitality industry more broadly, including:
701 Hotels and Motels, including auto courts, bed and breakfast inns, cabins and cottages, casino hotels, hostels, hotels (except residential ones), inns furnishing food and lodging, motels, recreational hotels, resort hotels, seasonal hotels, ski lodges and resorts, tourist cabins and tourist courts
704 Organization Hotels and Lodging Houses, On a Membership Basis
58 Eating and Drinking Places (cf. U.S. "food service industry", U.K. "catering industry")
5812 Eating Places, including restaurants (among which carry-out restaurants, drive-in restaurants and fast food restaurants), automats, beaneries, box lunch stands, buffets, cafés, cafeterias, caterers, coffee shops, commissary restaurants a.k.a. canteens, concession stands, prepared food (e.g., in airports and sports arenas), contract feeding, dairy bars, diners, dining rooms, dinner theaters, food bars, frozen custard stands, grills, hamburger stands, hot dog stands, ice cream stands, industrial feeding, institutional food service such as that aboard airplanes, railroads, and ships), lunch bars, lunch counters, luncheonettes, lunchrooms, oyster bars, pizza parlors and pizzerias, refreshment stands, sandwich bars or shops, snack shops, soda fountains, soft drink stands, submarine sandwich shops, and tearooms. Sources other than the SIC also mention other formats of eating places such as cyber cafés, ramen shops a.k.a. noodle bars, and sushi bars.