This industry comprises establishments primarily engaged in acting as agents in selling travel, tour, and accommodation services to the general public and commercial clients. Cross-References. Establishments primarily engaged in-- ? Arranging and assembling tours that they generally sell through travel agencies or on their own account--are classified in Industry 561520, Tour Operators; ? Providing guide services, such as archeological, museum, tourist, hunting, or fishing--are classified in Industry 713990, All Other Amusement and Recreation Industries; and ? Providing reservation services (e.g., accommodations, entertainment events, travel)--are classified in U.S. Industry 561599, All Other Travel Arrangement and Reservation Services.