- Adam's Mark Hotels
- Allegro All Inclusive Resorts
- Aston Hotels & Resorts
- Bermuda's Reservation Services
- Best Western International
- Budget Inns
- Camino Real Hotels & Resorts
- Canadian Pacific Hotels
- Castle Group
- Choice Hotels International
- Clarion Hotels
- Club Med
- Coast Hotels
- Comfort Inns
- Continental Plaza Hotels & Resorts
- Country Inns & Suites by Carlson
- Courtyard by Marriott
- Days Inn
- Destination Resorts Hawaii
- Divi Resorts
- Doubletree Hotels
- Econo Lodges
- Embassy Suites
- Fairfield by Marriott
- Fairmont Hotels
- Flag International
- Forte & Meridien Hotels
- Four Seasons Hotels & Resorts
- Friendship Inns
- Golden Tulip Hotels Worldwide
- Greek Hotel Reservations Center
- Hampton Inn
- Harley Hotels
- Harrahs Entertainment
- Helmsley Hotels
- Hilton Hotels
- Holiday Inns
- Homewood Suites
- Howard Johnson
- Hyatt Hotels
- Inter-Continental Hotels & Resorts
- ITT Sheraton
- Jolly Hotels
- Kempinski Hotels
- Krystal Hotels of Mexico
- La Quinta Motor Inns
- Leading Hotels of the World
- Lexington Services
- Loews Hotels
- Mandarin Oriental Hotel Group
- Marc Resorts Hawaii
- Marriott Hotels & Resorts
- Meridien Hotels
- Motel 6
- New Otani
- Nikko Hotels International
- Novotel
- Omni Resorts
- Outrigger Hotels & Resorts
- Palace Resorts Outrigger Hotels & Resorts
- Palace Resorts
- Pan Pacific Hotels & Resorts
- Park International
- Plaza Las Glorias Hotels & Villas
- Preferred Hotels & Resorts
- Prince Hotels
- Princess Hotels International
- Quality Inns
- Radisson Hotels International
- Ramada Inns
- Red Roof Inns
- Renaissance Hotels
- Residence Inn by Marriott
- Ritz-Carlton
- Rodeway Inns International
- Sandals Resorts
- Sarova Hotels
- Savoy Group
- Sheraton
- Shilo Inns
- Signature Inns
- Sofitel North America
- Sol Melia
- Sonesta Hotels
- Summerfield Suites
- Super 8 Motels
- Superclubs
- Swissotel
- Thistle Hotels & Mount Charlotte Hotels
- Travelodge Hotels
- Utell International
- Vagabond Inns
- Walt Disney World Resort
- Warwick International
- Westin Hotels & Resorts
- World Hotels & Resorts
- Wyndham Hotels & Resorts
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