• Ciputra Group
  • Ciputra World Surabaya
  • Swiss-Belhotel International
  • Dinas Kebudayaan dan Pariwisata Kota Surabaya
  • Dinas Kebudayaan dan Pariwisata Provinsi Jawa Timur
  • Indonesia Ecotourism Network (INDECON)
  • Perhimpunan Hotel dan Restoran Indonesia (PHRI)
  • Surabaya Tourism Promotion Board (STPB)
  • Ewing Marion Kauffman Foundation – USA
  • Nippon Paint Indonesia (PT. Nipsea Paint and Chemicals)
  • ASITA
  • Blue Bird
  • Leeds Met University – UK
  • Cheers Mineral Water
  • Casa Grande Association
  • Taman Impian Jaya Ancol
  • Grand City Surabaya
  • Bali Kuta Resort Hotel
  • Country Heritage Resort Hotel
  • Fave Hotel
  • Four Season Hotel Jakarta
  • Grand Nikko Bali
  • Harris Resort Kuta Beach
  • Hotel Bumi Surabaya
  • Java Paragon Hotel & Residences
  • JW Marriott Surabaya
  • Le Meridien Jakarta
  • Hotel Majapahit Surabaya
  • Midtown Hotel
  • Prime Plaza Hotel
  • Pullman Hotel Jakarta
  • TS Suites Surabaya
  • Quest Hotel Surabaya
  • Shangri-La Hotel Surabaya
  • Sheraton Hotel Surabaya
  • The Westin Resort Nusa Dua Bali