Companies that attended HOC17: Accor UK & Ireland;  Accor Hotels Germany;  Aldau Development;  Amadeus Hospitality;  Ambigram Architects;  Aethos Consulting Group;  Aleph Hospitality;  Anita Rosato Interior Design; Arc Consulting Partners;  Artelia UK;  Avvio;  Benjamin West;  BDRC Continental;  Bespoke Hotels; Bohemia Properties;  Boutique Hotel News;  Building Services Design; Business Horsepower ltd; Buro Four;  Carlson Rezidor Hotel Group;  CAM;  CBRE Hotels;  CC Alpha Group; Cheval Residences;  Choice Hotels;  Colliers International;  Conscious Travel;  CMS Legal Services;  Dentons;  Destiny Student;  Deutsche Hospitality; Dominvs Group; Ennismore;  Fidelidade Property Europe SA;  First Hotels;  Fourth;  Gerald Eve; GLH;  Global Holdings Management;  GMG Real Estate;  Gran Hotel Santiago Del Teide;  Hamilton Hotel Partners;  Hetherley Capital Parters;  Herald Hotels;  Hilton;  HOFTEL;  Holiday Inn;  HOSPA;  Hospitality People Group;  Hotel Facility Concepts; Hotel Partner Yield Management;  Hotstats;  HVS Hodges Ward Elliot;  Il Ciocco Spa;  InterContinental Hotels Group;  Interstate Hotels and Resorts;  Jampro Trade and Investment Jamaica;  London & Regional Properties;  KPMG;  KSL Capital Partners;  Magnuson Hotels;  Malmaison Hotels and Hotel Du Vin;  Maples Teesdale;  Marriott International Hotels;  Nadler Hotels;  Nine Hospitality;  Norvo;  Paul Hastings;  PlanHotel Resorts and Hotels;  PSD Hospitality & Leisure;  Precis Management Services;  PwC UK; PwC Switzerland;  Questex;  Redefine BDL;  Remarkable Hotels UK;  ReviewPro;  Savills; Shanti Hospitality Group;  Sousou Partners;  Squire Patton Boggs; The Ability Group;  The George: Urban Boutique Hotel;   Tower Hotel Management;  Travers Smith;  Union Investment Real Estate; University of Surrey;  UpMail;  Valor Hospitality;  Wyndham Hotel Group;  YMAT Investments;  Zleep Hotels.