En del af tidligere referencer med Hospitality systemer installeret af PRODS eksperter:
Hotel Føroyar, 2007-2016 (Færøerne)
Hotel Hafnia, 2015-2017-2018 (Færøerne)
Park Inn Malmø 2012-2016 (Sverige)
Copenhagen Plaza (Profil Copenhagen Plaza hotel), 2015
Ansgar CPH Hotel, 2006 og 2013
Ascot Hotel, 2006
Hotel Des Nordens, 2005, (Tyskland)
Best Western Hotel Europa i Aabenraa, 2005 & 2015
Best Western Plus Hotel Kronjylland, 2004 & 2012
Danish Crown Sønderborg, 2005
DFDS Dana Serina Esbjerg, 2004
Hejse Kro 2006 & 2010
Marselis Hotel *Helnan Marselis*, 2006
Hilton Copenhagen *Clarion Copenhagen*, 2011-2015
Hotel Antvorskov, 2006
Hotel Dania Silkeborg, 2009
Hotel Legoland & Legoland Village, 2014
Hotel Royal Århus, 2014
Hotel Saga, 2014
Hotel Skt. Annæ *Hotel Neptun*, 2011
Hotel Torshavn, 2007 (Færøerne)
Hotel Union *Comfort Hotel Europa* 2006
Kurhotel Skodsborg, 2006
Lalandia Rødby, 2005
Myhregaarden Stavanger Hotel, 2013 (Norge)
Schæffergården, 2006
Sørup Herregaard, 2005-2018
Best Western the Mayor Hotel *Scandic Århus Plaza*, 2005-2010
Quality Airport Dan Hotel, 2004
First Hotel Atlantic *Comfort Hotel Atlantic*, 2006
Clarion Hotel Copenhagen *Scandic Sluseholmen*, 2008
Hotel Esplanaden, 2004-2008
First Hotel Europa *Scandic Aalborg City*, 2008
First Hotel Exelsior *Comfort Hotel Exelsior* 2004
First Hotel Høje-Tåstrup *Quality Hotel Høje Tåstrup* 2006-2009
First Hotel Marina *Quality Hotel Marina*, 2005
First Hotel Mayfair *Clarion Collection Hotel Mayfair* 2005
First Hotel Twenty-seven *Clarion Collection Hotel 27* 2006
Hotel Østerport (Comfort Hotel Copenhagen), 2005
Park Inn Copenhagen Airport, 2007-2009
Park Inn Malmø, 2011-2016 (Sverige)
Radisson Blu Falconer *Scandic Falconer*, 2011
Radisson Blu Royal, 2006-2017
Scandic Bygholm Park i Horsens, 2007-2010
Scandic Copenhagen, 2004-2012
Scandic Eremitage, 2005-2009
Scandic Front, 2009
Scandic Glostrup, 2005
Scandic Hvidovre, 2005-2011
Scandic Jacob Gade Vejle, 2009
Scandic Kolding, 2005-2011
Scandic Konges Ege Randers, 2005
Scandic Odense, 2005
Scandic Olympic Esbjerg, 2007
Scandic Regina Herning, 2005
Scandic Ringsted, 2005
Scandic Roskilde, 2005
Scandic Silkeborg, 2005-2008
Scandic Sydhavnen, 2007-2011
Scandic Sønderborg *Quality Hotel Sønderborg*, 2007
Scandic The Reef *Scandic Frederikshavn*, 2007
Scandic Webers, 2006
Scandic Aalborg, 2004
Scandic Århus V, 2005-2007
Scandic Star Lund, 2005 (Sverige)