One Big Party Dallas: The trusted Event Rental Company in Dallas, Texas One Big Party Dallas is a leading party rental company in Dallas, Texas that has for years been offering an extensive selection of bounce houses, water slides, interactive games, event equipment, and other inflatables. Our pride is in helping make your party memorable and full of fun by providing you with the perfect solutions for your small or big event. We proudly provide services in Dallas, University Park, Highland Park, Sunnyvale, Forney, Heath, Rockwall, Rowlett... read full review »