Casper Balloon Roundup Sponsors — 2011 Since 2005, the Central Wyoming Balloon Festival has grown to be a large, annual event. Our success comes from the great support of our local community and business who have stepped in to help bring a FREE event to our community! Interested in becoming a sponsor? There are many choices to choose from and we are always open to customizing a sponsor package just for your business! See our sponsor packet here Presenting Sponsors         Major Sponsors           Balloon Sponsors         In Kind Sponsors