Complex sentence: Bikini competitions may be organized or sponsored by companies for marketing purposes like NOPI's annual "Hot Import Nights" bikini contest, which is held in conjunction with the import car-show in Atlanta, Georgia, and the annual Hooter's bikini competition.
Split into simpler sentences: Bikini competitions may be organized or sponsored by companies for marketing purposes. NOPI runs annual "Hot Import Nights" bikini contest, which is held in conjunction with the import car-show in Atlanta, Georgia, and the annual Hooter's bikini competition.