Ergoline a brand of JK North America is a division of JK Products & Services with U.S. Headquarters in Jonesboro Arkansas, together with parent company JK-Holding, located in Windhagen, Germany. JK has been the industry leading manufacturer of premium commercial indoor tanning equipment for over 30 years, representing a family of brands including Ergoline, Sun Angel, Beauty Angel and Soltron. JK, often referred to by those loyal to the brand simply as Ergoline, has been offering unparalleled quality and design since inception.