Planinka a.d. operates in the management of spa and wellness centers, natural water bottling, and the administration of a protected natural monument. The company operates a facility for packaging natural mineral water under the brand Prolom Voda, with production certified for export to the European Union. It manages a special rehabilitation hospital in Prolom Banja, which includes three centers: Prolom Banja, Lukovska Banja, and Kursumlijska Banja, offering health, recreational, and wellness programs, as well as hospitality and leisure services. The company is responsible for the management and maintenance of the natural monument Davolja Varos, providing visitor services such as guided tours, a restaurant, an information center, and a souvenir shop. The company serves clients in the healthcare, wellness, tourism, and hospitality sectors, as well as those involved in the packaging and distribution of natural mineral water. The company was founded in 1964 and is based in Kuršumlija, Serbia.