Kostak D.d. (Slovenia)

Kostak D.d. is a communal and construction company located in Krsko, Slovenia. With over 60 years of tradition, it is the largest company in the field of communal activities in Slovenia and the leading construction company in the Posavina region. Since its establishment in 1954, the company has been providing clean drinking water and has expanded its activities to include construction and waste removal. In recent years, Kostak has focused on expanding its marketing activities, particularly in the construction, waste processing, maintenance, cleaning, and other sectors. These marketing activities now account for more than 80 percent of the company's revenues. The remaining 20 percent comes from commercial public services provided in the municipalities of Krsko and Kostanjevica na Krka. Kostak currently employs over 400 people, making it one of the largest employers in the region. The company operates in accordance with quality management standards (ISO 9001), environmental management system standards (ISO 14001), safety and health at work principles (OHSAS 18001), and energy standards (ISO 50001). The company's mission is to provide users with the best utility service at acceptable prices and improve the quality of life for all citizens. They aim to develop comprehensive and high-quality solutions and provide clients with excellent services in all areas of operation. Kostak also emphasizes sustainability, environmental culture, social acceptability, and responsible behavior for a clean and healthy environment. The vision of Kostak is to create a business environment characterized by trust, cooperation, connection, and openness towards customers, employees, owners, and the wider community.