‎Kiviõli Keemiatööstus (KKT) is a company belonging to the Alexela Group which is mainly active in the production of shale oil and heat and electricity. The company's production facilities, established in 1922, are located in Kiviõli, Ida-Virumaa.‎

‎KKT mines oil shale in the North Kiviõli quarry and produces up to 65,000 tonnes of crude oil per year. Cogeneration covers the thermal energy needs of both the company and the city of Kiviõli. The electricity produced by the KKT is consumed in the company and transmitted to the distribution network. Together with oil shale extracted from limestone, KKT produces rubble.‎

‎KKT employs nearly 600 people, the majority of whom are residents of Kiviõli.‎