October 18 (SeeNews) - State-owned power producer Elektroprivreda Srbije (EPS) was the most profitable company in Serbia in 2023, followed by the Serbian unit of China's Zijin Mining Group, oil and gas group NIS, controlled by Russia's Gazprom, state-owned Telekom Srbija and Serbia Zijin Copper, the government's Agency for Business Registers (APR) said.