[1] However, during the 1990s most of the company business collapsed, due to the war in Yugoslavia, lack of investing in research and sanctions the country was facing.

During the 2000s, the company manufactured acoustic equipment, electronic tubes including cathode-ray tubes, printed plates, electronic machine elements, hydraulics, pneumatics, appliances, air-conditioners, medical equipment, roentgen machines, TV sets, radio receivers, and semiconductors.

[2] Elektronska Industrija Niš works in partnership with other European companies, such as Alcatel (telephony), Honeywell, Bull, Silicon graphics (computers), Sagem, Siemens, Hellige, or even ITT or Philips.

At that time, EI had plants in Nis, Belgrade, Svrljig, Žitoraža, Aleksinac, Đevđelia (Macedonia), Serbia (Croatia), about 50 factories with 28,000 workers and an annual gross product of about 700 million dollars.

The club peaked in the early 80s when it reached the UEFA Cup semifinals after already being near very top in the Yugoslav league for few year.Ei managed to develop full spectrum of electronics production, but it was mostly know in the market by loudspeakers, amplifiers, sound systems, computers, electric meters, washing machines, dishwashers, ordinary irons, televisions, telephones, telephone exchanges.