The economy of Timiș County is mostly based on automotive parts, telecommunications, electronics and consumer goods with large companies having production facilities in the region such as Continental AG, Dräxlmaier Group, Flextronics, Alcatel-Lucent, TRW, TT Electronics, American Superconductor, Philips, Delphi Corporation, Siemens, Smithfield Foods, Nestlé or Procter & Gamble.
[7] Constanța County represents an important part of the Romanian economy due to the Cernavodă Nuclear Power Plant which generates 18% of the total electricity output of the country[8] and the Port of Constanța, one of the largest ports in Europe, which is used for exporting and importing goods.
[13] The Galați County has an economy mostly based upon the ArcelorMittal steel mill with a capacity of 5 million tonnes and that represents 3.8% of Romania's exports.
[14] The Olt County is an important metallurgy region with the Alro Slatina company producing 288,000 tonnes of aluminium in 2008 making it the largest aluminium smelter in Central and Eastern Europe (excluding CIS).
[15] Other important manufacturing counties include Bihor,[16] Mureș,[17] Satu Mare,[18] Hunedoara,[19] Dolj, and Dâmbovița.