Industrieverband Fahrzeugbau ("Industrial Association for Vehicle Construction"), usually abbreviated as IFA, was a conglomerate and a union of companies for vehicle construction in the former East Germany. IFA produced bicycles, motorcycles, light commercial vehicles, automobiles, vans and heavy trucks. All East German vehicle manufacturers were part of the IFA, including Barkas, EMW (which made Wartburg cars), IWL, MZ, Multicar, Robur, Sachsenring (which made Trabant cars) and Simson.