Nazar werd opgericht in 1957 en was gevestigd in Zaragoza. Nazar maakte vooral vrachtwagens met laadvermogens tussen de 1.5 en de 9 ton. Voor de lichtere modellen gebruikte het bedrijf de motoren van het merk Perkins en voor de zwaardere modellen gebruikte het motoren van het merk Henschel. Nazar werd in 1967 overgenomen door Barreiros.
Us Factories Naples was founded in 1958 in Naples workshops Avila Street (later Avenue de Madrid). Later that adapted to meet increased demand in the Madrid road, km factory was built.315. Factory left in this most vehicles under the direction of Vincenzo Angelino .
Nazar was devoted ten years to the assembly of vehicles, building chassis and bodies.
For freight wagons built two and five seats, as well as mixed metal vans, vans for a current load of 1,500 kilos. Besides trucks manufactured from three to nine tons for both normal loading and tilting, specializing in those between 160 and 220 hp. Even contruyó a special model suitable for towing 20,000 kilos ten tons.
Notable among all models Super 7 with the following features: Gearbox Six-speed plus reverse, engine type Diesel Perkins 6.305 with six linear cylinders, metal cab, panoramic glass securit seats for driver and helper, part berth later, in four spacious convertible seats.
For passenger service was manufactured for regular and normal urban bus lines and excursion coaches. Highlighted some models prepared as autopullman (standard and deluxe) from 14 to 50 seats. In this specialty built an extraordinary model: The first bus manufactured in Spain with heated pool and large panoramic windscreen, it called Blue Bird .
The bus Nazar showed good construction and comfort circulating many years without significant damage.
The story continues in the company Hispano Carrocera dedicated to the bodywork of buses and coaches, a great success and importance in the international market.