Heuliez Bus has developed many types of public transport vehicles and gained the recognition of Mercedes-Benz O305 (rigid) and O305G (articulated) with other front and rear, badged as Heuliez.

In 1982 the company started to build the GX 17, a minibus based on the Renault Master.

Ten of these buses were built in 1989 for Bordeaux which was used until the tram system opened in 2004.

[2] In 1991, Renault and Volvo each acquired a 37.5% shareholding in Heuliez Bus.

In France, buses produced by the company have the marques "Heuliez Bus"; elsewhere they are known as "Irisbus".