The siting of the cement prodution operation in the northwestern town of Nyergesujfalu will be opposed by the local councils of the nearby Esztergom, Tat, Tokod, Tokod-Altarolo and Mogyorosbanya, as well as four civil organisations.
The new facility is planned to start opearating in 2010 and will employ some 280.
The deadline for the appeal is the end of November 2007 and by then the company will not comment on the case, Holcim spokesman Iren Marta said.