> Home Our public works company SARL GUILLERMIN TP Père & Fils, located in Chaveyriat in Ain near Bourg-en-Bresse, carries out earthworks, landscaping, rainwater and wastewater treatment and roadworks and various networks. We also provide you with public works and transport equipment. A pioneer in environmental management on our sites, our company has specialized, since 2005, in the recovery of excess site excavation. Companies, administrations, communities, individuals: let's carry out your projects together.