In 1995 they were joined by Frédéric Bourgeois from Sainte-Marie-Salomé, and for the first time they performed outside the province of Quebec, at the Northern Lights Festival Boréal in Sudbury, Ontario.
Réjean Brunet was added to the lineup in 1996, and for a year the Castors were the official musicians of a traditional Lanaudière dance ensemble, les Petits Pas Jacadiens.
The new millennium saw them performing concerts across Canada and in the United States, notably at the North American Folk Music and Dance Alliance in Cleveland, Ohio.
Their third album, VDC, recorded in Saint-Calixte, was released the same year and earned the group a nomination at the 2001 Juno Awards in the Best Roots and traditional album-group.
In 2003 their fourth album, Migration, was released and the band toured North America, Europe, and for the first time, played in Japan, Malaysia, at the Rainforest World Music Festival, Australia, at the WOMADelaide, and New Zealand.