Prestressed Systems Inc. was founded in 1975 by Valentino (Rigo) Collavino (1926 – 2012).In l950 Rigo left his hometown of Muris, Italy, for Windsor, where…
Prestressed Systems Inc. was founded in 1975 by Valentino (Rigo) Collavino (1926 – 2012).In l950 Rigo left his hometown of Muris, Italy, for Windsor, where…