Nao-Glass was the builder of the Puma line of sailboats. It was a division of INERGA, a manufacturer of plastics for a number of different industries. The yard was located at Llisà del Vall, Barcelona, Spain.
In 1978 it was purchased (or superceeded) by Drassanes Esportives S.A (DRESPORT), builder of Furia Yachts.
Thanks to John Lynch-Cummins for providing updated information.

Years in Business: 1959 - 1978