|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 Llisą 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.