• Progresco Company

    2271 N. Lake Avenue, Altadena, California, USA,91003-0441

    Progresco is a sole proprietorship here in America fullyowning all its tooling, patents and trademarks.  Itsubcontracts all the manufacturing of B-LOK(R) drawstringclosures to two local large injection molders that betweenthem have over 100 ...