Wasco Part of VELUX Commercial Wasco, now part of VELUX Commercial, offers commercial and residential skylight designs made in the USA. Energy efficient daylighting solutions for standard and custom applications. At Wasco, we know what builders and their customers are looking for. Top quality, innovative skylight technology, wide-ranging selection, trouble-free installation, reliable long-life performance, and competitive prices on all our quality products separate Wasco from the competition. And of course, all Wasco Skylights offer plenty of daylight.