Crystal Window & Door Systems posts sales increase

Crystal Window & Door Systems, Flushing, N.Y., reported an increase in sales for its fiscal year ending April 30, 2011, despite the challenging economic climate, according to a May 16 release. Annual revenues from aluminum and vinyl windows and doors, and high-end fenestration systems, for the 12-month period increased 13 percentover the previous year. Sales in the New York metro area contributed the most towards the growth, with the New England and Midwest regions also contributing to a lesser degree, according to the release.