Crystal Window & Door Systems of Flushing, N.Y. marks its 20th Anniversary this month. The firm produces energy-efficient aluminum and vinyl windows and fenestration systems, many of which achieve ARRA Stimulus tax credit performance levels.

Started by Thomas Chen, Crystal’s president and owner, in May 1990 with ten employees, the company has experienced phenomenal growth in the past two decades. The company says it now has sales of approximately $60 million, produces approximately 700,000 units annually and employs nearly 600 throughout the United States and overseas in its family of companies. Crystal distributes products in 35 states, and operates product showrooms in Pennsylvania, Missouri, Ohio and Connecticut.

“It’s been great to come to the United States and build a successful American business,” said president Thomas Chen. “I want to thank the dedicated Crystal employees whose entrepreneurial spirit and drive have enabled the company to reach far and wide.”

Harold Kaye, senior vice president of business development, added, “Our customers are equally responsible for our success, and Crystal is very grateful for their loyalty and support.” Crystal plans many activities with customers and employees during the year to celebrate this milestone anniversary.