We are a privately held company in Chilliwack, BC.

Diamond Sea-Glaze Manufacturing Ltd. (DSG) has been a custom manufacturer of windows, doors, hatches and custom glass for over 30 years. Our product innovations have focused on the marine and heavy equipment industries, with custom applications driven by our customer's unique needs. Our core business is to design and manufacture closures. Our primary focus is to service our customers' needs with sound technical support and a high quality product.Since our inception in the 1970's, then called Dia...

Diamond Sea-Glaze Manufacturing Ltd. (DSG) has been a custom manufacturer of windows, doors, hatches and custom glass for over 30 years. Our product innovations have focused on the marine and heavy equipment industries, with custom applications driven by our customer's unique needs. Our core business is to design and manufacture closures. Our primary focus is to service our customers' needs with sound technical support and a high quality product.Since our inception in the 1970's, then called Diamond Glass and Aluminium Products , DSG has been expanding its product range and manufacturing capacity to meet customer demands in multiple industries. To facilitate our growth, in 1999 Diamond moved into a new, purpose built production facility. Since then we have incorporated our own powder and wet paint facility (2003), our own machine shop (2003) as well as our own flat glass tempering line (2004).In early 2004 we added an additional 35,000 ft to our production facility to bring us to 80,0