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about us

The De Marco Difference; A legacy that dates back to 1974. A successful name within the industry. We continue to grow with our experience and accomplishments.

For over 30 years our dedication to excellence, high quality products and great customer service, has remained the same. A proudly Canadian owned and operated company. King & Co. Inc. is a leading dealer and installer of superior vinyl windows and steel and fibreglass doors.


Frequently asked questions

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