Provia manufactures and sell building products, including vinyl siding, doors and windows.


Maibec is a leading Canadian manufacturer of genuine wood siding. We are also the largest manufacturer of Eastern white cedar shingles in North America


The Pella Corporation is a privately held window and door manufacturing company headquartered in Pella, Iowa, and with manufacturing and sales operations in a number of locations in the United States.


Uponor Corporation manufacturers and sells plumbing and indoor climate systems for the residential and commercial building markets.