Custom Home Building, Renovations, Additions. Pym and Cooper Custom Homes Inc. is a team of dedicated professionals that are committed to a tradition of building outstanding custom homes and renovations and cultivating valued relationships while providing unparalleled quality and craftsmanship in design and construction. At Pym and Cooper, exceeding our clients expectations is of utmost importance. We achieve this by creating an environment that fosters open, productive communication between the Pym and Cooper team, our tradespeople and the client through each step of the construction process.