The "Granite William Inc." division benefits from the expertise of its predecessors to manufacture and market a range of products from the raw cliff. The stone is selected by experts and comes from almost everywhere in the world. The beauty, durability, and maintainability of granite are the benefits that guide the consumer's behavior.

At the Sherbrooke plant, which specializes in commemerative artifacts, crafters develop, produce and cut customized monuments, mausoleums and columbariums.

The ornamental section demonstrates dynmism by offering a diversified product mix such as kitchen or bathroom counters, mantelpieces, stairs, exterior finish for buildings, floor tiles, thresholds, urban furniture, address plates, billboards and corporate signs, conference desks, kitchen and occasional tables.

Exclusivity and customized orders are very frequent for granite division.