Ardennes Sprl.
Quarries and fabricates Belgian natural abrasive stones for sharpening and removing the wire edge from blades used for cutting.
Boride Engineered Abrasives
Manufactures abrasive stones for industrial applications including mold and die polishing, conditioning diamond wheels and glass grinding.
DeepMaya Engineering
Manufactures and exports honing stones and products from India.
Stick & Stones Unlimited Inc.
Produces sharpening stones, honing and dressing sticks, and oil stones.