• Apexstone Amoy Marble & Granite

• California Mantel, Inc

• Camara Slate Products

• Endicott Clay Products Co.

• Farmer Masonry, Inc.

• GHY STONE

• Heatilator

• Majestic Products - A Brand of Hearth & Home Technologies Inc.

• MetaStone Inc.

• Montana Monarch Stone

• New England Thinstones

• Old World Stone

• Pierrexpert Inc.

• Riverside Supply Co.

• Trinet Business Services Inc.

• Vermont Structural Slate Company, Inc.