• American Slate Company

• Apexstone Amoy Marble & Granite

• Avid India Marbles & Granites

• Buechel Stone Corp.

• Camara Slate Products

• China Alishan Stone Co., Ltd.

• China GHY Stone Carvings

• Chinagranite.US

• Echeguren Slate, Inc.

• Exotic Granite & Marble, Inc

• Greenstone Slate Company

• Hilltop Slate Inc.

• International Slate

• NA BOCKER

• North Country Slate

• Sati Granites Pvt Ltd.

• Stone Panels, Inc.

• StonePly

• StoneSheets

• Structural Slate Company

• Sumati Exports

• Trade International, Inc.

• Vamshi Exports

• Vermont Structural Slate Company, Inc.