• ABC Supply Co., Inc.

• ADVANTAGE Buildings & Exteriors

• Bayer Stone, Inc.

• Buechel Stone Corp.

• CEP Claddings Inc.

• CEP Panels, Inc.

• Cold Spring Granite Company Inc.

• Exterior Technologies Group, Inc.

• Fletcher Granite Company, Inc.

• Greenstone Slate Company

• Hercubond Architectural Exteriors

• Ink Smith Inc.

• Ludowici Roof Tile

• New England Stone Industries

• Pohl Inc. of America

• Polycor Inc.

• PreFast

• Rock of Ages Corporation

• Sci-Tech Building Systems LLC

• Stone Panels, Inc.

• StonePly

• StoneSheets

• Thin Stone Systems, Inc.

• US Century, L.L.C.

• Vetter Stone Company