Companies

• MR&D LLC

• MacDermot Studio

• Martin Specialty Coatings

• Metal Sales & Service, Inc. (Metalwerks)

• MetroCast Corp.

• NCI Building Systems, Inc.

• NEI Advanced Composite Technology (NEI, Inc.)

• National Partitions & Interiors, Inc.

• Omega Products International, Inc.

• Ondura Corporation

• Permatherm

• PolySteel Sales & Support of New York

• Premier Building Systems

• RHEINZINK GmbH & Co. KG

• Rheinzink America Inc.

• Rheinzink Canada Ltd.

• Sci-Tech Building Systems LLC

• Shelter Systems Corp.

• Smith-Midland Corporation

• Star Building Systems

• Stone Panels, Inc.

• StonePly

• StoneSheets

• Structural Slate Company

• Surebond

• Thermomass