MetalTech Global

Metstar Building Products, Inc.

Miller Shingle Company, Inc.

National Prefinish

Natural Exteriors LLC

NBK North America

New England Slate Co. (The)

Nichiha Fiber Cement

Norandex

North Country Slate®

Northern Facades - ISOclip

Northern Roof Tiles

Novik Inc.

Nudo Products

Ondura Roofing

Owens Corning

Pabco Roofing Products, PABCO Building Product

Petersen Aluminum Corporation

Ply Gem

Porcelanosa

Portalais

Premier Forest Products - Shingle Division

Preservation

Probe Construction Products Inc.

ProVia Door

Quarrix Building Products

Rare Manufacturing Inc.

Redland Clay Tile

Revere Roofing

RHEINZINK America Inc.

Roser

Royal Group

Santafe Tile Corp.

Shakertown

Steel Tile Co.

Stoneworth Building Products

Style Crest Inc.

Swisspearl

TAMKO Building Products

Telling Architectural Systems

TerraCORE Panels

Terreal North America

Tesla

Texture Plus

The Aluminum Shingle Company

The Waldun Group

Thrush & Son

Tilcor Roofing System

Tile Roofs, Inc.

Tropical Timberwoods Inc. / Turada Hardwood Shingles

Vande Hey Raleigh

VARDANEGA.US

Varitile Inc.

Vermont Structural Slate Co. Inc.

VICWEST

Virginia Slate Co.

Visscher Lumber

Walker & Zanger Inc.

Westbrook Concrete Block

Wolf Creek Cedar

Zappone Mfg.