ACCCURATE PERFORATING
ACOUSTICAL SURFACES INC.
ACOUSTIGREEN (ANDERSON SPECIALTY INDUSTRIES)
ANDHRA POLYMERS
ARCOPLAST
ARMSTRONG WORLD INDUSTRIES
ART USA
BLUE RIDGE FIBERBOARD
BRITISH PLASTER BOARD PLC (COMPAGNIE DE SAINT GOBAIN
S. A.)
BYUCKSAN CORP.
CEILUME
CERTAINTEED (SAINT GOBAIN)
CHICAGO METALLIC CORP. (ROCKFON)
CORRUVEN INC.
DECOUSTICS
DICALITE MANAGEMENT GROUP
ECKAL NOISE CONTROL TECHNOLOGIES
ENTOL
EXTRUTECH PLASTICS INC.
FOAM FACTORY
FOAM N MORE
FOSHAN RON BUILDING MATERIAL TRADING CO. LTD.
HIL LIMITED (C K BIRLA GROUP)
HUNTER DOUGLAS
KNAUF
ODENWALD FASERPLATTENWERK GMBH
OWENS CORNING
ROCKFON (ROCKWOOL GROUP)
SAINT GOBAIN
SAS INTERNATIONAL LTD.
SHANDONG HUAMEI BUILDING MATERIALS CO. LTD.
SHELTER ENTERPRISES INC.
SOMERSET PLASTICS
SOUND SEAL
SYSTEM’ BUILDING PRODUCTS
TECHNO CEILING PRODUCTS
TIN CEILING EXPRESS
TITAN INTERNATIONAL INDUSTRIAL INC. LTD.
UNITED STATES GYPSUM CORP. (USG)