1. Business Over view 8
Businesses Products and Services
Gypsum United States Gypsum Company Manufactures and markets gypsum
CGC Inc. wallboard, joint treatments and tex-
USG Mexico S.A. de C.V. tures, cement board, gypsum fiber
panels, plaster, shaft wall systems
and industrial gypsum products
Ceilings USG Interiors, Inc. Manufactures and markets
USG International acoustical ceiling panels, ceiling
CGC Inc. suspension grid, specialty ceilings
and other building products
Distribution L&W Supply Corporation Specializes in delivering construc-
tion materials to job sites

2. 9
Best-Known Brand Names Geographical Areas Served Customers
SHEE TROCK gypsum panels; United States, Canada, Mexico purchasers : specialty drywall
SHEE TROCK H UMITEK gypsum pan- centers, distributors, hardware
els; SHEE TROCK joint compounds; cooperatives, buying groups,
DUROCK cement board; FIbEROCK home centers, mass merchandis-
gypsum fiber panels; SECUROCK ers; influencers : architects,
roof board; LE V ELROCK floor specifiers, building owners;
underlayment; H Y DROCA L gypsum end users : contractors, builders,
cement; IMPERIAL building plasters; do-it-yourselfers
and DIAMOND building plasters
ASTRO, ECLIPSE and R A DA R United States, Canada, Mexico purchasers : specialty acoustical
ceiling panels; DONN DX, FINELINE and more than 125 other countries centers, distributors, hardware
and CENTRICITEE ceiling grid; in all parts of the world: North, cooperatives, home centers, con-
COMPäS SO suspension trim; Central and South America, the tractors; influencers : architects,
CURVAT UR A 3-D ceiling system; Caribbean, Europe, the Middle specifiers, interior designers,
GEOME TRI X ceiling panels; East, Asia, the Pacific Rim, Africa building owners, tenants, facility
TOPO 3-dimensional system; managers; end users : contrac-
and bILLO 3-dimensional panels tors, builders, do-it-yourselfers
United States purchasers and end users :
contractors, builders
USG Corporation 2005 Annual Report