• Permaquik Corporation

• PolyMax

• Polymer Plastics Corp.

• Polymer Plastics Corp. Vitricon Div.

• RBC Industries, Inc.

• Rock-Tred Corp

• Rust-Oleum Concrete Protection Systems

• S&K Associates

• Seal Master

• Seal-Krete, Inc.

• SealGuard USA

• Sealoflex, Inc.

• Select Products Co.

• Silikal North America

• Sinak Corporation

• Sivento

• Sonneborn Building Products

• Specco Industries, Incorporated

• Specialty Resin Systems (SRS)

• Spray-Crete Industries

• St. Angelo Hardwoods, Inc.

• Steelcote Mfg. Co.

• Stellar-Mark, Inc.

• Sternson Construction Products

• Stonhard, Inc.

• Surebond