Dura Undercushions, Ltd.
Acoustic Underlayment For Laminate Floors and Engineered Hardwood Floors, enhancing underfoot comfort. Resists mold, mildew and fungus growth. Conceals minor subfloor irregularities, reduces impact sound and always lays flat. Works extremely well over radiant heated floors.

ECORE International (formerly Dodge-Regupol)
ECOsurfaces Commercial Flooring. Converters of scrap rubber into finished products. Recent developments include Vibration Insulation, Impact Underlayment, ECOsilence™ and ECOromp™.

Homasote Co.
Makers of structural, noise-deadening sub-floor/insulating carpet underlayment and sound protection systems that work with virtually any flooring system, from carpet to concrete.

U.S.Gypsum Company
Fiberlock Underlayment Panels manufactured from a unique combination of gypsum and cellulose that provides superior strength with no need for face paper. Water resistant. Resistance to abrasion, indentation and penetration. 95% recycled content. Free of resins, adhesives, solvents and dyes. Base for ceramic tile, resilient flooring, carpeting, and hardwood floors.