Affordable Building Systems LLC
InStar™ Acoustical Ceiling System is a load bearing, trafficable product produced from solid compressed wheat straw core. Finished with a variety of finishes. Recycled steel frame system with powdercoat paint system. Appropriate for theaters, stadiums, sports facilities, airports and high security buildings.

BPB Celotex
Ceiling tiles such as Protectone™, Safetone™ and Hytone™ Mineral Ceiling Products made from recycled content slag wool (up to 90%) and cellulose (about 20%). Other ingredients include clay, starch and perlite. LEED eligible.

Chicago Metallic Corp.
Eurostone - all environmental ceiling panels. Environmentally safe and recyclable. Contains no man made mineral fibers. Volcanic perlite, stands up to moisture, won't burn or give off toxic smoke, will not support mold, mildew or micro-organisms.

U.S.Gypsum Co.
Ceiling panel products are 25% to 95% recycled content from post-consumer waste paper, cornstarch, slag and gypsum. In some processes, corn and wheat starch are used as binders. LEED eligible.