CARE members include Shaw Industries, Mohawk, Solutia, BP Amoco, DuPont, and Honeywell.
NATK's subsidiary TieTek, Inc. manufactures TieTek composite railroad ties from a mixture of recycled raw materials. TieTek has already been successful in utilizing recycled tires, plastic buckets, bottles, film and other recycleable materials. The CARE grant is for TieTek, Inc. research and development efforts into the use of recycled carpet as one of the raw materials in the production of the composite railroad ties.