We list every one we know of . This nice organization doesn't accept old bikes, but its website lists eight places in Colorado that do, many in the Denver area. The Colorado Materials Exchange is sponsored by the University of Colorado Recycling Services as a statewide clearinghouse of non-hazardous surplus and durable goods. Private and public sector groups as well as citizen and non-profit organizations are encouraged to take advantage of the Colorado Materials Exchange as a means of finding low or no cost materials and minimizing waste.
Businesses make tax-deductible donations.