Denver Scrap Metal Recycling (also a Food Bank)
4920 Washington St, Denver, CO 80216
They have the best hours Monday through Saturday 8:00AM-7:30PM and Sunday 9:00AM (?) - 4:30PM non-ferrous closes 45 minutes earlier than ferrous each day.



Atlas Metal and Iron
2601 Chambers Road, Aurora, CO. 80011

Both great places to sell your scrap. Plenty more than this in Colorado but these are the ones I have used.