Downeast Trading Company, Middlebury VT 800 626-5700 has a nice
selection of multi-strand cables in stainless, black, and now in a
host of very hot colors. You should also contact Chris's Cables,
Baton Rouge, LA 225 929-6964. They do multi-strand cables in a
variety of materials, including niobium. Since they make their own
cables, they are also able to do custom lengths. Both companies are
great to work with.
33 N. Market St.
Frederick, MD 21701