Cable manufacturers?

Using all Furutech power cords and some interconnects Furutech makes all there own cables.

How do you define 'manufacture their own cable'? Almost no one draws their own wire, but plenty of manufacturers do a lot more than throw on some jacketing and terminations. There is winding and geometry, dialectrics, shielding, and plenty more. Some makers mix different conducting materials. Many have wire custom drawn for them. There are many levels and facets to manufacturing.

By manufacture, I mean their own wire