Scole, I assume you don't litterally mean a special purpose skinning knife, you mean a hunting knife which can do whatever is needful with a deer in the field. And with that in mind I wouldn't say that there is a manufacturer that categorically makes the best hunting knives, because the "best" hunting knives depend on what fits your needs.
When you requested a knife that could clean and butcher a deer as well as work around the camp you got a couple particular models suggested in short order. For example the Cold Steel Master Hunter and the Buck Vanguard have features in common that seemed to meet your needs. They have blades in the 4 to 4.5 inch length range which is long enough to handle your butchering needs while short enough to not get in your way while working around the body cavity. They are also long enough to be handy around camp. They both have handles that provide a good grip with the blade turned either edge-down or edge-up. They both also have finger guards. The grip and guard combinations work safely when your hands are bloody or cold. Both knives have accute edge profiles that are easy to sharpen. Both come in alloys that are easy to sharpen.
There are actually a lot of interesting knives out there, but you start making some tradeoffs when you go that way. You are better off looking at the designs then at the materials as you make your choice rather than looking at brands. I like Spyderco knives a lot, but I haven't seen a design that fits my needs as a hunting knife as well as the Vanguard. Benchmade has a hunting knife that is very much like a Vanguard, but it is so extremely hollow ground that it might not be sufficiently durable for some people and the handle kind of presses into my hand uncomfortably when I grip it. For me the AG Russel Deer Hunter handle is a bit small for my hand. I have a bit of the same complaint with the Fallkniven F1.
The Outdoor Edge Kodi Skinner Drop Point is a good design:
http://www.outdooredge.com/product_detail.php?cat_ID=4&prod_ID=4
Anyway, see if you can find a large knife store and experiment with gripping various knives. If you want knives that are easy to sharpen try: AUS-8, 12C27, AUS-10, VG-10 or carbon steel blades. The tool steels, A2, D2, and M2 might frustrate you. Look for hollow ground blades for easiest sharpening.