Give Monksville Sports a call, http://www.monksvillesportshop.com/, (973) 728-5154. I think it is the owner who does the butchering at his house, he is located about a half hour past Warwick in New Jersey, not too bad a ride. By the way, the Sports shop is a very nice Archery Pro shop with some very helpful, freindly people working there.
Check out Deserto's Deer cuttings, exit 116 off of the Quickway. I think they charge about $100 bucks to cut and pack a whole deer and provide frozen. That includes uncased ground sausage. Price can vary but thats what I would estimate. A wee bit expensive, but give em a call it may be lower.