Not sure how far you are willing to travel but Elais is in Townsend MA. Lou (the owner) is a great guy to deal with. I had my lift done there and am very happy with the work. I don't know for sure if he does gears but it doesn't hurt to call.
2014 - Auto - 4.10 - Teraflex 2 1/2 lift - JCR Vanguard bumpers - Warn M8000s - Rock Hard skids - Ace rock sliders - Spod - KC/Rigid lights - Duratracs - Rugged Ridge Spartacus HD Tire Carrier