A couple places to start are www.uschi.com (US Custom Harvestors) or www.harvestmart.com is another site. Plug "custom harvestors" into search engine, www.northernlight.com and you will find more.
hey john w, i dun the us custom harvest last year i did it from the uk with the ohio program in columbus ohio the telephone number ull need is 614 292 7720 ull have 2 check with yur phone operator for the corect dialin code, all ull need 2 ask for is michael o kifee heel help ull throgh everything u do,good luck