There are only three or four schools that teach WEMT (or a module to upgrade EMT-B), and none nearby NJ. However, each schools brings their courses onto the road-- you are very likely to find one in your area within the next few months. From personal expierence, I highly recommend SOLO-- Stonehearth Open Learning Opportunities, based out of Conway, NH. Check them out at soloschools.com
Also check out NOLS.edu (National Outdoor Leadership School/Wilderness Medical Institute) and WMA (Wilderness Medical Association, dont know their website).
Check them all out...
The "module" upgrade course is about a week long (usually 5-6 days), about 15 hours are spent on "rescue skills" the rest on different treatment modalaties for the wilderness.
I dont want to go on and on here, but it really is a great course, PM me for more info/questions.
DES