Sorry I can't help with a contractor for NJ, but if you can do any of the work yourself
you might want to look at this system or have a contractor look at the time and money he would save by not using trusses.
You might want to check out Socket Systems. They make a metal coupling system that is very easy to install. I understand it builds for about $10.sq ft.
Good Luck
No question. Just wanted to share a garage a buddy of mine is building.
He's in his 60's and put this entire building up himself! It's 28 ft. wide x 40 ft. long. He started last fall and will be done this summer working whenever he could. (partially retired). He used a metal coupling system...