This great chart lists each class on the left-hand side, along with ship droid and optional companions. Then across the top we have the crafting skills and you can see the crit and skill bonuses you can receive for each class.
via N4G: pc news feed http://n4g.com/news/1408433/swtor-crafting-bonuses-chart
via N4G: pc news feed http://n4g.com/news/1408433/swtor-crafting-bonuses-chart