Major manufacturing industries, including steel and automotive, as well as large labor unions from those sectors are expected to be well represented at President Obama's jobs summit Dec. 3, according to industry sources.

The President announced plans for the summit just before departing on his nine-day trip to Asia. "Over the past 10 months, we've taken a number of steps to break the back of the recession," Obama said, noting that his economic stimulus program had already created 1 million jobs, a claim that has been greeted with skepticism in some quarters. "As a result, the economy...