manufacture more.
sell more.
make more money.

Jarp Industries is a high variety, low-volume type of manufacturer, which creates a number of operational complexities. 

McElroy is a vertically integrated, make-to-order, and make-to-stock manufacturer. When they were blessed with sudden increase in demand, they needed to respond. Fast.

Demand is a sign of opportunity. It can also be a source of strain on a company.