Industiral engineering is the third hightest disipline employment wise, in 2008 there were about 214,800 out of 1.6 million engineering jobs .
A staring industial engineer with a bachelor's degree was an average of $58,358 in 2008, and the average salary for an industrial engineer was $73,820 in 2008.
The top three schools for industrial engineering are 1)Georgia Institute for Technology, 2)University of Michigan-Ann Arbor, and 3)Purdue University-West Lafayette. This is the complete list- http://www.infozee.com/channels/ms/usa/industrial-manufacturing-engineering-rankings.htm
Industrial engineering is expected to have a growth of 14% in the next decade. They will be needed to find even more efficent ways to reduce cost, delay, and waste. They will also be needed to increase productivity, but many also will leave the ocupation for management since industrial engineering is very similar to management.
The IIE is a global society for industrial enigneering; it's full name is the Global Association of Productivity and Efficiency Proffesionals. Their link- http://www.iienet2.org/Default.aspx