In 2007, 408 industrial plants employing almost 29,000 people began operations in the U.S., according to Industrial Information Resources ( At the same time, 268 plants employing almost 57,000 people closed and ceased operations. Despite peaking industrial plant construction activity, industrial jobs are decreasing, due in part to manufacturing jobs exiting the U.S. to areas like Mexico and China with cheaper labor, materials and energy. Also, the new plants coming online are highly automated and require fewer employees. The 408 new plants join more than 32,000 operational industrial plants with about 6.9 million employees.
See link below for chart with the Top 10 States With Operating Industrial Plants.