Verso Paper closed its unprofitable Bucksport mill in 2014, cutting 500 jobs.
Lincoln Paper and Tissue never recovered from a boiler explosion in 2013 that idled the mill, forcing it to file for bankruptcy in September 2015.
Old Town Fuel & Fiber went through a series of owners, and launched a research facility in conjunction with the University of Maine to explore alternative fuel made from woody biomass, before closing in September 2015.
The Millinocket mill closed in 2008 and the East Millinocket mill went through a series of investors before filing bankruptcy in 2014. At their peak, the mills employed 4,000.
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