2014
International Paper
Tennessee (United States)
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39.9
millions of pounds
2014
Koch Industries
Kansas (United States)
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29.4
millions of pounds
2013
Southern Co
Georgia (United States)
22.1
millions of pounds
2014
American Electric
Ohio (United States)
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19.6
millions of pounds
2014
NRG Energy
New Jersey (United States)
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18.9
millions of pounds
2014
Duke Energy
North Carolina (United States)
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17.8
millions of pounds
2013
Dominion Energy
Virginia (United States)
11.8
millions of pounds
2014
FirstEnergy
Ohio (United States)
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11.5
millions of pounds
2014
PPL Corp.
Pennsylvania (United States)
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11.3
millions of pounds
2013
EI du Pont de Nemours
Delaware (United States)
10.9
millions of pounds
2014
AES Corp.
Delaware (United States)
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9.9
millions of pounds
2014
Archer Daniels Midland
Illinois (United States)
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9.4
millions of pounds
2014
Exxon Mobil
Texas (United States)
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8.8
millions of pounds
2014
Eastman Chemical
Tennessee (United States)
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7.5
millions of pounds
2014
The Chemours Company
Delaware (United States)
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6.3
millions of pounds
2013
Renco Group
New York (United States)
5.8
millions of pounds
2014
Dow Chemical
Michigan (United States)
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5.7
millions of pounds
2014
BASF SE
Germany
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5.6
millions of pounds
2013
Weyerhaeuser
Washington (United States)
5.2
millions of pounds
2014
Phillips 66
Texas (United States)
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5.1
millions of pounds