| J S Mc Cormick Co (Boyers, PA)
|
| J T Energy Llc (Riverton, WY)
|
| James Brothers Coal Co (Magnolia, OH)
|
| Kfx Technology Inc (Gillette, WY)
|
| Lake Charles Carbon Co (Lake Charles, LA)
|
| Laurel Creek Co Inc (Dingess, WV)
|
| Magnum Powred Medals (Cleveland, OH)
|
| Marietta Coal Co (Saint Clairsvill, OH)
|
| Minerals Resource Technologies (Saint Louis, MO)
|
| Morgan Am & T (Exeter, RI)
|
| Mwi Inc (Rochester, NY)
|
| NAC Carbon Products Inc (Punxsutawney, PA)
|
| National Electrical Carbon (Greenville, SC)
|
| Ohio Carbon Industries (Nova, OH)
|
| Ohio Valley Coal Co (Alledonia, OH)
|
| Perry County Coal Corp (Viper, KY)
|
| Petco Petroleum (Hinsdale, IL)
|
| Petrocoke Inc (Paducah, KY)
|
| Pine Creek Coal Co (Spring Glen, PA)
|
| Premium Fine Coal Co (Tamaqua, PA)
|
| Preparation Plant (Kimper, KY)
|
| R B Coal Co (Ages Brookside, KY)
|
| Ram3 Combustion Technology (Greensboro, NC)
|
| Rexnord Seal Operations (Wheeling, IL)
|
| Roc Carbon Co (Houston, TX)
|
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