AK Steel, Middleton, OH

US Steel, Clairton, PA

PCI, Inc., Wurtland, KY

Calgon Carbon, Catlettsburg, KY

American Electric Power

Dow Chemical, Hanging Rock, OH

St. Mary's Hospital, Huntington, WV

ALCON Rolled Products, Ravenswood, WV

Special Metals Corp, Huntington, WV

Wood County Schools, Parkersburg, WV

Century Aluminum, Ravenswood, WV

Degussa, Belpre, OH

Holzer Medical Center, Gallipolis, OH

Marietta College

WV Schools for the Deaf and Blind

Duke Energy, Athens, OH

Air Products & Chemicals, Ashland, KY - Reidsville, NC

J.T. Magen & Company, Charleston, WV

Nova Chemical, Belpre, OH

Elementis Specialties. Charleston, WV

Wheeling Pittsburgh Steel, Follansbee, WV

APCom Power, Maysville, KY

Indspec Chemical, Petrolia, PA