PULP & PAPER

• Westvaco
• Weyerhaeuser
• Bowater
• Union Camp
• Champion International
• Federal Paper Board
• Georgia Pacific
• Kvaener Pulping
• Packaging Corporation of America
• International Paper

CHEMICAL

• Hoechst Celanese
• DuPont
• Air Products & Chemicals
• Clariant

POWER

• Duke Energy
• Santee Cooper
• Progress Energy
• South Carolina Electric & Gas
• Entergy
• Enel North America
• Louisville Gas & Electric
• Cinergy
• Florida Power & Light
• Tampa Electric
• East Kentucky Power
• Dayton Power & Light
• Oglethorpe Power
• Cogentrix
• TVA 

COMMERICIAL MANUFACTURING

• Philip Morris
• FedEx Freight
• Freightliner
• Fuji
• Hubner Manufacturing
• Corning
• R. J. Reynolds
• Pepsi-Cola
• Jevic Transportation
• Norfolk Southern
• CSX
• Hydro-Conduit
• Bank of America Stadium
• (Carolina Panthers)
• Charlotte Coliseum
• (Charlotte Hornets)
• Charlotte Arena
• (Charlotte Bobcats)
• General Electric
• Douglas Battery
• Corn Products Plants
• Dillards

NATURAL GAS & PRODUCTS PIPELINES

• York County Natural Gas Authority
• Piedmont Natural Gas
• Williams/Transcontinental Gas