CF Industries Inc.
www.cfindustries.com

Chemtura
www.chemtura.com

Criterion Catalysts & Technologies
www.criterioncatalysts.com

Dow
www.dow.com

Dupont
www.dupont.com

Enterprise Products Partners L.P.
www.epplp.com

ExxonMobil
www.exxonmobil.com

Flying J Inc./Big West Oil
www.flyingj.com

Giant Industries Inc./Giant Refining Group
www.giant.com

Georia Pacific
www.gp.com

Grace Davison
www.gracedavison.com

INEOS
www.ineos.com

International Paper
www.internationalpaper.com

Marathon Oil Corporation
www.marathon.com

MeadWestvaco
www.meadwestvaco.com

Motiva Enterprises
www.motivaenterprises.com

Murphy Oil
www.murphyoilcorp.com

PPG
www.ppg.com

Shell
www.shell.com

Terra Industries Inc.
www.terraindustries.com

Total Petrochemicals
www.totalpetrochemicals.biz

Valero Energy
www.valero.com