East St Louis Food Preparations Nec Manufacturers 6400 Collinsville Rd The Petra Companies provide high-quality chemical products including the manufacture of sodium hypochlorite, dry blending, toll manufacturing, liquid blending, and is a terminal for liquids and dries bagging. East St Louis IL Food Preparations Nec Manufacturers Petra Industries Inc www.petrachem.com chemical company chemical companies chemical manufacturer chem co chemicals company chem company chemical engineering companies chemical supply company chemical supply companies co chemical petrochemical company chemical manufacturing com chemical company chemical companies chemical manufacturer chem co chemicals company chem company chemical engineering companies chemical supply company chemical supply companies co chemical petrochemical company chemical manufacturing com Business Reviews Petra Industries Inc Testimonials