August 8, 2008 - ...resin made from oil is the raw material at the heart of plastics manufacturing at the Quadrant plant, the headquarters of its North American operations. Quadrant also has plants in Mexico, Europe and Asia -- 18 countries in all -- with annual sales of $640 million to $650 million. Quadrant produces plastic products for high-tech construction, food-processing, chemical and electronics companies. Glen T. Steady, chief executive officer, noted that while the global company has...