1. Pti Engineered Plastics 50900 Corporate Dr, Macomb, MI 48044 Coordinate: 42.67057,-82.95369 Phone: (586) 263-5100
2. Century Plastics 51258 Quadrate Dr, Macomb, MI 48042 Coordinate: 42.67323,-82.96229 Phone: (586) 697-5066