TAMAQUA, PA – Effect pigments manufacturer Silberline Manufacturing Co., Tamaqua, PA, has expanded the territory of specialty chemical distributor Archway Sales Inc., St. Louis, MO. The territory now includes the states of Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Texas, Oklahoma, North Dakota and South Dakota. Archway Sales distributes Silberline’s aluminum pigments and pastes, including leafing, non-leafing, acid-resistant and special effect pigments. The new agreement became effective December 1, 2012.