Aromatic Allied & Organics Pvt. Ltd. (AAOL) is a well-established Indian specialty chemical manufacturer with over two decades of expertise in sulfonation chemistry. Founded in 1999, the company is widely recognized for manufacturing Sulfonic Acid derivatives, including PTSA (Para Toluene Sulfonic Acid), PTSA Monohydrate (Para Toluene Sulfonic Acid Monohydrate), and PTSC.