Siris Ltd is engaged in the manufacture of bulk drugs like Ciprofloxacin, Sulphamethoxazole, Analgin. The company also manufactures several intermediates used for manufacture of bulk drugs such as Acetyl Sulphanelyl Chloride, Di Methyl Oxalate, Sodium Methoxide.They supply their products to Leading Indian and Multinational Pharmaceutical Companies like Burroughs Wellcome, Roche Products Ltd., Roussel India, Hoechst, Cadila, Albert David Ltd., Cipla Ltd., Core Parenterals Ltd., Concept Pharmaceuticals Ltd., etc. Read less