Resonance Specialties Limited engages in the manufacture and marketing of specialty chemicals in India and internationally. It offers pyridine, a chemical used in agrochemicals, pharmaceuticals, latexes, food, and allied industries, as well as to manufacture vitamins, medicines, food flavoring, dyes, adhesives, pesticides, herbicides, etc.; and picolines, including beta and gamma picolines used in manufacturing vinyl latex rubber, vitamin B3, and anti-tuberculosis drugs. The company also provides nutritional drug products, such as zinc and chromium picolinate, chromium polynicotinate, niacin, pyrazinamide and isoniazid; alpha picolinic and dipicolinic acids; solvents comprising acetonitrile and valeronitrile; and lutidines and collidines for anti-ulcer drugs. The company was formerly known as Armour Polymers Limited. Resonance Specialties Limited was incorporated in 1989 and is based in Mumbai, India.