Synthroma Laboratories Synthroma laboratories - Established in the year 1988, is an aromatic chemical and essential oils manufacturing company situated in the major hub of eastern India - Kolkata. Since its inception, the company has believed in the sole aim of delivering high quality products to its customers. Over the last few years, we have emerged as a leading player in this dynamic industry. We have achieved this by supplying key FMCG companies with our value adding products. We will continue to build upon our strong relationship with all our clients. Our dedication, commitment, passion and professionalism will only ensure that our customers are always satisfied.