The goal of the company is to serve the scientific community through highly reliable instruments. To achieve this modern manufacturing techniques are used and strict quality control steps are taken right from input stage, manufacturing process and the final product. The product range of Sigma include Gas Chromatographs, Data Acquisition systems, Portable Gas Chromatographs, Online Gas Chromatographs, Split- Open Furnace and Micro-Pulse Reactors (for catalytic studies). The company also has plans to manufacture custom-built instrumentation which are not covered by conventional instruments but are a necessity for the user.