Supreme & Co, Kolkata, (Poleline Hardware, Fittings for Overhead Insulated Cables (Aerial Bundled Cable Fittings), Fittings for OPGW System, Sub-Station Fittings, Insulator Hardware Fittings, Earthing Materials, Helical Products, Anchors End-fittings for Polymer Insulators, Compression Connectors, Clamps & Connectors, Suspension & Tension String Assembly, Connectors for Heat-shrink Fittings, Heat Shrink Cable Joints & Terminations, Cables & Conductors Other products, Insulators Aluminum Clad Steel Wire, Galvanized Wire & Strand)