Sumitomo is the largest company in Japan with 3 trillion dollars in annual sales and is a multi-faceted worldwide conglomerate with a huge number of subsidiaries operating in many different industries. We have completed installations in their warehouse facilities. Warehouse lighting using 400W Metal Halide lighting was replaced using a 150W LED Panel Light. Warehouse lighting using a 1000W Metal Halide was replaced with a 400W LED Panel Light. Both solutions provided improved lighting, significant utility cost savings and a good ROI.