Maple Orgtech (India) Ltd. is manufacturing and propagating EM in India under agreement with EMRO, Japan. EM technology was developed by Dr. Teruo Higa in Japan. EM stands for Ã¢€˜Effective MicroorganismsÃ¢€™. It is a consortium of different strains of beneficial and effective microorganisms, both aerobic and anaerobic in nature. It is processed by EMRO personnel under strict quality standard in Maple Orgtech, Kolkata. These organisms are collected from the natural environment and not imported, exotically or genetically engineered. The main microbes are Lactobacillus, Photosynthetic bacteria, yeast.