Lanco Infratech (Lagadapati Amarappa Naidu and Company Infratech) is a large Indian business conglomerate involved in construction, power, real estate, and several other segments. In 2010, the group of companies was listed among the fastest growing in the world. In 2011, the group became the largest private power provider in India. Lanco was one of the first Independent Power Producers (IPP) in India.