PRD RIGS Founded in 1972, under the leadership of Mr. T. P. Thangaraj, Chairman of PRD groups, is a leading manufacturer of drilling and Exploration Rigs. Paranthaman Exporters has a wide range of drilling rigs for the following application water well drilling rig, Blast hole drilling rig, mineral exploration, piling and pole drilling.This is further obvious from the fact that we have been able to build a vast client base across the globe in the regions of Africa, Middle East, Australia and Asia.