Kadapa district is the repository of mineral wealth. The important minerals that are available in the district are  barytes, asbestos and lime stone. As per the 1983 survey of geological survey of India 30lakh tons of lead, 74,000,000 tons of barytes, 27000tons asbestos deposits are there. It is estimated that 700lakh tons of barytes deposits might be there in Mangampet. There are clay deposits in Rajampet. This is used to make stone implements. Limestone is available in Yerraguntla, M/s. Coramandal Fertilizers established a cement factory with an annual yield of 10lakh tons. Bharat cement corporation increases its capacity to 10lakh tons. National mineral development corporation is extracting asbestos in Brahman palli and barieties in Mangampet. Kadapa is also famous for its stone called as "Kadapa stone" used in building construction and for slabs especially in the south India. Besides its historical importance, the district has occupied an important place in the industrial map of Andhra Pradesh with its highly valued rich mineral resources.181 are employed in the only one paper industry in the district and its capital investment is Rs.227lakhs. There are mineral related industries and electrical instruments industries. Zuari Cements, India Cement Ltd, Corus India Ltd are the other industries.Asbestos Minning processing unit at Pulivendula. Handloom Industry at Madhavaram is one of the major sources of Income to this district.