scale granite industries function in and around Chittoor. Now defunct, Vijaya Diary, was one of the federations to process milk on a large scale in the district. It used to be the largest unit in the country after AMUL (Gujarat), but unfortunately it was closed. Madanapalle is the center of an agricultural region noted for its fruits and vegetables, especially tomatoes.
The district is also famous for hospitals like T.B.Sanitorium which is located in Arogyavaram, 5 km (3.1 mi) from Madanapalle, Apollo Hospital at Arragonda (as part of the out-reach scheme by Asia's largest private hospital chain Apollo Hospitals. A small part of Sricity the nearest business city in the epicentre of Andhra Pradesh & Tamil Nadu also falls in Chittoor. Rishi Valley, near Horsely Hills is noted for its residential education Gurukula. The renowned 20th-century Indian philosopher Jiddu Krishnamurti chose a site in the Valley for the establishment of an affiliated foundation, as well as for the Rishi Valley School, one of India's elite boarding schools, whose mission is based on his educational ideas. Narayani Gram IT(NGIT) started by Praveen Nallabothula is the first software company to step in Chittoor with a motive of balancing the rural and urban economy. Apollo is planning a Health City in Chittoor. Amarraja is setting up a Digital City Near Chittoor. Recently a Mega Food Park is Opened in Chittoor
