I suppose this is related to telugu films. there are a number of them. it is difficult to list all of them. there are many more not included in this and not in film industry.
KV Mahadevan, chakravarthy, maniratnam , koti, mani sharma, krishna reddy
chakri, sp balasubrahmanyam, pendyala, kodanda pani, viswanathan, ilaya raja