The Additional Commissioner of Labour, Chennai is having jurisdiction over the Districts of Chennai, Kancheepuram, Tiruvallur, Vellore, Tiruvannamalai, Cuddalore, Ranipet, Kallakuruchi, Thirupathur, Chengalpattu and Villupuram.
The Additional Commissioner of Labour, Coimbatore is having jurisdiction of the districts of Coimbatore, Nilgiris, Erode, Salem, Namakal, Krishnagiri, Thirupur and Dharmapuri.
The Additional Commissioner of Labour , Madurai is having jurisdiction over the Districts of Madurai , Ramanathapuram, Sivaganga, Virudhunagar, Tirunelveli, Tuticorin, Thenkasi and Kanyakumari.
The Additional Commissioner of Labour , Trichy is having jurisdiction over the Districts of Karur, Dindigul, Tiruchy, Theni, Tanjore, Tiruvarur, Perambalur, Pudukottai, Mayiladuthurai, Ariyalur and Nagapattinam.
The Zonal Additional Commissioners of Labour are assigned the following duties in addition to the general administration.