CSL has its main facility at Kochi, four Ship Repair Units and two Subsidiaries, spread across South, West & East Coast of India as follows.
Units1. CSL Main Shipyard at Kochi with 3 Dry-docks (a new large Dry-dock was recently inaugurated in January 2024)
2. International Ship Repair Facility (ISRF) at Cochin Port, Kochi (recently inaugurated in January 2024)
3. CSL Mumbai Ship Repair Unit (CMSRU) at Mumbai Port, Mumbai
4. CSL Kolkata Ship Repair Unit (CKSRU) at Syama Prasad Mookerjee Port, Kolkata
5. CSL Andaman & Nicobar Ship Repair Unit (CANSRU) at Marine Dockyard, Port Blair
6. Hooghly Cochin Shipyard Limited (HCSL), Howrah, West Bengal
7. Udupi Cochin Shipyard Limited (UCSL), Udupi, Karnataka.