Industries in Salem District

* Salem Steel Plant
* TANMAG
* Burn & CO
* Tata Refractories
* Dalmia Magnesite
* POWERGRID
* SAGOSERVE
* SISCOL
* MALCO
* SANMAR CHEMPLAST (erstwhile Mettur Chemicals)
* Thermal Power Plant
* Hydro Power Plant
* Beardsell Ltd
* Microferm Chemicals Ltd
* Ponni Sugars & Chemicals
* Hundreds of Silver Ancillary units
* Sambandam Spinning Mills
* And hundreds of other spinning mills