A massive blaze at a factory in Dandenong which sent thick smoke billowing over nearby homes has been brought under control.

More than 50 firefighters were called to the scene when the blaze broke out on Hilton Street just before 6am.

The blaze is still out of control. Credit:Nine News

Damage at the factory. Credit:Nine News

The building housed Australian Trim Supply, which supplies carpets and vinyls for the car industry.