Green Island's main economy is based on light and small scale heavy industry.
Very few of them have their own business or a small scale industry.
It has a small scale industry, but is large in size.
The town has also been home to major companies in the scale industries since 1960.
There are 5806 small scale industries in the district as on 31-03-2006.
Now few left and lot of other small scale industries running.
The town also get a lot of small and middle scale industries.
Most of the people were connected with this small scale industry.
In addition measures were taken for the growth of the small scale industries.
Almost all this large scale industry has drifted away since the 1980s.