The 19 year-old was taken to Hospital with a gunshot wound shortly after 7pm yesterday.
The victim remains in a serious and stable condition.
A 36 year-old man from Tilbury and a 40 year-old man in Stanford-le-Hope were arrested on suspicion of attempted murder in the early hours of this morning.
They are both in custody.
If you have any information about the incident call Essex Police on 101 quoting incident 1114 of September 26 or email scd.appeals.essex@essex.pnn.police.uk.
You can also contact Crimestoppers anonymously on 0800 555 111.
Tags: Tilbury