Here is a list of Breweries based in Bolton

Bank Top Brewery,
The Pavilion, Ashworth Lane, Bank Top, Bolton BL1 8RA
Links: website Twitter Facebook

Blackedge Brewery
Moreton Mill, Hampson Street, Horwich, BL6 7JH
Links: website Twitter Facebook Instagram WhatPub
More info here

Escape Brewery
Links: Twitter Facebook

Howfen Brewery
Links:  website  Twitter Facebook Instagram

Northern Monkey Brewery
Nelson Square, Bolton, BL1 1AQ
Links: website Twitter Facebook Instagram WhatPub