Complex sentence: Prior to their rebranding, Stony Creek Brewery was a very small-scale contract-produced craft brand known for their IPA's named 203 and 860 after Connecticut's two state area codes.
Split into simpler sentences: Prior to their rebranding, Stony Creek Brewery was a very small-scale contract-produced craft brand. They were only known for their IPA's named 203 and 860 after Connecticut's two state area codes.