Here is an email I received from Kentucky Gem. Posting it with his comments:
Check out the C. W. Staurts, McKennas, Untied We Stand and SHM on the barrel ends.
I suspect that the attached photo of a sign may account for some of the eastern production. Note; S.F. & New York. Also, notice the second barrel on the left from center at top. Mckenna's...
Smooth base for western distribution, C&I for eastern, and since they had the bottles, for western distribution when the S.F. glassworks couldn't keep up, or when the east coast venture fizzled.