Oconto Brewing Co., Oconto, WI 1863-1920, 1933-1965
OCON-1  1950's

 

Olympia Brewing Co., Tumwater (Olympia), WA  1902-1983 (Subsidiary of Pabst Brewing Co. after 1983, then S. & P.)
OLYM-1  1960's-1970's	OLYM-2  1960's-1970's	OLYM-3  1960's-1970's
OLYM-4  1960's-1970's	OLYM-5  1980's	OLYM-6  1980's

OLYM-7  1970's?

 

Oshkosh Brewing Co., Oshkosh, WI 1894-1971
OSHK-1  1940's-1950's	OSHK-2A & 2B  1950's 2B has low logo position & slightly simplified outline (see below)	OSHK-3  1950's-1960's Minor logo size and color variants exist

OSHK-2A  close-up OSHK-2B  close-up