Brewery (Number of groups) (Click a Brewer to view coasters)	Sort by code	Sort by Production Dates *RED = CLOSED*	Sort by city	Sort by count
Imperial Brewing Co. aka W. S. Bache Co.	MI-IMPE	1935-1936	Ecorse	1
Independent Brewing Co.	MI-INDE	1907-1919	Detroit	3
Innovators Brewing Co.	MI-INNO	2021-	Richville	1
International Breweries, Inc.	MI-INTE	1954-1956	Frankenmuth	5
Ironbark Brewing Company	MI-IROB	2017-	Jackson	3
Ironwood Brewing Co.	MI-IRON	1902-1919	Ironwood	3
Michigan brewers with coasters:				6
Alternate brewer referencess:
total record count:				6