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
I & I Brewing	CA-INI	2012-	Chino	3
Idol Beer Works	CA-IDOL	2017-	Lodi	3
Idyllwild Brewpub	CA-IDYL	2017-	Idyllwild	5
Imperial Brewing Co.	CA-IMPE	1934-1937	Rosemead	6
Imperial Western Beer Co.	CA-IMPR	2018-2020	Los Angeles	2
Imperiale Beer Project	CA-IMPI	2020-2022	Brentwood	12
INC 82 Brewing	CA-INC8	2017-	Dublin	2
Incinerati Brewing Co.	CA-INCI	2021-	Clovis	2
Independent Brewing Co.	CA-INDE	2014-2020	Oakland	1
Indian Joe Brewing	CA-INJO	2012-2020	Vista	10
Indian Valley Brewing	CA-INDA	2016-	Novato	1
Indian Wells Brewing Co.	CA-INDW	1995-	Inyokern	102
Indie Brewing Co.	CA-INDI	2016-2022	Los Angeles	4
Inland Empire Brewing Co.	CA-INLA	2009-2021	Riverside	8
Inland Wharf Brewing Co.	CA-INLN	2017-2023	Murrieta	16
Innovation Brew Works	CA-INOV	2015-	Pomona	8
Institution Ale Co.	CA-INST	2013-	Camarillo	15
Intergalactic Brewing Co.	CA-INTG	2013-2018	San Diego	1
InZane Brewing Co.	CA-INZA	2022-	Vista	4
Iron Fist Brewing Co.	CA-IROF	2010-2020	Vista	55
Iron Oak Brewing Co.	CA-IROK	2013-2014	Pleasanton	4
Iron Springs Pub & Brewery	CA-IRON	2004-2021	Fairfax	39
Iron Triangle Brewing Co.	CA-IROT	2016-2019	Los Angeles	5
Ironfire Brewing Co.	CA-IRFR	2012-	Temecula	12
Island Brewing Co.	CA-ISLD	2001-	Carpinteria	36
Islands Restaurant	CA-ISLA	2007-	Anaheim	3
ISM Brewing	CA-ISMB	2023-	Long Beach	1
Itza Brewing	CA-ITZA	2020-	San Diego	1
California brewers with coasters:				28
Alternate brewer referencess:
total record count:				29