I want to say S&P Auto Parts.. they're in a few locations around the east bay, San Pablo, Martinez, Brentwood, etc..
not really big out fit but have good stuff.
There's also an AutoPride battery label as well.
1993 Ford Ranger XLT 4.0L 4x4 (240k) 5W-30 Synpower
2006 Saturn Relay-3 3.5L (85k) 5W-30 Synpower
2012 Ford Fusion SE 2.5L (39k) 5W20 M/C Semi Syn