Leprino Foods chez Google is in Lemoore, CA: [
www.google.com]
That's on a different branch - one that runs west from UP near Visalia, through Hanford (crossing BNSF) and Lemoore, and ending up in Huron. Operated by SJVRR, of course.
There's also a Leprino Foods in Tracy, CA: [
www.google.com]
This one appears to be on a spur from the old (now dead-end) SP Altamont line of UP. Probably not the one you're thinking of, because it's most likely switched by Cal Northern not SJVRR.
Google will also map several other branches of the company in Colorado, but that's not where you asked about ...