I visited JBL in Northridge California on Wednesday to pick up some dustcaps in person as I didn't want them mailed. Got there on a hot smoggy typical San Fernando Valley afternoon and though I've lived there for decades, I never visited until now. Harmon Kardon has this place built up as a huge "business campus" for a variety of other business's as well. It goes on for blocks and blocks. The JBL manufacturing facility is pretty big by itself.
I get there and go to the main headquarter door and find out from the guards in the lobby that Pro Service is a couple of blocks away to the south. I ask if I could take a picture of the lobby and they were kind enough to let me take a shot or two. Here is the front of the building