Meijer or Meijer's

I am curious. If you shop for groceries in the Midwest Area (possibly elsewhere), you have heard of a store called Meijer. How are you supposed to pronounce it? When you go to the store, you would go to Meijer. or Meijer's. Which one is correct?

The store was founded by Fred Meijer. Therefore you could say that you are going to the store that is possessed by Fred (i.e. Meijer's). However, the sign doesn't have an "s" on the end.

Some people just might not have thought about it. They just say Meijers because it has infiltrated their psyche. Is that a bad thing? Not really. Does it bug me? A little.

I know at least three people that have worked at the store and they say both. Interesting concept to ponder.

End Rant,
Nick