I think you're onto something. I think there's a problem with my workflow. I've been grouping them and then conforming them, outside of Poser. But, perhaps I need to import the original obj into Poser -- using the grouping tool -- then export again? Then Quick Conform and then back into Poser? I'm using Autogroup Editor and Quick Conform to get my pieces into poser.

But I'm think, as you've identified, that there is something off with my workflow. Perhaps I'm missing a step here...