You've probably never heard of Mi Sher Auto Parts, the company that owns Grapevine's one and only NAPA store. But even if you've never bought from them, they've probably made an impact on your life.

The Mi Sher portfolio includes Integrated Business Solutions in multiple industries, including ground support at DFW International Airport. This week, we're asking them to help us untangle the mysterious web of the Supply Chain... and discovering the essential (and problematically overlooked) "middlemen" at the heart of it all.