Costco co-founder Jim Sinegal sat down with The Wall Street Journal to discuss how he built the $86 billion label Kirkland Signature and why he was so reluctant to get into the gasoline business.

Jim Sinegal sat down with The Wall Street Journal to discuss how he built the $86 billion label Kirkland Signature and more.

When you are grocery shopping at Costco, you might want to double check the labels -- you never know what you might find next to the Kirkland Signature stamp.