6. United Parcel Service
Background: UPS (UPS) had one of the largest IPOs of its time. In November 1999, it raised $5.5 billion. The Atlanta-based logistics and delivery company is easily identified by its brown parcel trucks. However the company has been growing its store franchises, named The UPS Store, as well, after acquiring Mail Boxes Etc.
Stock performance: UPS shares are up 1.75% this year. The stock gained 0.59% to reach $74.47 Monday.