UNP Union Pacific does however pay an effective tax rate on average of 37%, with the last quarter at 37.51% which is more than retail stores whom also pay high rates. WMT Walmart paid an effective rate of 32.56% last quarter. In comparison to AAPL which checked in with 22.91% last quarter. The other rails pay similar rates to UNP.
Amusing that using the same exact search for these companies, the top links were all to stock analysis sites except Walmart. The top site was titled "How Walmart is Dodging Billions in Taxes", followed by an article from Time magazine about the unfairness. Apparently Google wants a buffer between the actual tax rate information. Walmart the perfect voodoo doll. No Google is not my friend, but I used them to prove to myself what I already knew about that outfit.
Remember the Grace Commission? That study concluded that over 1/3 of federal spending was total waste, so there is a need for high taxes on corporations. Plus it is a good way to hide taxes from the consumer that ultimately pays all the tax.