After several years of political troubles, it looks as if the Keystone XL pipeline might finally get approval. Once completed, the pipeline will provide an expressway to bring oil sands from Canada to the Gulf of Mexico. Aside from the operator of the pipeline, TransCanada, there are several companies that will reap rewards from this new project. In this video, Motley Fool contributor Tyler Crowe and analyst Joel South discuss how certain companies within each industry of the oil and gas space will be able to take advantage of the pipeline and what it means for investors.