Diplomacy in Action. Sanctioned Entities List. The Department of State has sanctioned the following entity for its commercial activities in Iran, pursuant to its authorities under the Iran Sanctions Act of 1996, as amended.
The two railroad companies involved in the transcontinental  railroad were the Union Pacific and the Central Pacific. They  completed the track on May 10, 1869 at Promontoryâ¦ Summit, Utah.
The transcontinental railroad was the culmination of more than 20 years of work, although the actual building of the tracks only took about five years. Both sets of tracks were built primarily by immigrant laborers, with the Central Pacific employing mostly Chinese workers and the Union Pacific workforce made up of mostly Irish workers.