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.
From the beginning, then, the building of the transcontinental railroad was set up in terms of a competition between the two companies. In the West, the Central Pacific would be dominated by the Big Four--Charles Crocker, Leland Stanford, Collis Huntington and Mark Hopkins.