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.
In 1863 the Union Pacific RR began construction from Omaha, Nebr., while the Central Pacific broke ground at Sacramento, Calif. The two lines met at Promontory Summit, Utah, and on May 10, 1869, a golden spike joined the two railways, thus completing the first transcontinental railroad. Others followed.