Union Pacific Corp. is a leading transportation company based in Omaha, Nebraska, operating the largest public railroad in North America. With an ESG score of 20.0, the company is considered low risk for investors. Union Pacific generates $24 billion in revenue by transporting various goods across its extensive 30,000 miles of track in the western US. The company also holds a significant ownership stake in Mexican railroad Ferromex, allowing for revenue from freight transportation to and from Mexico.