Union Pacific Corporation is USA based Transportation Company and ships anything like food, forest products, automobiles, agricultural products, coal and chemicals mainly on Trains (Rails) and even if there is no Train Route they will use road network and rail network to transport goods on time. They have 32,124 employees as on 2021. Headquarters is in USA.
AMERICAN TOWER CORPORATION (REIT) is Wireless and Broadcast Communication Services Provider and Infrastructure company with headquarters in USA. As on 2019, they have 5,454 employees.
American Tower is one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate. As on 2020, it has portfolio of more than 181,000 communications sites, including more than 41,000 properties in the United States and more than 140,000 properties internationally.
CROWN CASTLE INTERNATIONAL CORPORATION is Real Estate Investment Company Possess unique network of communications infrastructure—towers, small cells, and fiber. They all work together to set the stage for new innovation and they bring the world's biggest ideas and possibilities to people and businesses who need them.
KINDER MORGAN is Oil and Gas pipelines infrastructure operating company with headquarters is in USA. Kinder Morgan is one of the largest energy infrastructure companies in North America. We own an interest in or operate approximately 84,000 miles of pipelines and 157 terminals.
SBA Communications Corporation (SBA) is an independent owner and operator of wireless communications infrastructure – that includes towers, buildings, rooftops, distributed antenna systems (DAS) and small cells. SBA supports wireless technologies that keep people, businesses and municipalities connected. Company leases antennas, towers to wireless communications operating companies. Headquarters is in USA.