(uskings.us) Fluor Corporation is a multinational engineering and construction firm headquartered in Irving, Texas.
(uskings.us) Caterpillar Inc. is an American Fortune 100 corporation which designs, develops, engineers, manufactures, markets and sells machinery, engines, financial products and insurance to customers via a worldwide dealer network.
(uskings.us) Bechtel Corporation (Bechtel Group, Inc.) is the largest construction and civil engineering company in the United States, and the 8th-largest privately owned American company in 2017. Its headquarters are in San Francisco, California.
(USKings.org) The Cahokia Mounds State Historic Site is the site of a pre-Columbian Native American city (c. 600–1400 CE) directly across the Mississippi River from modern St. Louis, Missouri.