Tulsa is the second-largest city in the state of Oklahoma and is known as the "Oil Capital of the World." The city's economy was built on the success of the oil industry, which boomed in the early 20th century. Tulsa became a major hub for oil production, refining, and transportation, with numerous oil companies establishing their headquarters in the city. The oil industry played a significant role in shaping Tulsa's skyline, with many iconic Art Deco buildings constructed during this time.

Freight transportation is a vital part of Tulsa's economy, as the city is strategically located at the crossroads of major highways and rail lines. Tulsa is served by several interstate highways, including I-44, I-244, and the historic Route 66. These highways connect Tulsa to other major cities in the region and facilitate the transportation of goods and materials. The city is also served by the Tulsa Port of Catoosa, which is the furthest inland seaport in the United States and provides access to international trade via the McClellan-Kerr Arkansas River Navigation System.

Eau Claire is a city located in western Wisconsin, known for its picturesque landscapes, vibrant arts scene, and rich history. The city was founded in 1856 and was named after the Eau Claire River, which runs through the city. The river played a crucial role in the city's early development, as it provided a means of transportation for logging and lumbering industries.

During the late 19th and early 20th centuries, Eau Claire became a major hub for the lumber industry, earning it the nickname "Sawdust City." The city's proximity to vast forests and its access to water transportation made it an ideal location for logging operations. Lumber mills and sawmills sprouted up along the river, and the city quickly became one of the largest lumber producers in the United States.

Today, Eau Claire is a thriving city with a diversified economy. While the lumber industry has declined, the city has adapted and now boasts a strong healthcare sector, manufacturing industry, and a growing technology and innovation sector. The city is also home to the University of Wisconsin-Eau Claire, which contributes to the city's vibrant arts and cultural scene.