What is tesoro?

"Tesoro" can refer to several entities, depending on the context. Here are a few possibilities:

1. Tesoro Corporation: Previously known as Andeavor, Tesoro Corporation was a Fortune 100 company based in San Antonio, Texas. It was an independent refiner and marketer of petroleum products. In 2018, it was acquired by Marathon Petroleum Corporation. Tesoro operated refineries and a network of retail stations under various brands, including Tesoro, Shell, ARCO, and ExxonMobil.

2. Tesoro Enterprises, Inc.: A company involved in various sectors, including retail and e-commerce. It has been associated with various business activities over time, including mergers and acquisitions.

3. Tesoro as a Spanish/Italian word: In Spanish and Italian, "tesoro" means "treasure." It can be used to refer to literal treasures like gold and jewels, as well as metaphorically to describe something or someone precious.

4. Tesoro Electronics: A brand known for producing mechanical keyboards and other gaming peripherals. They are recognized for their quality and durability, catering to gaming enthusiasts.

These are a few possible references to Tesoro. If you have a specific context in mind, please provide more details for a more tailored response.