What are the most interesting monopolies throughout history?

The following are the most interesting monopolies in history:

• Standard Oil. The company traded on oil. The establishment of the company was done by John D Rockefeller in the year 1870. The company is considered as the most interesting monopoly in history. It emerged monopolistic by using an acquisition strategy. The company reduced oil competition by the acquisition of many and bigger player in the oil industry in the United States. The company was able to control the largest percentage of oil production in the United States.
• Intel. The company produces microprocessors used on desktops and portable computers around the globe. Its monopolistic nature is interesting in that their products control more than 90% of the market and the company is related to having no cases of using notorious means to influence the market.
• American tobacco company. The company is arguably the biggest tobacco company in the world. It controlled the tobacco market through merging with other tobacco companies. The company was so powerful that it merged with more than 200 companies.