what is the name for a single company dominating an entire market
Market structure 3. Monopoly, where there is only one provider of a product or service.
Target market A target market is a group of customers within a business's serviceable available market that the business has decided to aim its marketing efforts towards. Target markets consist of consumers who exhibit similar characteristics (such as age, location, income, and lifestyle) and are considered most likely to buy a business's product or service.