I believe it is called a monopoly.
A traditional monopoly can be considered whenever a single company controls the vast majority of an industry. In 1984 the US Federal Government split up AT&T due to the corporation having a monopoly on the telephone service industry.
sole proprietorship
When one person or company controls all of an industry, it is called a monopoly. In a monopoly, the single entity has significant power over pricing, production, and supply, often leading to reduced competition and innovation. Monopolies can be regulated or broken up by governments to promote fair competition and protect consumers.
Traditionally quite fragmented, in 2000 the single-family housing construction industry consisted of 151,296 establishments that employed 713,300 workers
the price of a single share of stock
Running a monopoly.
A monopoly
Vertical integration in the film industry is a process through which the various steps of film production are controlled by a single company. This is aimed at empowering the company in the industry.
A monopoly
A monopoly
A monopoly
A monopoly
A monopoly
A monopoly
A monopoly
a trust
A monopoly