At the beginning of the 1960s, Azarab Industries and Arak Machinery, which used to be a single company, became two separate companies. Also, in the oil industry, from the beginning of the 1980s, petrochemicals and refineries were first removed from the National Persian Oil Company, then unintegrated and separated.Similarly, in Homeland’s automotive industry, many parts manufacturing companies under the category of automobile manufacturers were separated from the parent company under titles such as the sale of surplus property, which, apart from the inflationary effects, led to the creation of part purchase agreements between the two companies and, of course, factoring and related corruption, such as the creation of new board seats in this Independent companies are created to create jobs with the sole purpose of receiving salaries for system agents and their dependents.