Hamoon Saba Investment Company (Public Joint Stock Company) was established in 2005 as a public joint stock company and has been registered in the Companies Registration Office in the same year. This company was purchased by Saba Tamin Holding in 2005. Currently, Saba Tamin Investment Company (public company) is the major shareholder of Hamoon Saba Investment Company (public company)

The company was established by the Social Security Investment Company mainly to make efficient use of insurance companies' services, expand the quality and quantity of insurance coverages and help reorganize insurance-related operations. The company is also set to foster the profitability of the holding through lowering expenses, managing and distributing risks as well controlling premium rates and offering satisfactory insurance services

Saba Tamin Brokerage Company (Public), with the national id code of 10101559627 was established in 1994 as Kimia Sahm Brokerage Company, after receiving authorization from the Security and Exchange Organization of Iran. The company is currently one of the subsidiaries of Saba Tamin Investment Company and a commercial unit affiliated with the Social Security Investment Company

The previous mission of Saba Management Services Company was to prepare the supply and transfer properties and assets of other companies including listed and non-listed firms, in line with shareholders' policies, and to exercise attorney in transferring assets of other companies and stocks, currently dissolved or liquidated, as determined by shareholders or other companies. Since the beginning of its operations, it has managed to successfully transfer 22 companies affiliated with the Social Security Organization to the private sector. It also managed to evaluate and sell the excessive assets of several companies affiliated with the Social Security Investment Company