Kopindosat, established in 1983, is a cooperative dedicated to serving employees of Indosat and their business partners across Indonesia. Emphasizing values of service, trust, responsiveness, and productivity, Kopindosat aims to consistently enhance the quality of its services to both business partners and its 3,000-plus registered members. The cooperative offers a diverse range of services, including telecommunications tower construction and maintenance, transportation vehicle rentals for both corporate and personal use, and marketing services that assist businesses with branding and sales efforts.

Additionally, Kopindosat engages in general trading with a focus on industrial fuel procurement and offers real estate development for commercial housing and office building management. The organization also facilitates member services such as savings and loans through its Islamic financing program. With over 100 partnerships and four subsidiaries, Kopindosat continues to innovate and expand its offerings, bolstering its position as a vital partner in various sectors