PT Reska Multi Usaha, also known as KAI Services, is a subsidiary of PT Kereta Api Indonesia (Persero) established in 2003 with more than two decades of experience. The company was founded to implement and support the policies and programs of PT Kereta Api Indonesia (Persero) as the parent company, particularly in the railway restaurant business and other related services. PT Reska Multi Usaha operates in three core business areas: On Board Services, which include Sales On Train, On Train Cleaning, and Passenger Amenities; Integrated Facility Services, which consist of Security, Parking, Cleaning Service, and Outsourcing; and Commercial Services, which cover Restaurant, General Service, Cafe, and Catering.

PT Pertamina Training & Consulting (PTC) is a subsidiary of PT Pertamina (Persero), Indonesia’s state-owned oil and gas company. Established in 1999 under the name PT Patra Tridaya, the company officially began its operations in 2002. PTC was formed to support Pertamina’s strategic objectives in human resource development and operational excellence. Over the years, PTC has evolved into a multifaceted service provider offering a wide range of solutions in training, consulting, manpower supply, security services, event management, and competency assessment. Its role within the Pertamina Group is to ensure that the workforce and organizational systems are aligned with global standards and capable of supporting the dynamic needs of the energy sector.

PT Saptaindra Sejati (SIS) is one of Indonesia’s leading mining contractors, specializing in coal mining services. As a subsidiary of PT Alamtri Resources Indonesia Tbk (formerly known as PT Adaro Energy Indonesia Tbk), SIS plays a crucial role in supporting Adaro’s mining operations by providing a broad range of services, including contract mining, civil works, infrastructure development, and land logistics. Over the years, SIS has developed a strong reputation for its expertise, efficiency, and commitment to safety in the mining industry.
SIS was established to meet the growing demand for reliable mining services in Indonesia. With its headquarters in Jakarta, the company operates across various mining sites throughout the country. SIS has continuously expanded its operations, investing in advanced technologies, modern equipment, and workforce training to ensure optimal efficiency in coal extraction. Through strategic planning and engineering solutions, SIS has contributed significantly to Indonesia’s coal industry, ensuring the smooth transportation and production of coal for domestic and international markets.

PT Bank Muamalat Indonesia Tbk (BMI) (“BMI”, “Bank”) is the first bank in Indonesia to adopt the Sharia banking concept. The Company was established based on Deed of Establishment No. 1 dated November 1, 1991, or Rabiul Akhir 24, 1412 Hijriah. BMI was founded by the Indonesian Council of Ulema (MUI), the Association of Indonesian Muslim Intellectuals (ICMI), and Muslim entrepreneurs, later supported by the Government of the Republic of Indonesia. The Company began operations on May 1, 1992, or Shawwal 27, 1412 H, a date also designated as the Company’s founding day. Bank Muamalat is a public company whose shares are not listed on the Indonesia Stock Exchange (IDX) and has officially operated as a Foreign Exchange Bank since October 27, 1994.
BMI continues to innovate by launching Sharia financial products such as the Mudharabah Subordinated Sukuk, Sharia Insurance (Takaful Insurance), Muamalat Financial Institution Pension Fund (DPLK Muamalat), and Sharia multifinance (Al-Ijarah Indonesia Finance), all of which are pioneering initiatives in Indonesia. Additionally, the Shar-e product launched in 2004 was the first instant savings product in Indonesia.