Ranking first on the list of largest Indonesian companies by market capitalization is PT Bank Central Asia Tbk, often referred to as Bank Central Asia (BCA), a financial institution that was established in Indonesia on February 21, 1957. It is often regarded as Indonesia's most important privately owned financial institution. The Asian financial crisis that occurred in 1997 had a significant influence on Indonesia's banking system. In particular, it had an effect on BCA's financial flow and could have faced a threat to the company's continued existence.

Panic in the bank drove BCA to seek help from the Indonesian government, which ultimately led to the bank being nationalized. In 1998, the Indonesian Bank Restructuring Agency took control of the bank and reorganized its operations. Later on in the same year, it was able to make a complete recovery.

It has over a thousand branches spread out around the country, offering consumer and business banking services respectively. Commercial banking as well as other forms of financial service are offered by PT Bank Central Asia Tbk. It conducts business using the following departments and divisions: Loans, Treasury, and Others. The company provides a variety of financial services, including investment products, deposit accounts, transaction banking, electronic banking, cash management, bank assurance, credit facilities, bank guarantees, export-import facilities, and foreign exchange facilities.

Founded: 1957
Headquarters: Jakarta, Indonesia
Website: https://www.bca.co.id/

One of the largest financial institutions in Indonesia is the PT Bank Rakyat Indonesia (Persero) Tbk, also known simply as BRI. Its name literally translates to "Indonesian People's Bank". It has about 8,600 branches, units, and rural service posts around the country, and its primary focus is on providing small-scale and microfinance-style borrowing and lending services to its nearly 30 million retail customers. In addition to that, it operates quite a small but rapidly expanding corporate business. It was the second-largest bank in Indonesia in terms of assets as of the year 2022.

Since its founding in 1895, BRI has had the honor of being Indonesia's oldest bank. It has been held by the government at all times from the time of the fight for independence (1945 to 1949) until November 2003, when 30% of its shares were sold through an initial public offering (IPO). At the present time, the government owns 53% of the operational corporation known as Persero.

For more than 125 years, Bank BRI has been there for its customers, and throughout that time, it has consistently offered convenience and rapidity in addressing the numerous distinct banking demands of its clients. It is also the largest and widest online BRI network in real-time throughout Indonesia. Bank BRI's products and services are comprehensive and diversified for all market sectors, and they are tailored to meet the specific requirements of each client.

Founded: 1895

Headquarters: Jakarta, Indonesia

Website: https://bri.co.id/

PT Bayan Resources Tbk (BYAN) is a holding company that is headquartered in Indonesia. The business manufactures low-sulfur sub-bituminous and bituminous coal products. Coal and Non-coal are the two categories that make up the Company's segments. Through its multiple subsidiaries, the company is involved in the wholesale trade, the provision of mining and excavation services, as well as transportation and storage sectors.

The majority of the mines that PT. Bayan Resources Tbk works in are located in East and South Kalimantan. BYAN is engaged in open-cut mining of a variety of coal qualities. BYAN has the ability to produce a wide variety of coal, from semi-soft coking coal to ecologically beneficial low-sulfur sub-bituminous coal. The year 2004 marked the beginning of operations for the corporation, which has its headquarters in Jakarta, Indonesia.

Its wholesale trade includes the trading of solid, liquid, and gas fuel as well as relevant products, such as natural petroleum, petroleum, kerosene, coal, diesel fuel, gasoline, oil fuel, charcoal, rock charcoal residues, timber fuel, naphtha, and other fuel, including natural gas fuel, such as liquefied petroleum gas (LPG), butane, and propane gas, and polishing oil, lubricating oil, and refined petroleum. In addition, its wholesale trade includes refined petroleum.

Founded: 2004
Headquarters: Jakarta, Indonesia
Website: https://www.bayan.com.sg/

The PT Bank Mandiri (Persero) Tbk, more commonly known as Bank Mandiri, is the next name listed among the largest Indonesian companies by market capitalization. It is the largest bank in Indonesia in terms of assets, loans, and deposits. Its headquarters are located in Jakarta. According to total assets, Bank Mandiri is the most significant financial institution in Indonesia as of the year 2022. As of November 2022, the bank had approximately 13,217 Automatic Teller Machines (ATMs), 2,323 branches across three different time zones in Indonesia, and five principal subsidiaries.

In its role as one of the largest financial institutions in Indonesia, Bank Mandiri is dedicated to providing each client with financial solutions that are well meet their needs. Clients of the bank include individuals, small and medium-sized organizations (SMEs), major corporations, and government agencies. The bank provides a comprehensive selection of banking products and services to all of these different types of clients.

The bank has over one million customers, which places it in the top five largest retail banks in Indonesia, based on the number of clients it serves. With five overseas branch offices, one subsidiary, and seven remittance offices, Bank Mandiri has one of the most extensive foreign exchange networks in Indonesia.

Founded: 1998

Headquarters: Jakarta, Indonesia

Website: https://bankmandiri.com.sg/

Telkom is the short form for PT Telkom Indonesia (Persero) Tbk, which is an Indonesian multinational telecommunications company also known simply as Telkom. Telkom is now traded on both the Indonesia Stock Exchange and the New York Stock Exchange; the latter serves as its secondary listing. 47.91% of Telkom's total current shares are held by the Indonesian government.

Fixed line telephone, internet service provision, and data communications are three of Telkom's primary areas of operations. It functions as the parent company of the Telkom Group, which is involved in a diverse variety of companies including telecommunications, multimedia, real estate, and financial services. Telkom Indonesia has been making changes to its business focus, infrastructure, processes, organization, and human resources, as well as the culture of the company; since the year 2008, all in an effort to keep up with the growing amount of competitors.

The activities of TelkomGroup expand and change in step with the development of new technology, information, and digitalization while being firmly rooted in the fields of telecommunications and information technology. This is obvious in the latest developed business lines, which expanded to telecommunications, information technology services, media and edutainment; but all of them are complements to the company’s existing legacy business.

Founded: 1856
Headquarters: Jakarta, Indonesia

Website: https://telkom.co.id/sites

Under the name, Astra International Inc., PT Astra International Tbk was initially founded as a general trading firm in Jakarta in the year 1957. As one of the largest Indonesian companies by market capitalization, it is the most prominent privately-owned automobile group in all of Southeast Asia. It has successfully extended its business operations by putting into place a business method that is built on synergies and diversification across seven business categories. The company's activities focus on general trading, industry, mining, transportation, agriculture, construction, services and consultancy.

Its primary market is Indonesia, where it operates as a distributor of a comprehensive selection of vehicle and motorcycle products manufactured in conjunction with a number of different businesses, including Toyota, Daihatsu, Isuzu, UD Trucks, Peugeot, and BMW for automobiles, and Honda for motorcycles. Through its wholly-owned subsidiary, PT Astra Otoparts Tbk, Astra also maintains a significant position in the market for automobile components.

In addition, Astra has holdings in the areas of heavy equipment and mining, agribusiness, information technology, infrastructure, and logistics. In the area of financial services, Astra's companies offer a variety of financial products and services to back up its sales of automobiles and heavy equipment. Until the late 2010s, the group had a stake in PT Bank Permata Tbk, which allowed them to participate in the retail banking industry. Astra made an investment of $150 million US Dollars in the application-based, on-demand service Gojek in 2019.

Founded: 1957

Headquarters: Jakarta, Indonesia

Website: https://www.astra.co.id/

PT. Chandra Asri Petrochemical Tbk. (TPIA) is a company that works as a producer of polypropylene resins. These polypropylene resins are utilized in the production of a wide variety of consumer items, such as food packaging, carpet backing, and plastic houseware. In 1993, TPIA launched its first for-profit business operations.

TPIA's primary business focus is the manufacturing of homopolymer resins, random copolymers, and impact copolymers. These resins find use in a wide variety of textile, injection molding, and plastic film products, in addition to specific uses in engineering. It uses cutting-edge technology to run the country’s only Naphtha Cracker plant, as well as the facilities that support it, in order to manufacture polyolefins (polyethylene and polypropylene), olefins (ethylene and propylene), and pygas. This allows it to generate mixed C4 as well as olefins (ethylene and propylene).

Its manufacturing facilities consist of three lines that may produce items made of polyethylene, polypropylene, or both. In addition, it runs only one butadiene factory in all of Indonesia. Raw ingredients for the butadiene factory come from the olefins plant, which produces mixed C4 for use by the butadiene plant.

Founded: 1984
Headquarters: Jakarta, Indonesia
Website: https://www.chandra-asri.com/

PT Bank Negara Indonesia (Persero), Tbk was initially founded in Indonesia as a central Bank under the name of "Bank Negara Indonesia" based on Government Regulation in Lieu of Law No. 2 of 1946 dated July 5, 1946. Currently, the Government of the Republic of Indonesia controls 60% of BNI shares. The remaining percent of domestic and foreign ownership is held by the public, which includes both individuals and government agencies.

According to total assets, total loans, and total third-party funds, BNI is presently the fourth-largest national bank in Indonesia. This ranking is based on total assets. BNI provides integrated financial services since it is backed by a variety of subsidiaries. These companies include Bank BNI Syariah, BNI Multifinance, BNI Sekuritas, BNI Life Insurance, BNI Ventures, BNI Remittance, and Bank Mayora.

Corporate, medium, and small-sized businesses can take use of the deposit and credit facilities provided by BNI. Many of the greatest products and services are now tailored to meet the requirements of clients at all ages of their lives, beginning with childhood and extending through adulthood and retirement.

Founded: 1946

Headquarters: Jakarta, Indonesia

Website: https://bni.co.id/en-us/

PT Unilever Indonesia Tbk, often known as Unilever Indonesia, is a subsidiary of Unilever Indonesia Holding BV that specializes in the production, marketing, and distribution of various consumer goods. One of the most valuable businesses listed on the Indonesia Stock Exchange, this organization is controlled by a Dutch holding company to the extent of 85%, making it one of the greatest corporations in terms of market capitalization.

The organization's product line includes both food and non-food goods, such as soaps, detergents, ice cream, savory products, drinks based on tea, and fruit juice, among other things. In addition to that, it offers a variety of products for oral care, skin care, body care, household care, and personal care. These are marketed by the corporation under some of the most well-known brand names in the world, such as Pepsodent, Lux, Dove, Pond's, Glow & Lovely, Axe, Sunsilk, Rexona, Clear, Vaseline, Rinso, Molto, Sunlight, Wall's, Royco, Cif, Lipton, and Bango.

Unilever Indonesia sells its products all throughout the country of Indonesia because of its extensive network of distributors, suppliers, and vendors. It has production facilities in both Cikarang and Rungkut, both of which it operates. Unilever Indonesia is located in TangerangJakarta, Banten, Indonesia.

Founded: 1933
Headquarters: Jakarta, Indonesia
Website: https://www.unilever.co.id/

The end of the list of the largest Indonesian companies by market capitalization is Indofood CBP. PT Indofood Sukses Makmur Tbk has, over the course of several decades, undergone a process of gradual transformation in order to become a Total Food Solutions firm. Lambang Insan Makmur, the predecessor to Indofood, started selling instant noodles in 1968, and the company's namesake brand, Indomie, was introduced the following year in 1972. On August 14, 1990, the business underwent a reorganization and became known as PT Panganjaya Intikusuma. The firm changed its name to PT Indofood Sukses Makmur in 1994, and on July 14, 1994, it became publicly traded on the Indonesian Stock Exchange under its new name.

Indofood is a Total Food Solutions provider that has activities in all phases of the food manufacturing process, beginning with the manufacture of raw materials and going all the way to the distribution of finished consumer goods. It is well recognized as a reputable corporation that has stood the test of time and emerged as a leading player in every industry sector in which it competes.

With a diverse offering of food items that are pre-packaged, Indofood CBP is recognized as one of the most successful manufacturers of packaged foods in Indonesia. In the industry of consumer food brands, the ICBP product names are consistently ranked among the most powerful and have the greatest significance in terms of mind share in Indonesia.

Founded: 1990
Headquarters: Jakarta, Indonesia
Website: https://www.indofood.com/