| Madina Build | — | Konstruksi, Arsitektur, Rancangan dalam ruangan | — |
| Magnum Estate | — | Pengembangan real estat | — |
| Mahaka Media | ABBA | Media massa, Iklan | 3 April 2002 |
| Maja Agung Latexindo | SURI | — | 7 Desember 2023 |
| Malindo Feedmill | MAIN | Industri dasar dan kimia | 10 Februari 2006 |
| Manajemen Qolbu Corporation | — | — | — |
| Mandiri | BMRI | Jasa keuangan, Perbankan, Sektor keuangan | 14 Juli 2003 |
| Mandiri Herindo Adiperkasa | MAHA | — | 25 Juli 2023 |
| Mandom Indonesia Tbk | TCID | Industri barang konsumsi | 30 September 1993 |
| Manggung Polahraya | MANG | — | 11 Januari 2024 |
| Martina Berto | MBTO | Industri barang konsumsi | 13 Januari 2011 |
| Mas Murni Indonesia Tbk | MAMI | — | 9 Februari 1994 |
| Maskapai Reasuransi Indonesia | MREI | Jasa keuangan | 4 September 1989 |
| Maspion | — | Konglomerat | — |
| Master Print | PTMR | — | 8 Oktober 2024 |
| Mastersystem Infotama | MSTI | — | 8 November 2023 |
| MATAHARI | — | — | — |
| Matahari Department Store | LPPF | Eceran | 10 Oktober 1989 |
| Matahari Putra Prima | MPPA | Eceran | 21 Desember 1992 |
| Max Pictures | — | Industri film | — |
| Maxima Pictures | — | Industri film | — |
| Maxindo Karya Anugerah | MAXI | — | 12 Juni 2023 |
| Mayapada Group | — | Eceran | — |
| Mayora Indah | MYOR | Industri barang konsumsi, Industri makanan | 4 Juli 1990 |
| Mazda Motor Indonesia | — | Industri otomotif | — |
| MD Entertainment | FILM | Iklan | 7 Agustus 2018 |
| MD Pictures | FILM | Iklan, Industri film | 7 Agustus 2018 |
| MDTV | — | Televisi | — |
| MDTV Media Technologies | NETV | Media massa | 26 Januari 2022 |
| MedcoEnergi | MEDC | Industri perminyakan, Pertambangan | 12 Oktober 1994 |
| Medela Potentia | MDLA | — | 15 April 2025 |
| Media Nusantara Citra | MNCN | — | 22 Juni 2007 |
| Media Nusantara Citra | MNCN | Media massa | 22 Juni 2007 |
| Megalestari Epack Sentosaraya | EPAC | — | 1 Juli 2020 |
| Megapolitan Developments Tbk | EMDE | Industri properti | 12 Januari 2011 |
| Menn Teknologi Indonesia | MENN | — | 18 April 2023 |
| Menthobi Karyatama Raya | MKTR | — | 8 November 2022 |
| Meratus Jasa Prima | KARW | — | 20 Desember 1994 |
| Mercedes-Benz Distribution Indonesia | — | Industri otomotif | — |
| Merck Tbk | MERK | Industri barang konsumsi | 23 Juli 1981 |
| Merdeka Battery Materials | MBMA | — | 18 April 2023 |
| Merdeka Gold Resources | EMAS | — | 23 September 2025 |
| Merry Riana Edukasi | MERI | — | 10 Juli 2025 |
| Metro Department Store | — | Eceran | — |
| Metro Realty Tbk | MTSM | Industri properti | 8 Januari 1992 |
| Metrodata Electronics Tbk | MTDL | Industri komputer | 9 April 1990 |
| Metropolitan Kentjana Tbk | MKPI | Industri properti | 10 Juli 2009 |
| Metropolitan Land Tbk | MTLA | Industri properti | 20 Juni 2011 |
| Millenium Pharmacon Int. | SDPC | Grosir | 7 Mei 1990 |
| Minahasa Membangun Hebat | HBAT | — | 7 Agustus 2023 |
| Minna Padi Investama Sekuritas Tbk | PADI | Industri sekuritas | 9 Januari 2012 |
| Mitra Adiperkasa | MAPI | Eceran | 10 November 2004 |
| Mitra Angkasa Sejahtera | BAUT | — | 28 Januari 2022 |
| Mitra Hub Indonesia | — | Eceran | — |
| Mitra Investindo Tbk | MITI | Industri perminyakan, Pertambangan | 16 Juli 1997 |
| Mitra Pack | PTMP | — | 6 Maret 2023 |
| Mitra Pedagang Indonesia | MPIX | — | 7 Februari 2024 |
| Mitra Pinasthika Mustika | MPMX | Grosir | 29 Mei 2013 |
| Mitra Rajasa | MIRA | Transportasi, Industri infrastruktur | 30 Januari 1997 |
| Mitra Tirta Buwana | SOUL | — | 6 Januari 2023 |
| Mitrabahtera Segara Sejati Tbk | MBSS | Transportasi, Industri infrastruktur | 6 April 2011 |
| Mitsui Sumitomo Insurance Group | — | Perusahaan asuransi | — |
| MNC Asia Holding | BHIT | — | 24 November 1997 |
| MNC Corporation | BHIT | — | 24 November 1997 |
| MNC Digital Entertainment | MSIN | Iklan | 8 Juni 2018 |
| MNC Energy Investments | IATA | Transportasi, Industri infrastruktur | 13 September 2006 |
| MNC Kapital Indonesia | BCAP | — | 8 Juni 2001 |
| MNC Land | KPIG | Pariwisata | 30 Maret 2000 |
| MNC Sky Vision | MSKY | Iklan | 9 Juli 2012 |
| MNC Vision | — | Televisi satelit | — |
| MNC Vision Networks | IPTV | Iklan, Televisi berlangganan | 8 Juli 2019 |
| Mobil Tawon | — | Industri otomotif | — |
| Modena Group | — | Industri berat, Industri elektronik | — |
| Modern Internasional Tbk | MDRN | Grosir | 16 Juli 1991 |
| Modernland Realty Ltd Tbk | MDLN | Industri properti | 18 Januari 1993 |
| Mora Telematika Indonesia | MORA | — | 8 Agustus 2022 |
| Morenzo Abadi Perkasa | ENZO | — | 14 September 2020 |
| MPX Logistics International | MPXL | — | 9 Mei 2023 |
| Mulia Industrindo | MLIA | Industri dasar dan kimia | 17 Januari 1994 |
| Multi Agro Gemilang Plantation Tbk | MAGP | Pertanian | 16 Januari 2013 |
| Multi Bintang Indonesia | MLBI | Industri makanan, Industri barang konsumsi | 17 Januari 1994 |
| Multi Garam Utama | FOLK | — | 7 Agustus 2023 |
| Multi Hanna Kreasindo | MHKI | — | 16 April 2024 |
| Multi Indocitra Tbk | MICE | Grosir | 2 November 2005 |
| Multi Makmur Lemindo | PIPA | — | 10 April 2023 |
| Multi Medika Internasional | MMIX | — | 6 Desember 2022 |
| Multi Prima Sejahtera | LPIN | — | 5 Februari 1990 |
| Multi Spunindo Jaya | MSJA | — | 10 Januari 2024 |
| Multifiling Mitra Indonesia Tbk | MFMI | — | 29 Desember 2010 |
| Multikarya Asia Pasifik Raya | MKAP | — | 12 Februari 2024 |
| Multipolar | MLPL | Industri komputer | 6 November 1989 |
| Multipolar Technology | MLPT | Industri komputer | 8 Juli 2013 |
| Multisarana Intan Eduka | MSIE | — | 10 Agustus 2023 |
| Multistrada Arah Sarana Tbk | MASA | — | 9 Juni 2005 |
| Multitrend Indo | BABY | — | 7 September 2023 |
| Murni Sadar | MTMH | — | 20 April 2022 |
| Musica Studio's | — | Industri rekaman | — |
| Mustika Ratu | MRAT | Industri barang konsumsi | 27 Juli 1995 |
| Mutuagung Lestari | MUTU | — | 9 Agustus 2023 |
| MyRepublic Indonesia | — | Industri telekomunikasi | — |