- Lusito Association (LPAC)
- Lusito Association (LA)
- LWO Employers Organisation (LWOEO)
- Macadamias South Africa (MSA)
- Macadamias South Africa (SAMAC)
- Maccabi South Africa (MSA)
- Maccauw Clay Target Club (MCTC)
- Machine Tool Merchants’ Association (MTMA)
- Maize Trust (MT)
- Majeto Taxi Association (MTA)
- Malmesbury Sakekamer (MS)
- Maluti-A-Phofung, Special Economic Zone (MAP-SEZ)
- Mamelodi Long Distance & Local Taxi Association ()
- Mammal Research Institute (MRI)
- Mandela Mining Precinct (MMP)
- Mangaung Chamber of Commerce & Industry (MCCI)
- Manufacturing Circle (MC)
- Manufacturing, Engineering and Related Services Sector Education and Training Authority (MERSETA)
- Manyasing Taxi Association (MTA)
- Marine and Antarctic Research for Innovation and Sustainability (MARIS)
- Marine Biology Research Institute (MA-RE)
- Marine Farmers Organisation of South Africa (MFOSA)
- Marine Finfish Farmers Association of South Africa (MFFASA)
- Marine Industry Association of South Africa (MIASA)
- Maritime Law Association of South Africa (MLASA)
