- Customs
- Mauritania Cement
- MTO S.A.
- APM
- SOGECO
- SMPN
- SEPCO
- SMPN
- SEPCO
- MTM
- TEISSIR
- SAMMA
- SEP
- TRANSAC
- TRECOM
- VOTRA
- AGRINEQ
- AOM
- EMAMAU
- GREAT COMPLEXE
- IPR
- LMS
- MAFCI
- MEGA LOGISTICS
- MOLOG
- RAJA FISHING
- OPM/RIDHA
- SCOMAT
- SMCDS
- SOCOMIE
- STAM
- MCE
- SAMIA
- MARCC
- ARGUIN
- ACT
- STM