| Wilaya | Nombre des Laboratoires |
|---|---|
| ALGER | 240 |
| ORAN | 167 |
| CONSTANTINE | 128 |
| ANNABA | 92 |
| TLEMCEN | 80 |
| BATNA | 68 |
| SETIF | 63 |
| SIDI BEL ABBES | 55 |
| BLIDA | 54 |
| MOSTAGANEM | 44 |
| BISKRA | 39 |
| BEJAIA | 37 |
| M'SILA | 35 |
| OUARGLA | 35 |
| LAGHOUAT | 32 |
| JIJEL | 31 |
| TIZI-OUZOU | 31 |
| CHLEF | 29 |
| BOUMERDES | 27 |
| GUELMA | 27 |
| OUM-EL-BOUAGHI | 24 |
| TIARET | 22 |
| BECHAR | 21 |
| EL-OUED | 20 |
| MASCARA | 20 |
| TIPAZA | 19 |
| TEBESSA | 19 |
| DJELFA | 18 |
| SAIDA | 18 |
| MEDEA | 18 |
| SKIKDA | 18 |
| AIN-DEFLA | 18 |
| BOUIRA | 16 |
| ADRAR | 14 |
| SOUK-AHRAS | 12 |
| BORDJ-BOU-ARRERIDJ | 11 |
| KHENCHELA | 9 |
| GHARDAIA | 8 |
| EL-TARF | 8 |
| RELIZANE | 7 |
| AIN-TEMOUCHENT | 7 |
| TISSIMSILT | 7 |
| TAMENRASSET | 6 |
| NAAMA | 5 |
| MILA | 4 |
| EL-BAYADH | 4 |
| TINDOUF | 3 |
| ILLIZI | 1 |