| No | Company | Sample Collection | Company Type | No. of Staff | ISO | Quality Management Dept. |
| 1 | Gulf Plastic | 18 | Private | 130 | 9001 | Yes |
| 2 | Batelco-Call Centre | 29 | Private | 200 | 27001 | Yes |
| 3 | Novatel Hotel | 20 | Private | 118 | 0 | Yes |
| 4 | American Hospital | 53 | Private | 450 | 0 | Yes |
| 5 | Sacred Heart school | 23 | Private | 91 | - | QAAET |
| 6 | AMA University | 40 | Private | 300 | 9001 | QAAET |
| 7 | Ministry of Interior-Coast Guard Directorate | 61 | Govt. | 980 | 9001 | Yes |
| 8 | Ministry of Municipality-Northern | 35 | Govt. | 352 | 9001 | Yes |
| 9 | Bahrain Institute | 33 | Govt. | 384 | - | QAAET |
| 10 | GA Protection of Marine Resources Environment Section | 31 | Govt. | 408 | Under Process | Yes |
| Total | 343 |
| 3413 |
|
| |