| ACWA Power Barka – (APBS) |
| Al Batinah Power – (BATP) |
| Al Kamil Power Company – (KPCS) |
| Al Maha Petroleum Products Marketing – (MHAS) |
| Al Oula Company SAOG – (DMGI) |
| Al Suwadi Power |
| Construction Materials Industries Co. – (CMII) |
| Flexible Industrial Packages Company – (FIPC) |
| Galfar Engineering & Contracting SAOG |
| Gulf International Chemicals Company – (GICI) |
| Gulf Plastic Industries Company – (AKPI) |
| Muscat Thread Mills Company – (MTMI) |
| National Gas Company – (NGCI) |
| Oman Chlorine Co. – (OCHL) |
| Oman Chromite Co. – (OCCI) |
| Oman Filters Industry Co. – (OFII) |
| Phoenix Power Company – (PHPC) |
| Port Services Corporation – (PSCS) |
| Renaissance Services Co. – (RNSS) |
| Salalah Port Services Co. – (SPSI) |
| Sembcorp Salalah – (SSPW) |
| Sharqiyah Desalination – (SHRQ) |
| SMN Power Holding SAOG – (SMNP) |
| Sohar Power – (SHPS) |
| United Power Co. – (UECS) |
| Voltamp Energy Co. – (VOES) |