- Abu Dhabi National Oil Co.
- Abu Hani Group
- Addirham
- Adlife Hospitals
- Al Adrak Trading & Contracting
- Al Ghalbi Engineering & Construction Co.
- Al Haditha Petroleum Co SAOC
- Al Hashar Group
- Al Hayat International Hospital
- Al Jassar Group
- Al Khalili Group of Companies
- Al Madina Takaful SAOG
- Al Moosa Group
- Al Naba Services
- Al Nama Poultry
- Al Rakaib Training LLC
- Al Saffa Poultry
- Al Shanfari Group
- Al Siyabi Group of Companies
- Al Tasnim Enterprises
- Al Thabat Holding LLC
- Alfellaj Hotel
- Apollo Hospital Oman
- Arabian Industries
- Asia Express Exchange
- Atyab Investments Group
- Bahwan Engineering Group
- Bahwan International Holding Group
- Bank Beirut
- Bank Muscat SAOG
- Berkeley Al Ghrimeel Engineering Consultancy Co.
- Bin Mirza Group
- Capital Drilling Limited
- Capital Drilling Limited (OMAN)
- Centre for British Teachers LLC
- CHIC by Sisters
- Crowe Oman
- Drake & Scull International LLC (OHI Group)
- Duqm SEZAD
- Easa Al Saleh (AL GURG)
- Easa Saleh Al Gurg Group of Companies
- Enhance Oman
- Eva Clinic
- Farab-Nardis Co. FNC
- Fisheries Development of Oman
- Ghaida Al Mukhaini & Her Partner Trading Co LLC
- Grand Blue City Development (GBC)
- Green Ferro Alloy FZC
- Gulf Agency Company LLC
- Gulf Mining Group
- Haffa House Hotel (Shanfari Group)
- Haya Water
- Intech LLC
- JGC Corporation - Japan (Bahwan Holding Group JV Company)
- Kapico Group Kuwait
- KOC Kuwait
- KONE - Oman
- KPMG
- Kuwait Flour Mills
- Landmark International LLC
- Mazoon Dairy Co. SAOC
- MHD AVON
- Ministry of Defence
- Ministry of Manpower
- Ministry of Social Affairs
- Moon Iron & Steel Company SAOC
- Moosa Abdul Rahman Hassan
- Muscat BAY
- Muscat Fertilizer Co. LLC
- Muscat Finance SAOG
- Muscat Media Group
- Muscat Overseas Group
- Mustafa Sultan Enterprises LLC
- NABIL SAOG
- Nakhal Ahlia Investment Company SAOC
- National Drilling Co.
- National Gas Co. SAOG
- National Life & General Insurance Co. SAOG
- Nestle Oman LLC
- NJS Consultants Oman LLC
- Oasis Energy LLC
- OHI Group of Companies
- OIFC
- Oman Data Park LLC
- Oman Flour Mills Co. SAOG
- Oman International Bank SAOG
- Oman International Container Terminal LLC
- Oman LNG
- Oman National Engineering & Investment Co. SAOG
- Oman National Transport Co.
- Oman Porcelain Co. SAOC
- Oman Refreshment Co. SAOG
- OmanExpo – SABCO
- One Stop Solution
- Osool Poultry Co. SAOC
- PEC International LLC
- Port of Duqm
- Qatar Telecom (Q-Tel)
- Redington Gulf FZC Middle East Region
- REMAX LLC
- Renaissance Services SAOG
- Renna Mobile Oman
- Sagar Polyclinic
- Salam Stores
- SANDAN
- Saraya Bandar Al Jissah (Muscat Bay)
- Sayyar Group
- Scan Electromechanical Co. LLC
- Semb Jinko Shine SAOC
- Sharqiyah University
- Smart Outsourcing Solutions Doha, Qatar
- Spinneys Dubai LLC
- Starcare Hospital Muscat
- Suhail Bahwan Group
- Sultan Qaboos Port Authority
- Sultan Telecom Kuwait
- Tageer Finance Oman
- Takaful Insurance Co. SAOG Oman
- Tatweer Duqm
- Towell Group
- Trust Travel & Tourism Company
- Voltamp Oman
- Zubair Group of Companies