| Company Name | ZCODE | As Of | Market | Industry | GCC | Foreign |
| A'Sharqiya Investment Holding Company | SIHC.MSM | 14-Dec-2009 | Muscat SM | Financial Services | 100% | 49% |
| A'ayan Leasing and Investment Company | AAYAN.KSE | 03-Mar-2010 | Kuwait SE | Financial Services | 100% | 100% |
| A'ayan Real Estate Company | AAYANRE.KSE | 03-Mar-2010 | Kuwait SE | Real Estate | 100% | 100% |
| ACE Arabia Cooperative Insurance | 8240.SSE | 02-Mar-2010 | Saudi SE | Financial Services | 100% | 49% |
| ACICO Industries Company | ACICO.KSE | 02-Sep-2010 | Kuwait SE | Industrial Manufacturing | 100% | 100% |
| ACWA Power Barka | APBS.MSM | 28-Mar-2008 | Muscat SM | Power and Utilities | 100% | 70% |
| AJWA for Food Industries - Middle East | AJWA.CASE | 01-Dec-2009 | Egypt SE | Food and Beverages | n/a | 100% |
| ALAFCO Aviation Lease and Finance Company | ALAFCO.KSE | 03-Mar-2010 | Kuwait SE | Transport | 100% | 100% |
| ALARGAN International Real Estate Company | ARGAN.KSE | 03-Mar-2010 | Kuwait SE | Real Estate | 100% | 100% |
| ALDAR Properties | ALDAR.ADSM | 22-Dec-2009 | Abu Dhabi SE | Real Estate | 40% | 40% |
| AREF Energy Holding Company | AREFENRGY.KSE | 03-Mar-2010 | Kuwait SE | Financial Services | 100% | 100% |
| AREF Investment Group | AIG.KSE | 03-Mar-2010 | Kuwait SE | Financial Services | 100% | 100% |
| ASEC Company for Mining – ASCOM | ASCM.CASE | 01-Dec-2009 | Egypt SE | Mining and Metals | n/a | 100% |
| AXA Cooperative Insurance Company | 8250.SSE | 29-Dec-2009 | Saudi SE | Financial Services | 100% | 49% |
| Aamal Company | AHCS.DSM | 30-Dec-2009 | Qatar SE | Industrial Manufacturing | 25% | 49% |
| Abdullah Abdul Mohsin Al Khodari Sons Company | 1330.SSE | 13-Jan-2011 | Saudi SE | Construction | 100% | 49% |
| Abdullah Al Othaim Markets Company | 4001.SSE | 02-Mar-2010 | Saudi SE | Retail | 100% | 49% |
| Abrasives Manufacturing Company | ABMI.MSM | 18-Aug-2008 | Muscat SM | Industrial Manufacturing | 100% | 49% |
| Abu Dhabi Aviation | ADAVIATION.ADSM | 22-Dec-2009 | Abu Dhabi SE | Transport | 0% | 0% |
| Abu Dhabi Commercial Bank | ADCB.ADSM | 22-Dec-2009 | Abu Dhabi SE | Financial Services | 49% | 49% |
| Abu Dhabi Islamic Bank | ADIB.ADSM | 22-Dec-2009 | Abu Dhabi SE | Financial Services | 0% | 0% |
| Abu Dhabi National Company for Building Materials | BILDCO.ADSM | 23-Dec-2009 | Abu Dhabi SE | Industrial Manufacturing | 25% | 25% |
| Abu Dhabi National Energy Company | TAQA.ADSM | 23-Dec-2009 | Abu Dhabi SE | Power and Utilities | 0% | 0% |
| Abu Dhabi National Hotels | ADNH.ADSM | 23-Dec-2009 | Abu Dhabi SE | Leisure and Tourism | 25% | 25% |
| Abu Dhabi National Insurance Company | ADNIC.ADSM | 23-Dec-2009 | Abu Dhabi SE | Financial Services | 49% | 25% |