There are about 40 companies listed on DFM, most of them local UAE companies and a few from other Gulf countries with dual listings. Some of the companies allow foreigners to own their shares.
www.dfm.ae [Dubai Financial Market]

It is unique in its region because its standards are comparable to those of leading international exchanges in New York, London and Hong Kong.
www.difx.ae [Dubai International Financial Exchange (DIFX)]

Dubai Financial Market stocks and shares, information about investing in UAE securities markets in Dubai and Abu Dhabi, and other Middle East stockmarkets.
www.sharewadi.com [Share Wadi]

The Dubai Diamond Exchange is the first diamond bourse within the Arab region, serving a broader region of growing trade flows beyond the Middle East. The Exchange facilitates the trade of rough and polished diamonds in and through the region.
www.dde.ae [Dubai Diamond Exchange (DDE)]

The Dubai Mercantile Exchange Limited is a dynamic new venture, the first energy futures exchange in the Middle East. The DME is uniquely positioned to provide price transparency and market liquidity for crude oil from the world's foremost oil producing and exporting region.
www.dubaimerc.com [The Dubai Mercantile Exchange]