IHC to list three subsidiaries on ADX Second Market in Q2 07 May 2021 Investors monitor screens, displaying stock information, at the Abu Dhabi Securities Exchange. File/Reuters Three subsidiaries of Abu Dhabi Securities Exchange (ADX)-listed International Holding Company (IHC) will be listed on the exchange’s Second Market commencing in second quarter of 2021. The listing will create an attractive opportunity for current and new investors to take part in the growth of the companies, as well as benefitting IHC as a result of increased profile raising and higher visibility from these companies. Emirates Stallion Group is one of IHC’s subsidiaries and has a diversified portfolio of businesses across engineering and construction, development and management of real estate and public realms and associated services.