Denis O'Brien

Digicel Group Ltd. engages in the provision of mobile telecommunication services to retail, corporate, and government customers. It offers a range of products through the following business divisions: Mobile, Business Solutions, Home Entertainment, and Live Streaming. The company was founded by Denis P. O'Brien in October 2000 and is headquartered in Kingston, Jamaica.

Digicel Pacific Ltd. engages in the provision of mobile communications services. The company was founded in 2006 and is headquartered in Port Moresby, Papua New Guinea.

Bank of Ireland provides banking and financial services. It operates through the following segments: Retail Ireland, Bank of Ireland Life, Retail UK, Corporate & Treasury and Group Centre and Other. The Retail Ireland segment offers a comprehensive range of banking products and related financial services to the personal and business markets including deposits, mortgages, consumer and business lending, credit cards, current accounts, money transmission services, commercial finance, asset finance and general insurance. It serves customers through a distribution network of branches, central support teams, ATMs and through direct channels. The Bank of Ireland Life segment includes the wholly owned subsidiary, New Ireland Assurance Co., through which the group offers a wide range of pension and life products, including life assurance, life protection, pensions and investment products to the Irish market. The Retail UK segment comprises consumer and business banking via a branch network in Northern Ireland, its UK residential mortgage business, and the business partnerships with the UK Post Office. The Corporate & Treasury segment comprises the group's corporate banking and global markets activities across the Republic of Ireland, UK and international jurisdictions. The Group Centre and Other segment is responsible for delivering services to each division and includes group manufacturing, group finance, group credit and market risk, group governance risk, and group human resources. The company was founded in 1783 and is headquartered in Dublin, Ireland.

Communicorp Group Ltd. owns and operates various media channels. The firm offers radio stations which cover a diverse range of interests and formats including Hot AC, CHR, National Pop, News, Jazz, Dance, Country, and R&B. The company was founded by Denis O'Brien in 1989 and is headquartered in Dublin, Ireland.

Detica Group Holdings (Ireland) Ltd. provides financial crime prevention and regulatory compliance softwares. The company softwares will used in money laundering, card fraud, identity theft, market abuse, terrorist financing and the illegal transfer of funds. The company was founded by Paul Kerley in 1998 and is headquartered in Dublin, Ireland.

Prime Active Capital Plc manages a portfolio of acquired companies. It specializes in major capital market transactions, optimal debt to equity structures, corporate turnaround, financing and refinancing, supply chain management and strategic procurement, cost management and business re-structuring. The company was founded in 1998 and is headquartered in Dublin, Ireland.

Topaz Energy Group Ltd. provides commercial fuels, lubricants and home heating oils. It owns oil importation facilities in Dublin, Cork, Limerick, Galway, Derry and Greenore, as well as local distribution depots geographically spread across Ireland. The firm also supplies gasoline, diesel, kerosene, fuel oil and lubricants into all market sectors, both directly and through a countrywide network of authorized distributors. The company was founded in 2005 and is headquartered in Dublin, Ireland.