| Environmental Development Associates Ltd | Professional & scientific | 1999 |
| Etherson Meats Limited | Manufacturing | 1983 |
| Festival of Fools Ltd | Arts & recreation | 2006 |
| Flo-Mix Ltd | Manufacturing | 2002 |
| Fred Dalzell & Partners Ltd | Real estate | 2003 |
| Friends of Drumalis | Other services | 2002 |
| Fusionworks Media Limited | Information & communication | 2003 |
| GEM Agencies Ltd | Wholesale & retail | 2015 |
| Gemat Limited | Information & communication | 2006 |
| Geoffrey Bryans & Co Ltd | Transport & logistics | 2002 |
| George Robinson Limited | Construction | 1991 |
| Girls' Brigade Northern Ireland - the | Other services | 2006 |
| Glentronics Limited | | 2004 |
| Gorsebank Enterprises Limited | Real estate | 1962 |
| Greater Whitewell Community Surgery | Health & social care | 2006 |
| Greenland Developments (UK) Limited | Construction | 2002 |
| Greystone Property Services Limited | Real estate | 2004 |
| Groundsman Industries Limited | Manufacturing | 1991 |
| GSG Homes Ltd | | 2004 |
| H Mccurdy Hamilton Limited | Administrative & support | 1937 |
| Hagans Leisure Ltd | Hospitality | 1982 |
| Hammond Insurance Consultants Limited | | 1996 |
| Hazelwood Integrated Primary School Ltd | Education | 1985 |
| Henry Graham (NI) Ltd | Real estate | 2006 |
| HFK Construction Ltd | Construction | 2005 |
| Highview Court Management (NI) Limited | Extraterritorial | 1991 |
| Hillmount Bleachgreen Limited | Real estate | 2005 |
| Holland Brothers (Engineering) Limited | Manufacturing | 1996 |
| Homes Independent Limited | Real estate | 2001 |
| Hopskip Studios Ltd | Information & communication | 2019 |
| IAN Murray & Co Ltd | Professional & scientific | 2005 |
| IBG Partnership Ltd | Other services | 2001 |
| Impress Promotional Products Ltd | Administrative & support | 2001 |
| Inspired Business Investments Limited | Professional & scientific | 2004 |
| J & E Leisure Ltd | Arts & recreation | 2007 |
| J & R Keys (Tiles) Limited | Wholesale & retail | 2003 |
| J D Hair Limited | Other services | 2007 |
| J. & T. Enterprises Limited | Wholesale & retail | 1978 |
| Jasmin Properties (NO 3) Limited | Administrative & support | 2007 |
| JFM Construction Limited | Construction | 1989 |
| Jigsaw Day Nursery Ltd | Education | 2003 |
| JMW Property (Northern Ireland) Limited | Administrative & support | 2006 |
| John Dory's Limited | Extraterritorial | 2003 |
| John Fitzgerald Specialist Joinery Ltd | Construction | 2002 |
| Johnson Brothers (NI) Limited | Administrative & support | 2003 |
| Jomar (Upvc) Ltd | Extraterritorial | 2008 |
| JV Campbell Pharmacy Ltd | Wholesale & retail | 2003 |
| Karl Airport Parking Limited | Extraterritorial | 1988 |
| Karl Construction Limited | Extraterritorial | 1975 |
| Karl Holdings Limited | Real estate | 1988 |
| Kingsgold Limited | Manufacturing | 1999 |
| Kirkinriola Early Years | Education | 2001 |
| Knockbarra Management Limited | Real estate | 1998 |
| Lafarge Roofing Limited | | 2001 |
| Larne Community Care Centre | Public administration | 1996 |
| Lester Acoustics LLP | | 2005 |
| Lisburn Opticians Limited | Health & social care | 1992 |
| Loerok Construction Limited | Construction | 2007 |
| Logans Fashions (Cloughmills) Limited | Wholesale & retail | 1999 |
| Loughbeg Garage Limited | Wholesale & retail | 2006 |
| LOW Carbon Solutions Limited | Manufacturing | 2004 |
| LW Developments (NI) Limited | Real estate | 2006 |
| Lynburn Properties Limited | Real estate | 1961 |
| M & S Blinds Ltd | Manufacturing | 2006 |
| M&S Transportation Limited | Wholesale & retail | 2025 |
| M-B Truck and Van (NI) Limited | Wholesale & retail | 1987 |
| M.F.I. Properties Limited | | 1981 |
| Macrete Ireland Limited | Manufacturing | 1979 |
| Marcus Square Developments Limited | Real estate | 2007 |
| Marlin Retail Limited | Hospitality | 2006 |
| Martin Residential Trust - the | Health & social care | 1999 |
| Mary Mcbride Ltd | Hospitality | 2006 |
| Matteson Royce Limited | Wholesale & retail | 1995 |
| Mcauley Freight Ltd | Transport & logistics | 2006 |
| Mccollum Properties Limited | Hospitality | 1994 |
| Mccombe Brothers (NI) Limited | Construction | 1990 |
| Mccready & Jordan (N.I.) Limited | Real estate | 1970 |
| Mcfarland Properties Limited | Construction | 2004 |
| Mcilveen Howard Limited | Professional & scientific | 2002 |
| Mcnicholl Limited | Professional & scientific | 2003 |
| MFI Edgware Limited | | 1982 |
| MFP Castings Limited | | 1990 |
| Miles-Ash Limited | Manufacturing | 1954 |
| Mills Selig Limited | Professional & scientific | 2009 |
| MKB Contracts Limited | Construction | 2006 |
| Monkstown Village Initiatives | Hospitality | 2007 |
| Montgomery Developments Limited | Real estate | 1981 |
| Montgomery Transport 88 Limited | Transport & logistics | 1998 |
| Montgomery Transport Limited | Transport & logistics | 1978 |
| Moore's (Cloughmills) Limited | Wholesale & retail | 1977 |
| Morgan & Stewart (Life & Pensions) Limited | | 1987 |
| Mountain ASH Property Developers Ltd | Real estate | 2004 |
| Murray Properties N.I. Limited | Real estate | 2001 |
| Myron Investments Limited | Financial services | 1961 |
| N.K. Coatings Ltd | Manufacturing | 1967 |
| National Industrial Fire and Safety Training Centre Limited-The | | 1996 |
| Nendrum Properties Ltd | Administrative & support | 2003 |
| Nhias Limited | | 2001 |
| NI Trucks Limited | Wholesale & retail | 2003 |
| North West Liquor Cash & Carry Limited | Extraterritorial | 2002 |