| Killeen Hardware Inc Hillocks | Wholesale & retail | 2006 |
| Kilmore Meats Limited | Agriculture & fishing | 2007 |
| Kingspan Environmental & Renewables Limited | Financial services | 1990 |
| Kingspan Water & Energy Limited | Manufacturing | 1984 |
| Knocknashane Construction Limited | Construction | 1983 |
| KWM Electrical Ltd | Construction | 2006 |
| Kylemore Developments Limited | Extraterritorial | 2006 |
| Laurendale Properties Ltd | Administrative & support | 2006 |
| Little Acorns Playgroup, Derrynoose | Education | 2006 |
| Little Dormant Ltd | Manufacturing | 1983 |
| Manderley Properties (Developments) Limited | Real estate | 2008 |
| Markethill Sand & Gravel Limited | Transport & logistics | 2008 |
| Markey Properties Ltd | Real estate | 2006 |
| Mason's Animal Feeds Ltd | Manufacturing | 2004 |
| Mcanerney Brothers Limited | Wholesale & retail | 1937 |
| Mcconville Construction Ltd | Wholesale & retail | 2004 |
| Mcgeown Haulage Ltd | Wholesale & retail | 2001 |
| Mcginn Properties Ltd. | Real estate | 2002 |
| Mcwilliams Car Sales Limited | Wholesale & retail | 2004 |
| Mid-Ulster Granite & Stone Co. Limited | Manufacturing | 1964 |
| Molloy Metals Ltd | Water & waste | 2008 |
| Moorefield Management Consultancy Ltd | Professional & scientific | 2003 |
| Motor Vehicle Transportation Limited | Transport & logistics | 2002 |
| Moulded Pulp Products Limited | Professional & scientific | 1959 |
| Murphy Bros. (Forkhill) Limited | Wholesale & retail | 1986 |
| Murray Tyres Limited | Wholesale & retail | 2006 |
| Nugent & Gibney Limited | Wholesale & retail | 1976 |
| Old Park Foods Limited | Hospitality | 1988 |
| Orchard Mushrooms Ltd | Agriculture & fishing | 2006 |
| Oriada Limited | Real estate | 1993 |
| P & D Refurbishing Limited | Wholesale & retail | 2002 |
| P & W Home Improvements Limited | | 2007 |
| Peacefield Estates Limited | Administrative & support | 1963 |
| Pedlow Transport Limited | Transport & logistics | 1996 |
| Period Homes (NI) Ltd | Wholesale & retail | 2004 |
| Phase 2 Property Limited | Extraterritorial | 2006 |
| PJ O'Neill Ltd | Information & communication | 2006 |
| Portadown Integrated Primary School Ltd | Education | 1990 |
| Portagas Ltd | Wholesale & retail | 2003 |
| Precision Financial Planning Limited | Financial services | 2001 |
| Primary Metal Supplies Limited | | 2006 |
| R. Thompson & SON (Armagh) Limited | Wholesale & retail | 1967 |
| Rapid International Limited | Manufacturing | 1979 |
| Reen Compost Limited | Agriculture & fishing | 1989 |
| Rice's Supermarket Limited | Wholesale & retail | 2002 |
| Richhill Waste Disposal Limited | Water & waste | 1996 |
| Robert Clarke (Keady) Limited | Agriculture & fishing | 1961 |
| S G Curry Limited | Mining & quarrying | 2001 |
| S. & Z. Developments Limited | Construction | 2001 |
| S. and E. Jameson and Sons Limited | Real estate | 2007 |
| Scotwell House Limited | Education | 2004 |
| Shanmar Ltd | Construction | 2002 |
| Shelbourne Motors Limited | Administrative & support | 1986 |
| Silverwood Service Station Limited | Wholesale & retail | 2002 |
| ST. Patrick's Educational Trust Limited | Other services | 1988 |
| Stonehatch Ltd | Real estate | 1936 |
| Stramore Estates Limited | Extraterritorial | 2006 |
| T & a Limited | Manufacturing | 2009 |
| T Heatrick (Contracts) Limited | Manufacturing | 1986 |
| T&F O'Callaghan Ltd | Construction | 2007 |
| T. Tate & SON (Transport) Ltd | Transport & logistics | 2003 |
| T.T. Plastics Limited | Professional & scientific | 1986 |
| Tandragee Developments (Castle Demesne) Limited | Real estate | 2008 |
| Tandragee Developments (Yard) Limited | Real estate | 2008 |
| Tandragee Developments Limited | Administrative & support | 1955 |
| Taranto DE POL Limited | Construction | 1989 |
| Tayto (N.I.) Limited | Manufacturing | 1956 |
| THE Pastry Works Ltd | Wholesale & retail | 2009 |
| THE Railway Bar (Lurgan) Limited | Hospitality | 2006 |
| Thomas Hyde & Sons Limited | | 1958 |
| Timakeel Property Services Limited | Administrative & support | 1991 |
| Toal Truck Services Ltd | Wholesale & retail | 2003 |
| Ulster Carpet Mills (Holdings) Limited | Manufacturing | 1938 |
| Uprichard Developments Limited | | 2001 |
| Urban Formations Ltd | Professional & scientific | 2018 |
| W Smyth Accident Repair Centre Ltd | Manufacturing | 2006 |
| Wade Training Limited | | 1993 |
| Wilson's Country Limited | Energy | 1991 |
| Wonder Ventures PVT Ltd | Wholesale & retail | 2024 |
| Woodwin (Catering) Limited | Administrative & support | 1983 |