| A Johnston Holdings Ltd | Financial services | 2021 |
| A.D. Pottie & Co Ltd | Professional & scientific | 2007 |
| AC Engineering (Magherafelt) Ltd | Manufacturing | 2010 |
| Annek (INT.) Ltd | Construction | 2013 |
| AR Johnston NI Ltd | Arts & recreation | 2021 |
| Ballyness Farm Ltd | Agriculture & fishing | 2023 |
| Blasta Cafe Ltd | Hospitality | 2026 |
| Brian Coulter Services Ltd | Other services | 2021 |
| Cassidy Windows Ltd | Construction | 2019 |
| Castletown Brae Management Company Ltd | Households | 2024 |
| Chieftan Energy Limited | Professional & scientific | 2024 |
| Chieftan Homes (IRL) Limited | Construction | 2014 |
| Chieftan Homes Limited | Real estate | 2005 |
| Chieftan Properties Limited | Real estate | 2005 |
| Chieftan Services Ltd | Professional & scientific | 2019 |
| Chippin Fintona Ltd | Hospitality | 2026 |
| Churchview Farm Limited | Agriculture & fishing | 2007 |
| Clarvan Plastics Ltd | Manufacturing | 2014 |
| Clonelly Farms Ltd | Agriculture & fishing | 2017 |
| Country Stone (Derryheally) Ltd | Construction | 2012 |
| Crafter Homes Limited | Construction | 2019 |
| D M Specialist Roofing Ltd | Construction | 2006 |
| DC Hydraulics Ltd | Administrative & support | 2018 |
| Delcom Cable Installations Ltd | Construction | 2022 |
| Denamona Holdings Ltd | Financial services | 2023 |
| Donnelly Enterprises Ltd | Information & communication | 2017 |
| Dublin Road Homes Ltd | Construction | 2017 |
| Ecclesgreen Limited | Energy | 2013 |
| Edenmore Homes Ltd | Construction | 2019 |
| Eskragh Limited | Construction | 2015 |
| Fintona Regeneration Initiative Limited | Other services | 1995 |
| Genesis Aerotech Limited | Manufacturing | 2016 |
| GR Contracts Tyrone Ltd | Construction | 2022 |
| GRA Media Ltd | Information & communication | 2022 |
| GRÁ Films Ltd | Information & communication | 2022 |
| Jahnvi Cardiomedics Ltd | Administrative & support | 2017 |
| Johnston Bros Ltd | Manufacturing | 2023 |
| Jpwg Reporting Ltd | Health & social care | 2019 |
| Kelecco Ltd | Other services | 2021 |
| Lakeland Bikes Limited | Wholesale & retail | 2011 |
| Linen Park Limited | Construction | 2015 |
| Lipsett Holdings | Extraterritorial | 2012 |
| Lisdergan Butchery Ltd | Wholesale & retail | 2019 |
| Lisdergan Engineering Ltd | Professional & scientific | 2018 |
| Lisdergan Properties Ltd | Real estate | 2020 |
| London Skin Laboratory Ltd | Wholesale & retail | 2015 |
| M Kelly Electrical Ltd | Construction | 2022 |
| M&N Cochrane Property Ltd | Real estate | 2020 |
| Manifest Fellowship NI Ltd | Other services | 2022 |
| Mcelroy Drilling Ltd | Construction | 2008 |
| Mcfarland Group Limited | Financial services | 2019 |
| Mckenna Agri Supplies Ltd | Manufacturing | 2017 |
| Mckernaghan Consultancy Services Ltd | Professional & scientific | 2007 |
| MCP Hire Ltd | Construction | 2021 |
| Mcshane Property Ltd | Real estate | 2024 |
| MD Butchers Ltd | Wholesale & retail | 2024 |
| Merimed Limited | Health & social care | 2010 |
| MK Surface Treatment Ltd | Construction | 2006 |
| Mkpe Ltd | Professional & scientific | 2018 |
| Moylagh Meadows Limited | Construction | 2015 |
| NDS Ireland Ltd | Manufacturing | 2018 |
| Nexus Power (O & M) Ltd | Construction | 2018 |
| PPH Plant Leasing Limited | Other services | 2015 |
| Purkinje PVT Ltd | Health & social care | 2023 |
| R Cathers & Co Ltd | Professional & scientific | 2017 |
| Reber Properties Ltd | Real estate | 2020 |
| Scout Property and Investments Limited | Real estate | 2024 |
| Seskinore Ltd | Construction | 2018 |
| Simige Limited | Construction | 2022 |
| Sperrin Wind Ltd | Energy | 2015 |
| Station House Apartments Management Company Ltd | Households | 2022 |
| T. Mcfarland Agri Limited | Manufacturing | 2019 |
| TOM Mcmanus Plant Hire Ltd | Construction | 2005 |
| Trax Machinery Ltd | Manufacturing | 2025 |
| Vision Estates Limited | Construction | 1999 |
| WJI Properties Ltd | Real estate | 2025 |
| Yellow Road Holdings Ltd | Construction | 2018 |