| 5S Supply Ltd | Wholesale & retail | 2009 |
| Ballymena Construction Company Limited | Extraterritorial | 1943 |
| BC Family Butchers Ltd | Wholesale & retail | 2018 |
| Beckett Construction Solutions Limited | Extraterritorial | 1946 |
| Brook Plastics & Engineering Limited | Manufacturing | 1989 |
| Brook Vent Holdings Limited | Professional & scientific | 2005 |
| Brook Vent Manufacturing Limited | Professional & scientific | 1997 |
| Camino Mobile Ltd | Information & communication | 2016 |
| Carrickfin Trading Ltd | Financial services | 2014 |
| Connect Executive Travel Ltd | Administrative & support | 2022 |
| Cubis Systems Limited | Manufacturing | 2022 |
| Dark Stranger Ltd | Wholesale & retail | 2020 |
| Dunellen Group Limited | Real estate | 2010 |
| ETD Contracts Ltd | Construction | 2025 |
| Glenburn Estates Ltd. | Construction | 2017 |
| Henry R. Ayton Holdings Limited | Wholesale & retail | 1988 |
| Henry R. Ayton Limited | Wholesale & retail | 1936 |
| Hewden Plant Hire Limited | | 1994 |
| JK Autoking Limited | Wholesale & retail | 2023 |
| Kanes Rentals Ltd | Real estate | 2014 |
| Leak Detection Services NI Ltd | Water & waste | 2020 |
| LR Tennis Ltd | Arts & recreation | 2016 |
| Manor House Trading Ltd | Hospitality | 2015 |
| Marshall Taxi's Ltd | Transport & logistics | 2014 |
| Materials Testing Limited | Construction | 1978 |
| MCK Company Services Ltd | Professional & scientific | 2014 |
| Moffett and Sons Limited | Manufacturing | 1946 |
| Natural World Products Limited | Water & waste | 1989 |
| Northern Ireland Fruit & Vegetable Centre (Wholesale) Limited | Real estate | 1972 |
| Nulife Engineering Ltd | Manufacturing | 2000 |
| Play Joeski Limited | Arts & recreation | 2024 |
| PPS 2015 Ltd | Real estate | 2015 |
| Ready Mixed Concrete (Ulster) Limited | | 1965 |
| Ready USE Concrete Co. Limited | Extraterritorial | 1955 |
| S.I.A. (Agencies) Limited | Wholesale & retail | 1960 |
| Scott (Toomebridge) Limited | Extraterritorial | 1958 |
| SF Property and Development Limited | Other services | 2015 |
| Softsign (U.K.) Ltd | Information & communication | 2000 |
| Star Instruments Limited | Manufacturing | 2003 |
| THE Dunny Store Limited | Wholesale & retail | 2021 |
| THRE360 Group Ltd | Construction | 2019 |
| Verditect Limited | Wholesale & retail | 2026 |