| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COURT FINANCE LIMITED | NI015998 | 14/12/1999 | Silver |
| DATACNI LIMITED | NI616372 | 11/07/2024 | Silver |
| GIBSON (BANBRIDGE) LIMITED | NI010838 | 22/03/2000 | Gold |
| GIBSON BROS LIMITED | NI019852 | 22/03/2000 | Gold |
| GIBSON POWER LIMITED | NI702836 | 09/10/2023 | Bronze |
| GIBSON PROPERTIES LIMITED | NI019480 | 22/03/2000 | Amber |
| GIBSON QUARRIES (BANBRIDGE) LIMITED | NI012521 | 22/03/2000 | Gold |
| M P COLEMAN LIMITED | NI678728 | 22/04/2021 | Silver |
| T. H. MOORE (CONTRACTS) LTD | NI030516 | 20/02/1996 | Gold |
| W.A.C. MCCANDLESS (ENGINEERS) LIMITED | NI005177 | 06/04/2000 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| INSTITUTE OF QUARRYING(THE) | 00606601 | 03/05/2012 | 16/05/2014 | One Red Flag |