| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| LOUGH NEAGH SAND TRADERS LIMITED | NI632142 | 22/10/2018 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DEW PILING LIMITED | 05848833 | 21/05/2010 | 30/10/2013 | One Red Flag |
| F K LOWRY LIMITED | NI015250 | 13/02/2007 | 30/10/2013 | Bronze |
| F K LOWRY PLANT LIMITED | NI606582 | 02/04/2012 | 30/06/2016 | Bronze |
| LAGAN CONSTRUCTION LIMITED | NI005233 | 20/02/2002 | 01/04/2004 | One Red Flag |
| LAGAN CONSTRUCTION SERVICES LIMITED | NI010673 | 01/04/2004 | 30/06/2016 | Not Trading |
| LOM MATERIALS LIMITED | NI609225 | 15/10/2012 | 30/06/2016 | Bronze |
| LOWRY PILING (IRELAND) LIMITED | NI040382 | 01/09/2010 | 30/10/2013 | Not Trading |
| ROADMIX LIMITED | NI013023 | 20/02/2002 | 01/09/2010 | Gold |
| WHITEMOUNTAIN QUARRIES LTD | NI018140 | 04/04/2006 | 01/09/2010 | Gold |