| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Contract Chemicals (Gloucester) Ltd | 03574493 | 22/06/1998 | Dissolved |
| Contract Chemicals (Leeds) Ltd | 03055640 | 01/07/1995 | Dissolved |
| Contract Chemicals (Warrington) Ltd | 01755292 | 29/12/1992 | Dissolved |
| Foodie Heaven Ltd | 04946201 | 28/10/2003 | Dissolved |
| Holbrook Engineering Ltd | 02071183 | 29/12/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHEMICAL INDUSTRIES ASSOCIATION LIMITED | 00860702 | 19/11/1998 | 29/01/2020 | Gold |
| CHEMICALS NORTHWEST LIMITED | 03873806 | 22/01/2007 | 20/12/2010 | Silver |
| ROBINSON BROTHERS LIMITED | 00201053 | 04/02/2004 | 20/12/2017 | Bronze |