| INIGO JONES AND CO. LIMITED | Glass, ceramics, cement and stone | 1959 | Total exemption (full) |
| D. M. M. ENGINEERING LIMITED | Other manufacturing | 1982 | Full accounts |
| ROBERTS OF PORT DINORWIC LIMITED | Food products | 1985 | Medium company accounts |
| DMMWALES GROUP LIMITED | Other manufacturing | 1995 | Group accounts |
| BEE ROBOTICS LIMITED | Electrical equipment | 1999 | Total exemption (full) |
| G.N.H. AGRI LIMITED | Machinery and equipment | 2000 | Total exemption (full) |
| AXIS PRECISION LIMITED | Fabricated metal products | 2001 | Total exemption (full) |
| IAQ LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| AMDRO LIMITED | Motor vehicles and parts | 2004 | Total exemption (full) |
| PHYTOVATION LIMITED | Pharmaceuticals | 2004 | Total exemption (full) |
| CASTLE MARINE LIMITED | Machinery and equipment | 2005 | Total exemption (full) |
| BRUNSWICK IRONWORKS LIMITED | Fabricated metal products | 2006 | Total exemption (full) |
| MENAI TRACTORS LTD | Repair and installation of machinery | 2007 | Total exemption (full) |
| WELCOME FURNITURE LTD. | Furniture | 2008 | Full accounts |
| MENAI POWDER COATING LTD | Fabricated metal products | 2009 | Total exemption (full) |
| WELCOME HOLDINGS LIMITED | Furniture | 2009 | Full accounts |