| DUNN & COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Dunn & Company Limited | Private company limited by shares | Dissolved |
| M & J DUNN LIMITED | Private company limited by shares | Live |
| DUNN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Dunn Investments Limited | Private company limited by shares | Live |
| WALTER DUNN & COMPANY LIMITED | Private company limited by shares | Dissolved |
| Dunn Dunn Wine Limited | Private company limited by shares | Live |
| Dunne & Company Limited | Private company limited by shares | Live |
| DUNNE & ASSOCIATES, LIMITED | Private company limited by shares | Dissolved |
| SANSON DUNNE ASTREN LIMITED | Private company limited by shares | Dissolved |
| DUNNE-SPENCER LIMITED | Private company limited by shares | Live |
| DUNNET INTERNATIONAL ENGINEERING PERSONNEL LIMITED | Private company limited by shares | Dissolved |
| DUNNFIT LIMITED | Private company limited by shares | Dissolved |
| China Wisdom dunnhumby Limited | Private company limited by shares | Live |
| DUNNIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DUNNICK HILL LIMITED | Private company limited by shares | Dissolved |
| DUNNING LIMITED | Private company limited by shares | Live |
| DUNNING AND ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| DUNNING AND ASSOCIATES (CANADA) LIMITED | Private company limited by shares | Dissolved |
| DUNNING HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| DUNNING (I.G.D.) & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| DUNNING INDUSTRIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| P.P. DUNNING AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Dunno International Trading Co., Limited | | Live |
| DUNNOCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| HANDSOME DUNNUT LIMITED | Private company limited by shares | Live |