Perfins
| No. | Town | Firms | Initials | Years | |
| 01. | Compania Internacional de Avisos | CI/DA | 1932 - 1934 | Pic | |
| 02. | Compania Oleaginosa Uruguayo Sociedad Anomia | COU/SA | 1939 - 1953 | Pic | |
| 03. | International Harvester Company | IHC | 1928 - 1961 | Pic | |
| 04. | Staudt & Cia | St&Co. | 1895 - 1899 | Pic | |
| 05. | V&C | 1885 | Pic | ||
| 06. | "Star" | 1915 | Pic | ||
| 07. | "Sun" | 1924 | Pic |
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Last update: 2019.02.24
