Perfins
| No. | Town | Firms | Initials | Years | |
|---|---|---|---|---|---|
| 01. | Bangkok | MT - Ministry of Interior-Thai | "Hieroglyph" | Pic | |
| 02. | Bangkok | A. Markwald & Co. | A.M./&Co | Pic | |
| 03. | Asiatic Petroleum Co. | A.P.C | Pic | ||
| 04. | Bangkok | Bombay-Burma Trading Co. | BB/C | Pic | |
| 05. | Bangkok | Chartered Bank of India, Australia & China | CBI | Pic | |
| 06. | Bangkok | East Asiatic Co. | E.A.C. | Pic | |
| 07. | Bangkok | Hong Kong & Shanghai Banking Corp. | HS/BC | Pic | |
| 08. | Ramsay & Co. | R&Co | Pic | ||
| 09. | Socony Vacuum Oil Co. | SV/OC | Pic |
Last update: 2016.12.18
