| 21CF | 21st Century Fox | |
| 2BV | Stock symbol for Brightcove Inc. (Frankfort Stock Exchange) | |
| 2DM | 2Degrees Mobile | |
| 2II | ITT Inc | |
| 2NT | Second National Tour | |
| 2TG | 2 Temple Gardens | |
| 3-m | Minnesota Mining and Manufacturing | |
| 3BG | 3 Bald Guys | |
| 3LF | 3 Leaf Fabrication | |
| 3M | Minnesota Mining and Manufacturing | |
| 3M | Minnesota Mining and Manufacturing Company | |
| 3PE | Third Party Engineering | |
| 3PU | Primary Products Promotions Unit | |
| 3PU | Pure Power Products Unit | |
| 3RB | Three Raymond Buildings | |
| 3RCC | Three Rivers Computer Corporation | |
| 4 & 20 | Australian Meat Pie Company | |
| 4PL | Fourth Party Logistic Service Provider | |
| 4WM | 4th Wall Marketing | |
| 4WP | 4 Wheel Parts | |
| 6W 1H | What Who When Where Why Which How | |
| 7-11 | Seven Eleven | |
| 711 | 7-Eleven | |
| 8CC | Eight Circuit Creation | |
| 8DP | 8D Productions | |
