| Type | Category | Name |
| a.k.a. | strong | RYUNGSENG TRADING CORPORATION |
| a.k.a. | strong | RYUNG SENG TRADING CORPORATION |
| a.k.a. | strong | RYUNGSONG TRADING CORPORATION |
| a.k.a. | strong | KOREA KURYONGGANG TRADING CORPORATION |
| a.k.a. | strong | SECOND ACADEMY OF NATURAL SCIENCES FOREIGN AFFAIRS BUREAU |
| a.k.a. | strong | KOREA KUWOLSAN TRADING CORPORATION |
| a.k.a. | strong | KOREA RYENHAP 2 TRADING CORPORATION |