Alloy Artifacts |
| Company | Name and Years of Operation | ID | Factory Name and Years | Factory Address |
|---|---|---|---|---|
| 大同工機 | Daidō Kōki (1950 - 1953) | 4-33 Daikai (大開) (1950 - 1953) | 大阪市福島区大開町 4-33 | |
| 新サンダー工業 | Shin Sanda Kōgyō (1953 - ) | TK | 4-32 Daikai (大開) (1953 - ) | 大阪市福島区大開町 4-32 |