Alloy Artifacts |
| Company (ID) | Name and Years of Operation | Factory Name and Years | Factory Address |
|---|---|---|---|
| 北陽産業 (SA) | Hokuyo Sangyō (1948 - 2002) | Yokaichi (四日市) (1948 - 1964) | 三条市大字四日市 1310 |
| Nishi Honjoji (西本成寺) (1964 - 1968) | 三条市西本成寺4144 | ||
| Higashi Honjoji (東本成寺) (1968 - 1990) | 三条市東本成寺1825 | ||
| 7-54 Doba (土場) (1985 - 2002) | 三条市土場７番５４号 |