| Authorization, Registration | Registration number |
|---|---|
| Construction business | Permission no. 23701 (Special-4) Authorized by Ministry of Land, Infrastructure and Transportation |
| Electrical engineering business | Permission no. 18020 Authorized by Ministry of Economy, Trade and Industry |
| Construction consultancy business | Permission no. 10161 (Construction-01) Authorized by Ministry of Land, Infrastructure and Transportation |
| Building lots and buildings transaction business | Permission no. 8868 (2) Authorized by Ministry of Land, Infrastructure and Transportation |
| Antiquary | Permission no. 621150163204 Authorized by Osaka Metropolitan Public Safety Commission |
| Professional engineer | Land surveyor |
| 2nd class chief electrical engineer | 3rd class chief electrical engineer |
| 1st class electrical works execution manager | 2nd class electrical works execution manager |
| 1st class construction foreman | 2nd class construction foreman |
| 1st class civil engineering manager | 2nd class civil engineering manager |
| 1st class electric work specialist | 2nd class electric work specialist |
| 1st class registered architect | 2nd class registered architect |
| 2nd class Construction industry accounting clerk | Real estate transaction specialist |
* as of May 31,2023