- New Bridge Project
- Bridge Maintenance Project
- Construction Business
- Special Construction Business
- Foreign Operation
- All
- Bent construction method
- Slide method
- Lift up method
- Push up method
- Special construction method (other)
- Railway construction/Station buildings/Pedestrian decks
- Medium/Skyscraper
- General architecture
- Plant construction
- Steel tower construction
- Seismic isolation retrofit/Renovation work
- Demolition work
- PC construction


| Orderer (Original order) | Kashima construction |
|---|---|
| Construction site | Aichi |
| Construction scale | 94m |
| Construction overview | Steel tower |
| Construction year | 2006 |
| Orderer (Original order) | Rinkai Nissan Construction |
|---|---|
| Construction site | Chiba |
| Construction scale | 91m |
| Construction overview | Steel tower |
| Construction year | 2005 |


| Orderer (Original order) | Obayashi Corporation |
|---|---|
| Construction site | Aichi |
| Construction scale | 245m |
| Construction overview | Steel tower |
| Construction year | 2002 |
| Orderer (Original order) | dcc |
|---|---|
| Construction site | Tokyo |
| Construction scale | 214m |
| Construction overview | Steel tower |
| Construction year | 2000 |


| Orderer (Original order) | Nishimatsu Construction |
|---|---|
| Construction site | Kyoto |
| Construction scale | 57 pillars of seismic isolation equipment |
| Construction overview | While the school building was in use, devices were installed on the pillars on the 1st floor to provide seismic isolation. |
| Construction year | 2013 |
| Orderer (Original order) | Kashima construction |
|---|---|
| Construction site | Tokyo |
| Construction scale | 66 pillars |
| Construction overview | Government office |
| Construction year | 2011 |
| Orderer (Original order) | Kashima construction |
|---|---|
| Construction site | Tokyo |
| Construction scale | 138 pillars |
| Construction overview | Government office |
| Construction year | 2011 |
| Orderer (Original order) | Kashima construction |
|---|---|
| Construction site | Kanagawa |
| Construction scale | 40 pillars |
| Construction overview | University |
| Construction year | 2010 |
| Orderer (Original order) | Toda Construction |
|---|---|
| Construction site | Tokyo |
| Construction scale | 16 pillars |
| Construction overview | Office/Residence |
| Construction year | 2010 |


| Orderer (Original order) | Kashima construction |
|---|---|
| Construction site | Shizuoka Prefecture |
| Construction scale | 54 pillars |
| Construction overview | Government office |
| Construction year | 2009 |


| Orderer (Original order) | Taisei Construction |
|---|---|
| Construction site | Shimane |
| Construction scale | Roof 500t, slide length 32m |
| Construction overview | In 21, the plain roof was installed (slide method), and after the main shrine was renovated, it was pulled back using the same method. |
| Construction year | 2012 |
| Orderer (Original order) | Kashima construction |
|---|---|
| Construction site | Kanagawa |
| Construction scale | 8,261 t |
| Construction overview | Power plant |
| Construction year | 2009 |