The company , considered one of Japan 's mid-tier zenekon ( general contractors ) by the 1990s , went bankrupt in 2001 .
The company , merged with Asunaro Construction in 2004 .
The company , considered one of Japan 's mid-tier zenekon ( general contractors ) by the 1990s , went bankrupt in 2001 and merged with Asunaro Construction in 2004 .