May,1970
|
|
Founded building comprehensive management industry in Tokyo Tachikawa Hagoromo-cho |
|
July,1980
|
|
Ministry of Health and Welfare ring No. 367 "air environmental measurement," "water storage tank cleaning" is subject to specified the Minister of Health and Welfare designation trader |
|
June,1983
|
|
Receive from Tokyo Public Safety Commission certification of "security industry" |
|
May,2000
|
|
ISO 9001(2000) certification |
|
September,2001
|
|
Receive a registration permission of "fire-fighting equipment business" than Tokyo Fire Department |
|
January,2004
|
|
Opened Shonan branches in Chigasaki |
|