History

1942	MURAIDENKI CO., LTD. established (capital: 195,000 yen)
1952	Capital increased to 2 million yen
1962	Capital increased to 18 million yen
1973	Sendai Branch opened
1978	Kumamoto Branch opened
1982	Capital increased to 36 million yen
1987	Construction of new building of Head Office (Akihabara Murai Bldg.) completed
1991	Akita Branch opened
2002	Kansai Branch opened
2003	ISO9001:2000 certified ISO14001:1996 certified
2005	ISO14001：2004 renewal
2007	Capital increased to 50 million yen
2010	ISO9001:2008 renewal
2018	ISO9001:2015 certified ISO14001:2015 certified