1997 Jul. The DIO Tamashima branch opened. (First DIO store)
1999 May. The DIO Chayamachi branch opened.
2000 Jun. The DIO Mizushima branch opened.
(First company-owned building / Establishment of the basic opening format to include fresh food)
  Nov. The DIO Okayama Nishi branch opened.
2001 Mar. The DIO Soja branch opened.
  Jun. Sales exceeded 5,000,000,000 yen.
  Jul. The head office moved from Tamashima, Kurashiki city to 704-5, Horinan, Kurashiki city.
    The central DIO branch opened.
(In retailing food we first commenced around-the-clock operations in Okayama prefecture.)
2002 Jun. Sales exceeded 10,000,000,000 yen.
2003 Dec. The LAMU Kakogawa branch was opened. (24 hours open)
(First LAMU store / First store outside Okayama)
    Our company was listed on the JASDAQ market.
(December 16 / Securities code: 2791)
2004 Apr. The LAMU Matsunaga branch opened. (24 hours open)
(First store in Hiroshima)
2005 Jun. The LAMU Sakaide branch opened. (24 hours open)
(First store in Kagawa)
  Oct. The LAMU Yasugi branch opened. (24 hours open)
(First store in Shimane)
  Nov. The LAMU Tottori branch opened. (24 hours open)
(First store in Tottori)
2006 Feb. The LAMU Sennan branch was opened.
    The Ebisuten Company, main business being consultations regarding store development, was established.
  May The Value 100 Company, a 100 yen discount food and miscellaneous daily goods store, was established.
    Our company was listed in the second section of the Tokyo Stock Exchange.
  Jun. The DIO Toyo branch opened. (24 hours open)
(First store in Ehime)
  Sep. The DIO Naruto Minami branch opened. (24 hours open)
(First store in Tokushima)
2007 May. Sales exceeded 50,000,000,000 yen.
  Jun. The LAMU Yawata opened.(First store in Kyoto)
2008 May Sales exceeded 60,000,000,000 yen.
  Aug. The DIO Tamashima branch moved, and opened in a new store. (24 hours open)
2009 May. Sales exceeded 70,000,000,000 yen.
2010 May The LAMU Mizumaki branch opened.(24 hours open)(First store in Fukuoka)
    Sales exceeded 80,000,000,000 yen.
  Jul. The Okayama Distribution center moved from Nadasaki, Minami-ku Okayama city to Akaiwa city.
  Sep. The DIO Kurashiki branch renewal opened.
  Dec. The DIO Hofuminami branch opened. (24 hours open)(First store in Yamaguchi)
2011 May. The LAMU Kyobate branch opened. (24 hours open)(First store in Nara)
2012 May. The LAMU Echizen branch opened. (Fukui)(First store in Fukui)
  Jun. Our company was listed in the first section of the Tokyo Stock Exchange.
  Jul. The LAMUMART Okayamanoda branch opened. (Okayama)(First LAMUMART store)
2013 May. The DIO Wakayamakita branch opened. (24 hours open/Wakayama)
(First store in Wakayama)
  Jun. The LAMU Kusatsu branch opened. (24 hours open/Shiga)(First store in Shiga)
  October LAMU Yokkaichi Branch opened in Yokkaichi City, Mie Prefecture.
(The 1st store in Mie Prefecture)
2014 October LAMU Ogaki Branch opened in Ogaki City, Gifu Prefecture.
(The 1st store in Gifu Prefecture)
2015 April Relocation of the Kansai Distribution Center (Kansai DC) to the Konohana Ward, Osaka City
  May Rebuilding of the Chugoku Distribution RM Center in Soja City,
Okayama Prefecture to start Okayama Chilled TC, Perishable Food PC, and food manufacturing
  June LAMU Tsubata Branch opened in Tsubata Town, Kahoku County, Ishikawa Prefecture.
(The 1st store in Ishikawa Prefecture)
  December LAMU Toyohashi Branch opened in Toyohashi City, Aichi Prefecture.
(The 1st store in Aichi Prefecture)
2016 February Relocation of the Chugoku DC to the Chugoku Distribution RM Center in Soja City, Okayama Prefecture
  July Construction of a cold storage building at the Chugoku Distribution RM Center in Soja City,
Okayama Prefecture to start Chugoku Frozen DC
  December Establishment of the Setouchi Maple Farm Company for the dairy farming business
(100% investment ratio)
2017 April Consolidated subsidiary, Nishigen Company, opened LAMU Nagaoka Atago Branch in Nagaoka City,
Niigata Prefecture. (The 1st store in Niigata Prefecture)
  May Achieved 150 billion yen annual sales