| 1917 | Mar-25 | The founder Kikushiro Oe was born. |
| 1947 | Jun-1 | Kikushiro Oe founded “Ohe Denki Zairyobu” at 2-47 Obashimachi Minami-ku, Yokohama. |
| 1949 | Apr | Headquarters moved to 1-5 Maesatocyo Minamiku, Yokohama. |
| 1951 | Jan | Reorganized into a joint-stock company “Ohe Denki Shoukai”. |
| 1955 | Sep | Ohe Electric Corporation established. (capital: 1.5 million yen) |
| 1959 | Sep | Made a exclusive distribution agreement with Toshiba corporation. Philosophy “Honesty”. |
| 1966 | Apr | Kawasaki office opened. |
| 1967 | Nov | Constraction plan1 of the headquarter completed. Headquarters moved to 1-9 Maesatocyo Minami-ku, Yokohama. |
| 1969 | Apr | Shonan office opened. |
| 1971 | Apr | Mitsumasa Oe joined the company. |
| 1971 | Jun | Yokosuka office opened. |
| 1971 | Nov | Constraction plan2 of the headquarter completed. |
| 1972 | May | Celebration of 25th founding anniversary. |
| 1985 | Jul | Introduced IBM System/36. |
| 1985 | Sep | Capital participation by Tokyo Small and Medium Business Investment ＆ Consultation Co.,Ltd. |
| 1985 | Sep-19 | Kanazawa office opened. |
| 1987 | May | Kikushiro Oe become the chairman. Mitsumasa Oe was appointed as the CEO. |
| 1987 | Jun | The founder Kikushiro Oe’s 70th birthday party. |
| 1988 | Sep | Gotenba office opened. |
| 1990 | May | The completion of OHE Logistics Center. |
| 1990 | Oct-29 | “Yume-Sou-Gyo” celebration of the 35th founding anniversary. The head office renovaion was completed. New corporate identity, brandmark revealed. |
| 1991 | Jun-1 | Bronze statue unveiled for the founder Kikushiro Oe. |
| 1991 | Aug-27 | Received the 4th Special Recognition Award of Nikkei New Office Award. |
| 1992 | Apr-17 | Founder Kikushiro Oe passed away at the age of 75. |
| 1996 | Mar | 1st Mid-Term Business Plan “The challenges of growing markets” |
| 1997 | Jun | Celebration of 50th founding anniversary. |
| 2000 | Mar | 2nd Mid-Term Business Plan “accel-gogo!” |
| 2001 | Apr | Sagamihara office opened. |
| 2003 | Apr | Kawasaki office opened. |
| 2004 | Mar | 3rd Mid-Term Business Plan “New-Yume-Sou-Gyo” |
| 2004 | Jun | Acquired ISO14001 certification. |
| 2005 | Feb | Subsidiary “OHE ELECTRIC SHANGHAI CO., LTD. ” established. |
| 2007 | Apr | Kumamoto office opened. |
| 2008 | Jul | Korea office opened. |
| 2009 | Apr | Subsidiary “Techno Energy Co., Ltd.” established. |
| 2011 | Mar | 4rd Mid-Term Business Plan “Time to change, opportunity is knocking.” |
| 2012 | Jul | New corporation philosophy. |
| 2013 | May | Intention to acquire 100% ownership of Yokohama Condito Co., Ltd. |
| 2013 | Jun | Subsidiary “Densei Korea Co., Ltd.” established. |
| 2014 | Jun | ISO14001 Award for 10 consecutive years |
| 2016 | May | New 2nd Mid-Term Business Plan for 3 years “Respect for tradition. Innovation for growth.” |
| 2016 | Nov | Launched a new division of retail solution business. |
| 2017 | Mar | The founder Kikushiro Oe’s 100th birthday. |
| 2017 | May | Subsidiary “Techno Energy Co., Ltd. Fuchi Techno Center” established. |
| 2017 | Jun | Celebration of 70th founding anniversary. |
| 2017 | May | Techno Energy Co., Ltd. Opened Fuji Techno Center. |
| 2017 | Jun | Celebration of 70th founding anniversary. |
| 2020 | Apr | New 3nd Mid-Term Business Plan “VALUE creation Innovation for growth.” |