January, 1963  

Company founded (Capital: 6 million yen, Employees: 26, Seimeiyama, Chikusa-ku, Nagoya-shi)

July, 1963  

Established AS plant (in Kawamura area, Moriyama-ku)

November, 1972  

Completed Toyoake AS plant

January, 1975  

Established Chubu Hozai Co., Ltd.

July, 1985  

Opened Tokyo business office (Tateishi, Katsushika-ku, Tokyo)

October, 1986  

Moved Tokyo business office (Nihonbashi-kodenmacho, Chuo-ku, Tokyo)

December, 1988  

Established Fuji Limited Company (lease car vocational school)

May, 1989  

Completed new company head office building (Yashirodai, Meito-ku, Nagoya-shi)

March, 1992  

Completed Excellent Kyomei (dormitory and company housing)

September, 1993  

Completed annex (Seimeiyama, Chikusa-ku, Nagoya-shi)

September, 1997  

Opened Akeno Lodge

March, 1999  

Completed AC Toyoake new asphalt plant

July, 1999  

Received ISO-9002 certification

July, 2003  

Converted Fuji Lease into Chubu Holding Limited Company

December, 2004  

Received ISO-14000 certification

July, 2005  

Received certification as Excellent Ecology Business from City of Nagoya

January, 2008  

Received certification as Safe City and Traffic Safety Partnership Company from Aichi Prefectural Government

February, 2009  

Registered as Family Friendly Company with Aichi Prefectural Government

January, 2010  

Certified as COHSMS (Construction Occupational Health and Safety Management System)

January, 2011  

Certified as a Child-rearing Support Company from City of Nagoya

October, 2015  

Converted Chubu Holding into Limited Company N & N corporation.

June, 2016  

PFI business Established I & C Corporation to operate Meijo Park "tonarino"

March, 2017  

Approved as "Aichi Josei Kagayaki Company (company where women can work with brightness and liveliness)"

April, 2017  

Completed Meijo Park “tonarino"

May, 2017  

Moved Tokyo business office (Nihonbashi, Chuo-ku, Tokyo)

August, 2017  

Received Excellent Health and Sanitation Company 2017 certification