| 1963 | March | Established NAKANO QUANTITY SURVEYORS CO., LTD. with capital of 500,000JPY in Suginami-ku |
1967 | June | Japan Association of Quantity Surveyors was found and joined as an official member |
1968 | Nov | Capital was increased to 2,000,000JPY |
1968 | Dec | Moved to Nagamitsu building (Asagaya Minami, Suginami-ku) due to business expansion |
1971 | Jan | Start frame quantity computerization for Reinforced Concrete Construction and steel-framed reinforced concrete construction |
1971 | April | Capital was increased to 4,000,000JPY |
1972 | Nov | Start of operations for frame quantity computerization by calculation center |
1974 | June | Capital was increased to 8,000,000JPY |
1974 | Aug | Moved to Ogikubo (Amanuma, Suginami-ku) building due to business expansion |
1975 | June | The Building Surveyor’s Institute of Japan (BSIJ) was found (Japan Association of Quantity Surveyors was dissolved and absorbed into a new organization), and became an office member |
1978 | July | Opened Nagoya Branch |
1978 | Nov | Capital was increased to 16,000,000JPY |
1979 | July | Opened Sendai Branch |
1982 | Jan | Capital was increased to 20,000,000JPY |
1982 | Sep | Changed the company name to NAKANO QUANTITY SURVEYORS CO., LTD. |
1982 | Oct | Opened Osaka Branch |
1986 | Dec | Capital was increased to 40,000,000JPY |
1991 | April | Opened Sapporo Branch |
1992 | Sep | Opened Niigata Branch |
1998 | May | Moved to the present address as the headquarter building is completed |
1999 | Dec | Capital was increased to 50,000,000JPY |
2008 | Nov | Yoshikazu Nakano was inaugurated as the chairman, CEO |
| And Eiki Nakano was inaugurated as the President, CEO. |
| To the present |
| 1994 | July | Received a commendation for excellent estimation business from the the Ministry of Construction, Tohoku Region |
1997 | July | Received a commendation for excellent estimation business from the Chief of Construction Bureau, Ministry of Construction, Kanto Regional Construction Bureau |
2010 | July | Received a commendation for excellent estimation business from the Chief of Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism |