| Oct.1947 | Established with capital of 1.5 million yen |
| Sep.1948 | Tokyo Office opened |
| Dec.1949 | Completion of commercialization of reinforced fiber rail insulation |
| Feb.1951 | Construction business registration |
| May1951 | Gas welding bond completed. First use for Takasaki Line electrification |
| Jun.1952 | Development of low-temperature welding bond |
| Jun.1953 | Low-temperature welding bond adopted by JNR |
| Jun.1959 | Developed melt-type section lines and road signs. Adopted by the Metropolitan Police Department, prefectural police headquarters, Ministry of Construction, etc. |
| Sep.1963 | Development of special insulation materials for the Tokaido Shinkansen |
| Dec.1963 | SK-type road signs are developed and adopted by the Metropolitan Police Department and prefectural police headquarters. |
| Oct.1964 | In conjunction with the Tokyo Olympics,”Bon Line” and “SK Curl Board” were fully installed. |
| Nov.1969 | Capital increased to 100 million yen. |
| Mar.1973 | Fusion injection type high-speed coating machine developed |
| Oct.1978 | Certified as a factory with Japan industrial standard labeling permission(road marking paint) |
| Oct.1985 | Head office building (factory and research center) completed. |
| Feb.1989 | Introduction of Vibra Line technology |
| Jul. 1990 | EP-V rail type (rail insulation) completed |
| Apr.1992 | Fukushima Factory completed, JIS factory certification |
| Dec.1994 | Certified as a factory approved for Japan Industrial Standards (Rail Bond) |
| Apr.1995 | Development of the Roepack gas construction method |
| Oct.1995 | Mist Line developed |
| Jun.1996 | Tokyo Branch Office opened |
| Jun.2000 | Mist Grip developed |
| Oct.2001 | Obtained Specified Construction Business License and Minister of Land, Infrastructure, Transport and Tourism Permit (Toku-13) No. 404 |
| Nov.2001 | Acquired ISO9001 certification |
| Jul. 2003 | Kawasaki City Monozukuri brand product certification (Grit Line, Mist Grip) |
| Oct.2006 | Developed a bonline shell and started sales of all-weather road markings. |
| Apr.2008 | Kawasaki City Manufacturing Brand Product Certification (Bon Line Shell) |
| Apr.2010 | Completed new plant of Railway Business Headquarters |
| May2011 | Head Office Design Center completed |
| Apr.2012 | New Tomei Expressway signage and marking work completed |
| Mar.2013 | Acquired ISO14001:2004 certification |
| Oct.2017 | 70th anniversary |
| Jan.2019 | Low CO2 Kawasaki Brand ’18 Grand Prize (LED internally illuminated road sign) |