1965.08Establish company with a capital of 30 million yen.
Start sales and installation of heated-type road marking materials “Night Line” and molten-type road marking materials “Ever Line”
1978.07Improve construction systems for road signs, guardrails, road studs, traffic safety mirrors, sight guidance signs, and other general traffic safety accessories.
1982.08Start various interior/exterior works including tunnel interiors.
1983.04Start noise barrier work, aiming to expand into general road accessories and build investigation and design systems.
1984.03Develop the concrete protection product “Tough Guard System” as a deterioration countermeasure for concrete structures and start construction.
1984.10Unify heated-type and room temperature road marking materials under the “Road Line” series.
1985.05Start construction using the “Soma Joint,” a buried joint for bridges developed by Prismo, UK.
1989.10Start selling the fixed guardrail “Barrier Road” made by STI of France.
1999.05Develop and start selling LED display board “MaRB Sign.”
2001.02Acquire ISO 9001 certification for construction-related operations.
2001.06Start selling “Shock Protector,” a shock absorption device jointly developed by NKC Co., Ltd. and the Osaka Research Institute of Industrial Science and Technology
2004.02Start selling rubber hump “Flexitech.”
2004.03Start construction with “ATTSU-9 ROAD,” a heat-resistant pavement effective in reducing road surface temperature.
2004.11Develop “Slit Line” and “Slit Line Grip,” road marking materials for drainage pavements.
2005Develop the concrete deterioration prevention method “Tough Guard Q-R,” register with the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), NETIS (New Technology Information System), and Tokyo Metropolitan Government (Construction Bureau,
Ports and Harbours Bureau).
2007.01Introduce LED display board “ETC Notice Board” to NEXCO.
2011.08Start sales of water-based heat-resistant pavement material “Nippave RS Cool W.”
2013.09Start sales of ultra-high brightness road marking material “Slit Line Plus 9.”
2014.08Improve resin thin-layer pavement material “Nippave,” start sales of a new version called “Nippave RS Neat.”
Systemize color pavement materials as the “Nippave” series.
2015.03Become part of the Sekisui Jushi Group due to shareholder changes.
2015.08Celebrate the 50th anniversary of the company founding.
2017Develop water-based road marking material quick-drying method “Road Line Mercury Dry Support Method®.” Register with MLIT and New Technology Information System (NETIS.)
2018.09Start sales of resin-made temporary traffic regulation material “Water Cable Barrier.”
2024.03First certification as “Health and Productivity Management Organization (Small and Medium-sized Enterprise Category)”.
2025.02Acquire ISO 9001 certification for construction-related operations, product development, manufacturing, and sales.
2025.03Selected as “Health and Productivity Management Organization (Small and Medium-sized Enterprise Category)” for the second consecutive year. Furthermore, certified as “Next Bright 1000” for the first time, a designation for companies with high growth
potential in the future.
2025.04Technical cooperation with Prismo, UK. Start sales of environmentally friendly high-durability pavement marking paint “Crystalex® NL3” and environmentally friendly ribbed pavement marking paint “Vibra Line Bio”.
2025.08Celebrate the 60th anniversary of the company founding.
2025.08Complete “Technology Innovation Center (TIC)” in Takanezawa-machi, Shioya-gun, Tochigi.
