Nichireki Group Co., Ltd. manufactures and sells asphalt-based products and provides road paving and civil engineering services primarily in Japan. The company offers applied and processed asphalt products including asphalt emulsions, modified asphalt, bridge deck waterproofing materials, road surface repairing materials such as SUPER ROMENPATCH, RESCUEPATCH and SUPER SNOWPATCH, water stop materials, crack repairing materials, cement concrete materials, water pipes, landscape paving materials, floor slab waterproofing materials and industrial products; it also contracts for paving, waterproofing, water and sewage civil engineering works and related survey services. Founded in 1943 and established as a company in 1949, Nichireki Group Co., Ltd. is headquartered at 4-3-29 Kudan-kita, Chiyoda-ku, Tokyo, Japan, and operates 38 consolidated subsidiaries with main activities focused on the asphalt application processing products and road paving business segments.
In 2023, the company formed a capital and business alliance with Itochu Enex Co., Ltd.; it transitioned to a holding company structure in 2024 through an absorption-type company split, changing its trade name from Nichireki Co., Ltd. to Nichireki Group Co., Ltd. and amending its articles of incorporation accordingly. Recent initiatives include ongoing treasury stock acquisitions, with notices issued in 2025 including a program from March 1 to December 31, 2025, aimed at a maximum cost of 2.6 billion yen, and the release of its Integrated Report 2025 in October. The group emphasizes sustainable technologies such as solar heat-blocking pavement, low-carbon asphalt mixtures and on-site recycling construction methods.