Xyence Corporation
Japanese wood-preservation and wood-products company, founded in 1922, supplying preserved timber, termite control, and wooden park and exterior facilities.
Last updated September 27, 2026
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Overview
Xyence Corporation (株式会社ザイエンス) is a Japanese company whose business centres on wood preservation technology and wood-based products. Its origins trace back to 1922, when its predecessor Sanyo Gomei Kaisha completed a wood-preservation plant and conducted a successful trial run on 27 May 1922 — a date the company still marks as its founding anniversary. Over the following decades the business grew alongside Japan's infrastructure build-out, supplying preservative-treated wooden utility poles and railway sleepers, and later expanding into housing materials, termite control and outdoor civil-engineering products. The company's modern identity was established in 1991, when it changed its name to Xyence Corporation on the occasion of its 70th anniversary. The name is derived from three keywords: XYL (wood), SCIENCE and AMBIENCE. Today Xyence operates across three broad areas described on its website: park facilities and exterior products (planning, design, fabrication, installation, maintenance and management of amenity spaces); housing and building materials, especially preservative- and termite-treated lumber; and wood-preservation chemicals together with termite-control contracting work. Its product range includes pressure-treated timber foundations, treated lumber for home centres, outdoor products, wooden playground equipment, wooden decks, boardwalks and bridges. The company has manufacturing and sales sites across Japan, with major production bases including a Kanto plant and an Osaka plant, and a sales headquarters in Kanda, Tokyo. Its registered location is Chiyoda City, Tokyo. Xyence positions its wood-preservation technology as a contributor to sustainability, arguing that extending the service life of wood supports sustainable forest cycles, carbon storage in cities and reduced greenhouse-gas emissions. It states that it does not use illegally logged timber and that its manufacturing sites hold legality and sustainability certifications for wood and wood products.
History
Xyence Corporation's history reaches back roughly a century. Its predecessor, Sanyo Gomei Kaisha, completed a wood-preservation plant in 1922; a successful trial run on 27 May 1922 is designated as the company's founding anniversary. In 1923, demand for preservative-treated wooden utility poles and railway sleepers expanded greatly alongside infrastructure development in communications, railways and electric power. In 1928, as demand for preserved wood grew, the company successively added plant equipment, and its giant impregnation cylinder — described as the largest in the East at the time — attracted public attention. In 1931, the company succeeded the wood-preservation division of Sanyo Gomei Kaisha and established Sanyo Wood Preservation Co., Ltd. (山陽木材防腐株式会社), with its head office in Hiroshima Prefecture. In 1937 it amicably absorbed a same-industry peer, Toa Wood Preservation Co., Ltd., establishing a nationwide production system spanning from Hokkaido to Kyushu. In 1945 the atomic bombing of Hiroshima devastated its Hiroshima plant, located only about 1.5 km from the hypocentre. In 1948, amid the post-war turmoil, the company struggled to rebuild and completed a new Hiroshima plant in Sakacho, Hiroshima Prefecture. In 1965, having obtained approval from the Housing Loan Corporation (now the Japan Housing Finance Agency), it began producing and selling the pressure-impregnated timber foundation "PG Sukeya," entering the housing preservative-foundation market. In 1967 it established the Gunma plant (now the Kanto plant), which became a major base of its East Japan manufacturing division, and in 1968 the Osaka plant (now the Osaka Works), a major base of its West Japan manufacturing division. In 1969, with joint investment by Chugoku Electric Power, Nippon Concrete Industries and the company, Chugoku High-Pressure Concrete Industry Co., Ltd. was established in what is now Hatsukaichi City, Hiroshima Prefecture, and the company began selling concrete utility poles, leveraging the distribution channels built with wooden poles. In 1970, as damage to homes from termites and other pests became a social issue, the company developed chemicals and entered the termite-control contracting business. In 1971 it moved its technical division from the Hiroshima plant to Isesaki City, Gunma Prefecture, and opened a Central Research Institute to strengthen R&D. In 1974, entering the chemical field, it began television advertising; its TV commercial for the household termite-control spray "Sunprezer" was well received. In 1977, starting with an order for the Chugoku Nature Trail — a large project spanning five prefectures with a total length of 1,900 km and a five-year construction period — it entered the civil-engineering and outdoor-products market, supplying large quantities of wooden fences, bridges and signboards. In 1982, its plants in Kitami, Niigata, Gunma, Osaka, Hiroshima and Kyushu obtained JAS certification for lumber (preservation treatment). In 1991, on the occasion of its 70th anniversary, the company changed its name to Xyence Corporation; the name was coined from XYL (wood), SCIENCE and AMBIENCE. In 1994, the pressure-treatment chemical "Tanaris CuAz" obtained certification from the Japan Wood Preserving Association, and its plants switched from CCA to Tanaris CuAz; later improved as "Tanaris CY," it remains in wide use for preservative foundations, lumber for home centres and outdoor products. In 1995 the company introduced a new symbol mark based on the initial "X" of XYENCE, expressing green leaves and the rhythm of people. In 1996 it moved its sales headquarters, the base of its current sales division, from Kanda-Sudacho to Kanda-Kajicho, placing regional sales offices directly under the headquarters to strengthen sales. In 1998 it continued to pursue JAS certification and related standards. In the 2000s and beyond, the company has continued to supply wooden playground equipment, decks, boardwalks and bridges to parks and public spaces across Japan, and has emphasised sustainability, legal timber sourcing and certification at its manufacturing sites.
- 1998
The company continues to pursue JAS certification and related standards.
- 1996
Sales headquarters moves from Kanda-Sudacho to Kanda-Kajicho; regional sales offices placed under direct headquarters control.
- 1995
A new symbol mark based on the initial "X" of XYENCE is introduced.
- 1994
Pressure-treatment chemical "Tanaris CuAz" obtains Japan Wood Preserving Association certification; plants switch from CCA.
- 1991
Company name changed to Xyence Corporation on the 70th anniversary; name derived from XYL, SCIENCE and AMBIENCE.
- 1982
Plants in Kitami, Niigata, Gunma, Osaka, Hiroshima and Kyushu obtain JAS certification for lumber (preservation treatment).
- 1977
Entry into the civil-engineering and outdoor-products market, starting with the Chugoku Nature Trail order.
- 1974
Television advertising begins; the TV commercial for household termite-control spray "Sunprezer" is well received.
- 1971
The Central Research Institute is opened in Isesaki City, Gunma Prefecture.
- 1970
The company enters the termite-control contracting business.
Products and positioning
A long-established Japanese specialist in wood preservation and wood-based amenity products, positioning its technology as contributing to sustainable forestry and carbon reduction.
PG Sukeya pressure-treated timber foundation
Pressure-impregnated timber foundation approved by the Housing Loan Corporation, launched in 1965.
Tanaris CuAz / Tanaris CY wood-preservation agents
Pressure-treatment chemicals certified by the Japan Wood Preserving Association, used for preservative foundations, home-centre lumber and outdoor products.
Sunprezer household termite-control spray
Household termite-control spray promoted with a well-received TV commercial in 1974.
Wooden playground equipment
Wooden composite playground equipment including long slides, delivered to parks across Japan.
Wooden decks and boardwalks
Wooden decks and boardwalks supplied for parks, plazas and walking courses.
Sources5 sources
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