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Suppliers · Services / consulting · Environmental & marine biotech

Tsukishima Kikai

月島ホールディングス株式会社 is a company that specializes in water treatment and research and development. They have a R&D center and offer services in clean water treatment, drying, and remediation facilities. They also have overseas projects and provide information on their business and technology. The company is focused on sustainability and has initiatives in place to ensure environmental sustainability.

active JapanAsia Founded 1905 checked 2026-10-05

Profile

Tsukishima Kikai (Japan; part of Tsukishima Holdings) designs, manufactures, and sells plant systems and equipment for environmental and industrial infrastructure, including sewage sludge treatment (dewatering/drying/incineration), biogas (digestive gas) power generation, and CO2-emissions–reduction/decabonization-related equipment, plus industrial machinery and maintenance/aftersales. Founded in 1905; HQ: 3-5-1 Harumi, Chuo-ku, Tokyo, Japan. Ownership: Tsukishima Holdings owns 100% of Tsukishima Kikai. No stock listing or external investors/funding are stated in the provided results. Scale: 229 employees (as of Mar 31, 2026). Latest (2025–2026): still active; in 2023 it was “reborn” within the holding structure (company name Tsukishima Kikai Co., Ltd.). FY2024 group net sales reported as 139.2bn yen (context from holdings). Key customers/partners: municipalities (operation/maintenance of ~160 water/sewage-related facilities in Japan) and PPP/SPC projects up to 20 years; also JFE Engineering is referenced for integrated water solutions.

Sources#

Industry
Cosmetics, Ecology & monitoring, Energy, Waste & circular economy, Water
Topics
Wastewater, water treatment & bioremediation, Biogas & biomethane, Biomass, bagasse & waste valorisation
Role
Services / consulting — “…Co., Ltd. is a diversified engineering firm supplying a broad portfolio of industrial processing equipment and…”

Bio-solutions it supplies 2

What they offer

Certifications: ISO9001: 2015/JAB; UKAS

Applications
Chemicals · Steel, Metals and Mining · Foods & Cosmetics · Environmental · Energy
Certifications (website)
ISO9001: 2015/JAB · UKAS
Production sites
Muroran Factory, 35-2, Chatsucho, Muroran-city, Hokkaido, 051-0006 · Yachiyo Technical Center, 1807-3 Kamikoya, Yachiyo-city, Chiba, 276-0022 · Muroran — Machines and plants for industrial sector, facilities for environmental sector · Muroran Factory — Machines and plants for industrial sector, environmental sector facilities

Read from the company's own website: about · products · production · quality · rnd · leadership · sustainability · topic

News & status 6

Network: owners, partners, peers

Partners & deals 2

counterpartyMitsubishi Kakoki Kaisha
…Tsukishima Holdings Co., Ltd. and Mitsubishi Kakoki Kaisha, Ltd. announced a business integration agreement and share exchange agreement, scheduled to become effective on April 1, 2027.…
counterpartyLtd
…Tsukishima Holdings Co., Ltd. and Mitsubishi Kakoki Kaisha, Ltd. announced a business integration agreement and share exchange agreement, scheduled to become effective on April 1, 2027.…

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