SAKURA RUBBER CO., LTD.
5189・Standard Market・Rubber Products
Business
Sakura Rubber Co., Ltd., founded in 1918, is a rubber products manufacturer operating three segments: the Firefighting & Disaster Prevention Business, which manufactures and sells Fire Hoses & Fire Hydrant Hoses and Disaster Prevention & Rescue Equipment to government agencies; the Aerospace & Industrial Products Business, which manufactures aircraft ducts, seal components, and Tank Seals (Industrial Products) for crude oil storage facilities, among others; and the Real Estate Leasing Business, centered on Sasazuka Shopping Mall. Its main customers are government agencies and aerospace/defense-related companies including Mitsubishi Heavy Industries. The group comprises 5 companies, including 4 consolidated subsidiaries, with the Otawara Plant in Otawara City, Tochigi Prefecture, serving as its main production base. Consolidated net sales for FY2026 (ending March 2026) were ¥14,541 million.
Business Model
In the Firefighting & Disaster Prevention Business, the company engages in build-to-order manufacturing and sales in response to budget procurement by government agencies. In the Aerospace & Industrial Products Business, it manufactures high-value-added parts based on technical assistance agreements with Kirkhill Inc. (US), Parker Hannifin, and Stratoflex, supplying customers in the aerospace, defense, and energy fields. The Real Estate Leasing Business generates stable cash flow through tenant rental income from the Sasazuka Shopping Mall Leasing & Operation, complementing the overall management foundation of the group.
Company Strengths
Based on technical assistance agreements with US-based Kirkhill Corporation and Parker Hannifin Stratoflex, the company holds exclusive manufacturing and sales rights in Japan for aircraft ducts, PTFE hoses, inflatable seals, and other products. The segment's operating margin reached 19.2% in FY2026 (ending March 2026), demonstrating high entry barriers and profitability.
Since registering the patent for 'Sakura Fire Hose' in 1950, the company has continuously supplied fire hoses and disaster prevention & rescue equipment to government agencies. The order backlog for the Firefighting & Disaster Prevention Business expanded sharply to ¥2,030 million in FY2026 (ending March 2026), up 646.8% year on year, forming a solid order base that supports sales in future periods.
The Real Estate Leasing Business, centered on the Sasazuka Shopping Mall completed in 1978, maintained sales of ¥511 million and an operating margin of 18.1% in FY2026 (ending March 2026). Tenant revenue has trended favorably, functioning as a stable source of cash flow that complements fluctuations in the manufacturing business's performance.
ENVALITH's Perspective
Performance Trend
Revenue bottomed out at ¥8,871 million in FY2022 (ended March 2022) and has continued on a recovery trend since, reaching a record high of ¥14,540 million in FY2026 (ending March 2026). Operating profit also renewed its record high at ¥1,231 million, surpassing the previous record of ¥1,137 million set in FY2024 (ended March 2024). External tailwinds included expanding demand for disaster prevention equipment amid frequent natural disasters, increased orders for large government-use aircraft and space-related equipment, and an increase in large-scale orders for Tank Seals (Industrial Products) for crude oil storage facilities. On the other hand, rising raw material prices and persistently high energy prices continue to weigh as cost pressures, which the company is addressing through price revisions on certain products. Operating cash flow has turned negative, and the expansion of working capital accompanying the revenue increase has emerged as a challenge.
Growth Strategy
Pursuing sustainable growth through expansion in the aerospace field and strengthened proposal-based sales in firefighting and disaster prevention
Continued planning and development of products responding to on-site needs arising from frequent natural disasters, along with proposal-based sales activities. In FY2026 (ending March 2026), sales increased for equipment improving disaster evacuation living environments, forest fire response equipment, and vehicle-mounted rescue equipment, achieving net sales of ¥8,297 million (up 21.3% year on year) and segment profit of ¥522 million (up 51.8% year on year).
In addition to expanding sales of parts for large government-demand aircraft, engine parts, and space-related products, focus is being placed on winning orders from new customers and manufacturing highly difficult products. In FY2026 (ending March 2026), net sales reached ¥5,731 million (up 18.2% year on year) and segment profit reached ¥1,102 million (up 72.1% year on year), achieving a high growth rate.
Production execution has been promoted to address the increase in the order backlog, and the effects of price revisions on certain products have become apparent. In FY2026 (ending March 2026), expenditures for acquisition of tangible fixed assets increased significantly to ¥557 million from ¥165 million in the previous period, reflecting progress in investment to increase production capacity. Addressing constraints on raw material supply remains a challenge for the next period.
Last updated: July 19, 2026

