SAKAI HEAVY INDUSTRIES,LTD.
6358・Prime Market・Machinery
Business
Founded in 1918, SAKAI Heavy Industries, Ltd. is a global niche manufacturer specializing in the manufacture and sale of construction machinery centered on road rollers. The group, consisting of the Company and 8 subsidiaries, operates in four segments—Japan, United States, Indonesia, and China—supplying products to domestic and overseas road construction and maintenance/repair markets. Its main customers are construction companies, construction machinery rental companies, and government-affiliated infrastructure operators. As the industry's only independent specialized manufacturer focusing on specialized machinery such as Road Paving Machinery, vibratory rollers, and tire rollers, the Company is listed on the Prime Market of the Tokyo Stock Exchange.
Business Model
The Group manufactures road construction machinery at its bases in Japan, the United States, Indonesia, and China, and sells the products to construction companies, rental companies, and government agencies in each region through direct sales and dealer channels. Overseas markets account for approximately 55% of net sales, giving the company a revenue structure that combines stable domestic earnings with overseas growth. The company is strengthening its profit structure through price revisions, the introduction of higher value-added products, and improvements in the cost ratio, achieving a cost ratio of 72.1% (a 0.4 percentage point improvement year on year) in FY2026 (ending March 2026).
Company Strengths
Since beginning production of road rollers in 1929, the company has continued technology development specialized in road compaction machinery. It holds 117 industrial property rights in total (168 applications) and has independently developed next-generation products such as the autonomous roller ARMs, EV rollers (completed GX construction machinery certification), and the Guardman emergency braking device. As the industry's only independent specialist manufacturer, it has accumulated differentiated technology.
The company has its own manufacturing bases in Japan (Kawagoe and Kuki), the United States (Georgia), and Indonesia (West Java), building a production and sales structure close to each market. In FY2026 (ending March 2026), the Indonesia base achieved cost ratio improvement and higher operating margin due to increased exports to third countries, while the U.S. base implemented price revisions in response to tariffs, with each base functioning as an independent profit unit.
At the end of FY2026 (ending March 2026), the equity ratio stood at 71.9% (up 1.4 points year on year), with total net assets of ¥31,677 million. While maintaining financial soundness close to debt-free status, the company has funded four consecutive years of wage increases (5.1% in FY2023 to 5.0% in FY2026) and capital expenditures (¥783 million) from internal funds, giving it a financial structure highly resilient to deterioration in the external environment.
ENVALITH's Perspective
Performance Trend
Revenue declined for two consecutive periods from the peak of ¥33,021 million in FY2024 (ended March 2024), reaching ¥27,541 million in FY2026 (ending March 2026), down 1.1% year on year. However, the trend of sales deceleration appears to have bottomed out, with domestic sales recovering, up 4.2% year on year. Operating profit remained essentially flat at ¥1,588 million (up 0.3% year on year), supported by an improved cost ratio. Profit attributable to owners of parent surged 22.8% year on year to ¥1,763 million, driven by a gain on sale of investment securities of ¥943 million, but ordinary profit rose only 5.8% year on year to ¥1,581 million. On the external front, high U.S. tariff policy and sluggish domestic demand in Indonesia weighed on overseas sales, while continued national resilience (kokudo kyoujinka) investment supported domestic demand. Operating cash flow improved to ¥878 million from ¥399 million in the previous period, but the cash balance decreased 14.6% year on year to ¥6,492 million.
Growth Strategy
Mid- to long-term growth through Asian market deepening, North American market development, next-generation product commercialization, and AI implementation
Promoting expansion of sales in ASEAN countries such as Vietnam, the Philippines, and Laos while utilizing Indonesia as a manufacturing and export base. In FY2026 (ending March 2026), operating profit in the Indonesia segment improved substantially, up 33.6% year on year to ¥743 million, reflecting the effects of improved cost ratios and expanded exports to third countries.
Strategy to capture high levels of road construction investment and AI-related construction investment underpinned by the Infrastructure Investment and Jobs Act (IIJA). In FY2026 (ending March 2026), operating profit in the United States segment struggled, down 19.5% year on year due to the impact of high tariff policies. The company is proceeding with sales price revisions in response to import tariffs, with focus in FY2027 (ending March 2026) on bottoming out of demand and the extent to which price pass-through takes hold.
Promoting commercialization of the Autonomous Roller & Compaction Management System to capture demand for DX at construction sites driven by the promotion of i-Construction 2.0. Continuing to invest in R&D expenses (¥955 million in FY2026 (ending March 2026)) to advance a shift toward higher profitability through high-value-added products. Product rollout both domestically and internationally is expected to be a source of medium- to long-term competitive advantage.
Promoting business process reform and strengthening of corporate resilience by leveraging the social implementation of AI technology. Aiming to achieve both human capital investment and improved earnings productivity, with salaries and bonuses in FY2026 (ending March 2026) at ¥2,805 million (up 3.8% year on year), continuing investment in human resources. Specific measures are expected to be presented in the next medium-term management policy (scheduled for announcement in late July 2026).
Last updated: July 19, 2026

