ENVALITH
山九株式会社 logo

SANKYU INC.

9065・Prime Market・Land Transportation

Official website
山九株式会社 logo
SANKYU INC.9065

Business

Sanki Engineering Co., Ltd. (Sanki), founded in 1918, is a comprehensive logistics and engineering company forming a group of 74 subsidiaries and 13 affiliated companies. In its Logistics Business, the company offers a wide range of services including port cargo handling, warehousing, in-plant logistics, and international multimodal transport, while its Engineering & Construction Business handles construction, installation, and maintenance for steel, petrochemical, and power-related plants. Its major customers include Nippon Steel Corporation (15.3% of net sales) and other leading manufacturers in the steel, chemical, and electrical/electronics industries, and the company maintains operations not only in Japan but also in Singapore, Thailand, Malaysia, Saudi Arabia, the United States, and other locations worldwide. Consolidated net sales for FY2026 (ending March 2026) are expected to reach ¥631,573 million.

Business Model

The Logistics Business secures stable revenue through resident-type operations stationed at customer plants and 3PL/port cargo handling based on long-term contracts. The Engineering & Construction Business follows a business model that continuously expands into maintenance orders after facility construction, generating ongoing revenue even after construction is completed. The combined order backlog for both businesses stood at ¥83,249 million (as of the end of FY2026 (ending March 2026)), reflecting a structure in which the conversion from orders to revenue continues stably.

Company Strengths

Sales to Nippon Steel reached ¥96,452 million (15.3% of net sales), with long-term continuous transactions targeting mainly the steel, chemical, and electrical/electronics industries forming the earnings base. The resident-type services for in-plant logistics and facility maintenance are integrated with customers' production activities, creating a customer lock-in structure that is difficult for competitors to replace in a short period.

In FY2026 (ending March 2026), the Logistics Business (net sales of ¥295,256 million, 46.7% of the total) and the Engineering & Construction Business (¥307,458 million, 48.7%) share sales almost evenly. While the Logistics Business generates stable cash flow, the Engineering & Construction Business drives earnings with a high profit margin (segment profit margin of approximately 10%), and this dual-pillar structure reduces the risk of dependence on a single business.

The company has established local subsidiaries across the world, including in Singapore, Thailand, Malaysia, Indonesia, Saudi Arabia, the United States, and Brazil, with a track record of over 60 years since its overseas expansion in 1964. It opened human resource development and maintenance bases in Malaysia in 2022 and in Saudi Arabia in April 2025, building a global framework for human resource development and mobility.

ENVALITH's Perspective

In FY2026 (ending March 2026), the company achieved revenue of ¥631,573 million (up 4.1% year on year), operating profit of ¥43,240 million (down 1.6% year on year), and net income of ¥31,505 million (up 2.5% year on year), representing revenue growth and net income growth. On the other hand, on May 26, 2026, a correction to the figures in the earnings report (kessan tanshin) was announced, revealing that accounts receivable and accounts payable had both been overstated by the same amount. Following the correction, total assets were revised to ¥559,746 million (from ¥560,169 million before correction), and the equity ratio was revised to 54.2% (from 54.1%). This misstatement of financial figures warrants close attention as a factor that could affect confidence in the company's internal control and management systems.

Operating profit of ¥43,240 million in FY2026 (ending March 2026) fell short of the previous period's ¥43,945 million, and did not reach the operating profit margin target of 7.1% (based on an assumed revenue of ¥660,000 million) set out in the Medium-Term Plan 2026. Segment profit in the Logistics Business (¥9,826 million) remains at a low level compared to the Engineering & Construction Business (¥30,960 million), making continued progress in negotiating appropriate unit pricing and improving profitability essential. It should also be noted that external factors such as rising labor costs and energy costs are weighing on profitability.

Dependence on revenue from the Nippon Steel Group continues to warrant attention as a customer concentration risk. On the other hand, business diversification is progressing through overseas expansion into the US EV-related sector, the Middle East, and India, as well as through M&A (with goodwill balance increasing substantially from ¥1,592 million to ¥7,635 million). The degree of earnings contribution from overseas operations and the state of integration risk management will be key evaluation points going forward. It should also be noted that external factors such as geopolitical risk and foreign exchange fluctuations could continue to affect the performance of overseas operations.

Growth Strategy

Under the Medium-Term Plan 2026, the company targets net sales of ¥660,000 million, an operating margin of 7.1%, and ROIC of 9.0%, with focused investment in overseas expansion, green initiatives, and DX.

In addition to acquiring new customers centered on the steel, chemical, and electrical/electronics industries and deepening existing business, the company is promoting the consolidation of low-profitability sites and withdrawal from unprofitable operations. Segment profit for FY2026 (ending March 2026) remained low at ¥9,826 million, and continued price negotiations and structural reform remain key challenges.

Against a backdrop of increasing steel, chemical, and environment-related construction work driven by domestic industrial equipment renewal and decarbonization demand, overseas sales grew through new orders such as EV-related plant construction in the U.S. and new projects in the Middle East and India. Segment profit for FY2026 (ending March 2026) remained at a high level of ¥30,960 million.

Goodwill balance increased substantially from ¥1,592 million to ¥7,635 million, reflecting progress in business scale expansion through M&A and new consolidations. Expansion into new domains such as carbon neutrality and social infrastructure is also underway.

The company is reforming its cost structure by improving productivity and investing in labor-saving measures through DX promotion. Against a backdrop of solid demand for information systems within the group, efforts are being made to improve operational efficiency in both the Logistics Business and the Engineering & Construction Business. This is also an important measure for addressing rising labor costs.

Last updated: July 19, 2026