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東鉄工業株式会社 logo

TOTETSU KOGYO CO., LTD.

1835・Prime Market・Construction

東鉄工業株式会社 logo
TOTETSU KOGYO CO., LTD.1835

Civil Engineering Business

The core segment of Totetsu Kogyo, centered on railway infrastructure construction

PeriodCurrentPreviousChange
Net sales (external customers)¥107,980 million¥100,837 million↑
Segment profit¥9,830 million¥8,574 million↑
Orders received¥99,300 million¥100,504 million↓
Backlog carried forward to next period¥74,401 million¥83,082 million↓
Depreciation¥2,632 million¥2,475 million↑
Segment profit margin9.1%8.5%↑

Business Details

This segment handles civil engineering works in general (planning, design, construction, and supervision), with East Japan Railway Company (JR East) as its principal customer. It undertakes work essential to ensuring safe and stable railway transport, including seismic reinforcement measures, platform door installation, station renovation works, and large-scale Shinkansen refurbishment. A portion of construction work is outsourced to consolidated subsidiaries Totetsu Maintenance Kogyo Co., Ltd. and Zenyo Co., Ltd. In FY2026 (ending March 2026), net sales were ¥107,980 million, accounting for approximately 70.2% of consolidated completed construction value, making this the core business segment.

Recent Overview

Both sales and profit increased, but orders received and backlog declined; railway ratio rose

In FY2026 (ending March 2026), sales in the Civil Engineering Business were ¥107,980 million (up 7.1% year on year) and segment profit was ¥9,830 million (up 14.6% year on year), achieving both higher sales and higher profit. The railway ratio of completed construction value rose to 84.6% (from 79.1% in the prior period). On the other hand, orders received declined to ¥99,300 million (down 1.2% year on year) and the backlog carried forward to next period decreased to ¥74,401 million (from ¥83,082 million in the prior period), warranting attention to the impact on future sales levels. The increase in tangible and intangible fixed assets rose sharply to ¥3,581 million (from ¥1,717 million in the prior period), reflecting accelerated mechanization and capital investment.

Key Products

service
Railway civil engineering works (for JR East)

Centered on JR East project-related construction, this business handles large-scale earthquake countermeasure works, platform renovation works, station facility renovation works, station elevation (overpass) works, and construction of commercial facilities and office buildings. Net sales to private railway operators totaled ¥126,216 million (82.0% of completed construction value).

service
Civil engineering works for public and private railways

Responds to the maintenance system needs of various railway operators, providing construction know-how utilizing large track maintenance machinery. Contributes to safe and stable transport of transportation infrastructure.

service
Railway-adjacent works and aging infrastructure countermeasure works

Capturing the need for extending the service life of road/rail crossing points nationwide, the company applies its specialized qualifications and technical capabilities to handle highly difficult works such as service-life extension works for road bridges and jacking (tunneling) works beneath tracks. Also undertakes aging infrastructure countermeasure works for public bodies and private operators.

Growth Drivers

  • Continued expansion of demand for JR East project-related construction (large-scale earthquake countermeasures, seismic reinforcement, platform door installation, large-scale Shinkansen refurbishment)
  • Rising railway sales ratio driven by expansion of sales to private railways (¥126,216 million in FY2026, up 9.1% year on year)
  • Expansion of business scope in response to the maintenance system needs of public and private railway operators
  • Expansion into railway-adjacent works and aging infrastructure countermeasure fields (priority business areas under Action Plan 2029)
  • Productivity improvement and strengthened construction capacity through increased large track maintenance machinery holdings and DX promotion

Risks

  • Downward pressure on future sales due to the year-on-year decline in orders received (¥99,300 million, down 1.2% year on year) and the decrease in backlog carried forward to next period (¥74,401 million versus ¥83,082 million in the prior period)
  • Risk of sales concentration with East Japan Railway Company (sales to the company amounted to ¥118,458 million of consolidated completed construction value)
  • Difficulty maintaining construction capacity due to shortages of skilled workers and labor shortages in the construction industry
  • Risk of increased construction costs due to rising material and outsourcing costs and the response to requests for price pass-through to subcontractors
  • On-site inspection conducted by the Japan Fair Trade Commission in November 2025 concerning suspected Antimonopoly Act violations related to bidding for track maintenance works for the Toei Subway and others (investigation ongoing)

Building Construction Business

The second pillar segment handling building construction in general; JR East is the principal customer

PeriodCurrentPreviousChange
Net sales¥45,905 million¥49,668 million↓
Segment profit¥6,368 million¥5,429 million↑
Orders received¥46,060 million¥48,949 million↓
Backlog carried forward to next period¥33,689 million¥33,533 million↑
Segment assets¥42,306 million¥45,335 million↓
Segment profit margin13.9%10.9%↑

Business Details

This segment's business scope covers building construction in general (planning, design, construction, and supervision), with East Japan Railway Company as its principal customer. It has a structure whereby a portion of construction work is outsourced to the consolidated subsidiary Totetsu Sokken Co., Ltd. Centered on railway-related construction such as station elevation works and new station construction, construction of commercial facilities and office buildings, and large-scale development works adjacent to stations, it also undertakes building construction works for private operators. In FY2026 (ending March 2026), net sales were ¥45,905 million (down 7.6% year on year), accounting for approximately 28.2% of total consolidated net sales.

Recent Overview

Net sales declined 7.6% year on year, but segment profit rose 17.3% due to improved profit margin

In FY2026 (ending March 2026), the Building Construction Business saw a decline in sales, with orders received of ¥46,060 million (down 5.9% year on year) and net sales of ¥45,905 million (down 7.6% year on year). On the other hand, segment profit rose significantly to ¥6,368 million (up 17.3% year on year), and the profit margin improved to 13.9%. The company undertook safety-focused construction such as large-scale earthquake countermeasure works, platform door installation, and station facility renovation works for JR East, while also constructing large-scale works such as station elevation works and commercial facilities/office buildings. The backlog carried forward to next period stood at ¥33,689 million, securing a slight increase compared to the end of the prior period.

Key Products

service
Building construction (railway-related)

Constructs primarily JR East project-related works, including platform renovation works accompanying platform door installation, station elevation (overpass) works, and construction of commercial facilities and office buildings adjacent to stations. Utilizes proprietary technologies such as weld-free construction methods to improve safety and productivity.

service
Building construction (general private sector)

Undertakes service-life extension works and new construction works for building structures owned by private operators. Leverages the high-value-added construction capabilities honed through railway construction work to contribute to solving challenges across social infrastructure as a whole.

Growth Drivers

  • Continued receipt of orders for JR East's large-scale project-related construction (station elevation works, commercial facilities, office building construction, etc.)
  • Expanding demand for safety investment such as large-scale earthquake countermeasure works, platform door installation, and promotion of barrier-free facility installation
  • Medium- to long-term expansion of needs for ensuring safe and stable transport, such as large-scale Shinkansen refurbishment works
  • Improved construction efficiency and profitability through proprietary technologies such as weld-free construction methods
  • Growing demand for service-life extension works for building structures owned by private operators

Risks

  • Reduction in the scale of sales due to declining orders in general private-sector works (orders received in FY2026 fell 5.9% year on year)
  • Risk of divergence in estimated total construction costs due to rising material prices and outsourcing costs
  • Constraints on construction capacity due to shortages of skilled workers
  • Risk of customer concentration due to sales dependence on JR East
  • Risk of deteriorating profitability in private-sector works, where the ratio of competitive bidding is high

Other

A complementary segment handling manufacture/sale of railway-related products, real estate leasing, and environmental businesses

PeriodCurrentPreviousChange
Net sales (external customers)¥9,132 million¥9,542 million↓
Segment profit¥1,400 million¥1,504 million↓
Segment assets¥13,207 million¥12,941 million↑
Depreciation¥157 million¥143 million↑
Increase in tangible and intangible fixed assets¥167 million¥77 million↑
Inter-segment internal sales¥2,101 million¥1,713 million↑

Business Details

This segment consists of two consolidated subsidiaries—Totetsu Kiko Co., Ltd. (manufacture, inspection, and repair of track maintenance machinery) and Kowa Kasei Co., Ltd. (manufacture and sale of railway-related products)—together with businesses operated directly by Totetsu Kogyo itself, including leasing of commercial buildings and similar properties, power generation, and environmental businesses such as greening. The principal customers are railway operators, including East Japan Railway Company. Sales are mainly derived from revenue from the manufacture and sale of railway-related products, and the segment plays a role complementing the group's construction businesses in terms of technology and products.

Recent Overview

Both sales and profit declined year on year, as demand for railway-related products remained sluggish

In FY2026 (ending March 2026), net sales were ¥9,132 million (down 4.3% year on year) and segment profit was ¥1,400 million (down 6.9% year on year), with both sales and profit falling short of the prior period. The main cause was a decline in revenue from the manufacture and sale of railway-related products, which constitute the main component of sales. On the other hand, segment assets increased year on year to ¥13,207 million, and fixed asset investment (¥167 million) also expanded from the prior period (¥77 million). Inter-segment internal sales increased to ¥2,101 million from ¥1,713 million in the prior period, indicating expanded supply of products and services to the group's construction businesses.

Key Products

product
Manufacture and sale of railway-related products

This business constitutes the main component of segment sales. It manufactures and sells various railway-related products for railway operators, supporting the group's construction businesses in terms of products.

service
Manufacture, inspection, and repair of track maintenance machinery

Manufactures, inspects, and repairs track maintenance vehicles and similar equipment, supporting the safe and stable transport of railway infrastructure from a technical standpoint. Also linked to the group's productivity improvement strategy, including the increase and functional enhancement of large track maintenance machinery.

service
Real estate leasing business

Leasing business for commercial buildings and similar properties operated directly by Totetsu Kogyo. Functions as a stable revenue source less susceptible to fluctuations in orders received for the construction businesses.

service
Environmental business

Power generation and greening businesses, among others, operated directly by Totetsu Kogyo. This business area is also linked to the 2050 carbon neutrality goal under the ESG strategy of the medium-term management plan.

Growth Drivers

  • Expanding demand for railway-related products and track maintenance machinery driven by growing needs among public and private railway operators to maintain their maintenance systems
  • Increased demand within the group associated with the increase and functional enhancement/renewal investment in large track maintenance machinery under the medium-term management plan 'Action Plan 2029' (a technology development and mechanization investment plan of approximately ¥700 million over five years)
  • Medium- to long-term expansion of demand for track maintenance machinery and railway-related products accompanying expanding needs for ensuring safe and stable transport, such as large-scale Shinkansen refurbishment works
  • Continuation of stable stock revenue from the real estate leasing business

Risks

  • Risk of fluctuation in internal demand linked to order trends in the construction businesses (civil engineering and building construction) (inter-segment internal sales exist)
  • Fluctuation in demand for track maintenance machinery and railway-related products due to changes in railway operators' capital investment plans
  • Risk of increased manufacturing costs due to rising material and raw material prices
  • Undergoing an on-site inspection by the Japan Fair Trade Commission in November 2025 concerning suspected Antimonopoly Act violations related to bidding for track maintenance works for the Toei Subway and others, with unclear impact on the order-taking environment for the group as a whole

Last updated: July 17, 2026