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Industry map/Construction & Real Estate

Disaster Prevention & Infrastructure Maintenance industry map

Who earns the money in Disaster Prevention & Infrastructure Maintenance, and who keeps it. When a company spans several industries, only the relevant segment is counted.

FY2025 · 59 companies · ¥1.86T

Industry map

Companies ordered by revenue, connected by ownership (major shareholders). Arrows point from the shareholder to the investee.

Industry size (revenue)
¥1.86T

YoY +6.5%

Companies
59
Avg. salary（parent only）
¥7.1M

Avg. age 43.2

Industry weather
Sunny

Operating income +13.1%

Secom[9735]

Fire protection services + 1 more

#1
Revenue
¥247.5B▲5.1%
Operating income
¥30.1B▲27.9%

Margin 12.2%

Whole company: Revenue ¥1.26T · Net income ¥112.7B

Avg. salary ¥6.7M · 44.5（parent only）

Nohmi Bosai[6744]

Fire alarm system + 2 more

#2
Revenue
¥134.6B▲5.4%
Operating income
¥28.8B▲15.5%

Margin 21.4%

Whole company: Revenue ¥139.7B · Net income ¥13.6B

Avg. salary ¥6.9M · 39.4（parent only）

  • Secom owns 51.9%

CTI Engineering[9621]

Domestic construction consultant + 1 more

#3
Revenue
¥101B▲3.4%
Operating income
¥9.15B▼2.4%

Margin 9.1%

Whole company: Revenue ¥101B · Net income ¥5.95B

Avg. salary ¥9.7M · 42.2（parent only）

Morita Holdings[6455]

Ambulance + 1 more

#4
Revenue
¥96.6B▲3.9%
Operating income
¥13.3B▲12.4%

Margin 13.8%

Whole company: Revenue ¥116.6B · Net income ¥9.46B

Avg. salary ¥8.2M · 44.6（parent only）

Oriental Consultants Holdings[2498]

infra management Service + 1 more

#5
Revenue
¥93.1B▲10.5%
Operating income
¥5.47B▲22.7%

Margin 5.9%

Whole company: Revenue ¥95.4B · Net income ¥3.82B

Avg. salary ¥7.1M · 47.6（parent only）

Alsok[2331]

Total building management services and disaster prevention services

#6▲
Revenue
¥93B▲16.6%
Operating income
¥11.3B▲23.0%

Margin 12.1%

Whole company: Revenue ¥597B · Net income ¥33.3B

Avg. salary ¥6.2M · 41.8（parent only）

Nippon Dry-Chemical[1909]

#10
Revenue
¥60.5B▲8.6%
Operating income
¥7.99B▲30.3%

Margin 13.2%

Avg. salary ¥7.2M · 41.2（parent only）

  • Alsok owns 16.4%

SHO-BOND Holdings[1414]

Domestic construction

#7▼
Revenue
¥86.8B▲6.7%
Operating income
¥19.8B▲5.6%

Margin 22.8%

Whole company: Revenue ¥90.7B · Net income ¥15.1B

Avg. salary ¥12.1M · 43.6（parent only）

Toho[9602]

Real estate business

#8
Revenue
¥79.2B▼0.6%
Operating income
¥19B▲13.1%

Margin 24.0%

Whole company: Revenue ¥360.7B · Net income ¥51.8B

Avg. salary ¥9.5M · 37.9（parent only）

OYO[9755]

Dsisaster Prevention and Infrastructure + 2 more

#9
Revenue
¥76.3B▲3.0%
Operating income
¥4.07B▼7.1%

Margin 5.3%

Whole company: Revenue ¥76.3B · Net income ¥4.33B

Avg. salary ¥7.2M · 45.4（parent only）

NEW Cosmos Electric[6824]

#11▲
Revenue
¥50.1B▲18.8%
Operating income
¥7.35B▲42.6%

Margin 14.7%

Avg. salary ¥7.5M · 41.8（parent only）

Mirait ONE[1417]

Kokusai Kogyo Co., Ltd.

#12▼
Revenue
¥49.6B▲0.2%
Operating income
¥1.84B▲19.7%

Margin 3.7%

Whole company: Revenue ¥602.4B · Net income ¥23.3B

Avg. salary ¥7.7M · 44.9（parent only）

※ Card revenue and operating income cover only the segment in this industry; “Whole company” shows consolidated revenue and net income.

Other companies: People, Dreams & Technologies Group · EJ Holdings · Asia Air Survey · Sekisui Jushi · DN Holdings · Maeda Kosen · Teikoku Sen-I · Subaru Enterprise · NJS · Nihon Suido Consultants · Konishi · tenox · Tokyo Rope MFG. · ERI Holdings · Ohba · Nagoya Electric Works · Shigematsu Works · SE · Nippon Kanryu Industry · Wesco Holdings · Nakabohtec Corrosion Protecting · Kawasaki Geological Engineering · Kozo Keikaku Engineering Holdings · Toyo Kanetsu · Oiles · Yamau Holdings · Fenwal Controls of Japan · Sakura Rubber · IDEA Consultants. · Katakura Industries · Original Engineering Consultants · Kyowa Engineering Consultants · C.E.Management Integrated Laboratory · Technoflex · Vertex · Japan Ecosystem · Meiho Holdings · Terra Drone · Nippon Rietec · Kitac …+7

The weather is derived mechanically from year-over-year totals of revenue and operating income (both up = sunny, both down = rainy).

Switch years to see how the map shifts

Who earns the money

Area = revenue from businesses in this industry. Color = operating margin.

LossHigh margin(middle = 0% margin)

Who makes a profit

Across = revenue (log scale), up = operating margin, bubble size = operating income.

Ranking and momentum

RankCompany (business)RevenueShareOp. marginCAGRFCF*
1SecomFire protection services + 1 more¥247.5B13.3%12.2%+4.8%¥113B
2Nohmi BosaiFire alarm system + 2 more¥134.6B7.2%21.4%+5.7%¥9.32B
3CTI EngineeringDomestic construction consultant + 1 more¥101B5.4%9.1%+8.0%¥4.47B
4Morita HoldingsAmbulance + 1 more¥96.6B5.2%13.8%+9.0%¥3.31B
5Oriental Consultants Holdingsinfra management Service + 1 more¥93.1B5.0%5.9%+8.7%-¥2.92B
6▲1AlsokTotal building management services and disaster prevention services¥93B5.0%12.1%+8.1%¥14.7B
7▼1SHO-BOND HoldingsDomestic construction¥86.8B4.7%22.9%+3.0%¥8.62B
8TohoReal estate business¥79.2B4.3%24.0%+4.7%¥49.9B
9OYODsisaster Prevention and Infrastructure + 2 more¥76.3B4.1%5.3%—¥5.94B
10Nippon Dry-Chemical¥60.5B3.3%13.2%+7.8%¥2.78B
11▲1NEW Cosmos Electric¥50.1B2.7%14.7%+9.9%¥4.42B
12▼1Mirait ONEKokusai Kogyo Co., Ltd.¥49.6B2.7%3.7%—¥13B
13▲1People, Dreams & Technologies GroupCONSULTANT BUSINESS + 1 more¥45.3B2.4%—+6.8%-¥2.01B
14▲2EJ Holdings¥42.7B2.3%10.5%+5.6%¥2.79B
15▼2Asia Air Survey¥41.6B2.2%6.9%+6.4%-¥1.3B
16▼1Sekisui JushiPublic Sector Business¥41.6B2.2%6.6%+6.3%¥2.69B
17DN Holdings¥37B2.0%7.3%+4.8%¥2.58B
18Maeda KosenSocial Infrastructure¥36.4B2.0%20.2%+7.0%¥11.2B
19▲1Teikoku Sen-IDisaster Prevention and Preparedness¥27.3B1.5%15.8%+0.1%¥2.23B
20▼1Subaru EnterpriseRoad¥27.2B1.5%18.5%+1.1%¥2.49B
21▲3NJSDomestic operations + 1 more¥24.9B1.3%13.2%+6.8%¥1.41B
22▲1Nihon Suido Consultants¥24.4B1.3%9.8%+5.6%¥2.24B
23▼2KonishiCivil engineering construction¥23.1B1.2%10.3%+6.4%¥8.43B
24▼2tenoxConstruction business + 1 more¥21.1B1.1%6.1%+9.2%¥694.9M
25Tokyo Rope MFG.Development products related¥19.9B1.1%11.0%+1.2%¥3.1B
26newERI HoldingsBuilding Confirmation and Inspection,Housing Performance Evaluation and related services + 1 more¥19.5B1.0%10.0%—¥403.3M
27Ohba¥18.1B1.0%10.7%+3.4%-¥598.9M
28▼2Nagoya Electric Works¥17.3B0.9%10.1%-0.1%¥3.51B
29▲1Shigematsu Works¥15.6B0.8%6.8%+7.0%-¥1.52B
30▼2SEConstruction Material and Equipment Business + 2 more¥15.5B0.8%6.5%-0.7%¥386.2M
31▼2Nippon Kanryu IndustryConstruction business¥14.7B0.8%8.2%+0.3%¥219.7M
32▼1Wesco HoldingsCivil engineering consultants¥13.8B0.7%7.9%+2.5%¥1.04B
33▼1Nakabohtec Corrosion ProtectingPort + 2 more¥12.9B0.7%27.7%+3.3%¥1.51B
34▲2Kawasaki Geological Engineering¥12.7B0.7%5.2%—-¥1.58B
35newKozo Keikaku Engineering HoldingsEngineering consulting¥12B0.6%41.3%—¥2.51B
36▼1Toyo KanetsuBusiness Innovation and Incubation¥11.5B0.6%4.1%—¥4.26B
37▼4OilesStructural Division¥11.2B0.6%11.6%-2.3%¥4.73B
38▼4Yamau HoldingsFlood gate and sluice manufacturing, work, and maintenance + 3 more¥8.85B0.5%8.9%-0.8%¥859.8M
39▼2Fenwal Controls of JapanSafety security protection division + 1 more¥8.45B0.5%13.9%+1.1%-¥493.3M
40▼1Sakura RubberFire fighting and disaster prevention products¥8.3B0.4%6.3%+11.2%-¥1.16B
41▼3IDEA Consultants.Construction consultant business + 1 more¥7.86B0.4%14.0%+1.9%¥323.1M
42Katakura IndustriesMachinery business¥7.82B0.4%9.9%+2.2%¥5.7B
43newOriginal Engineering ConsultantsConstruction consultant¥7.51B0.4%13.7%—¥434.8M
44▼3Kyowa Engineering ConsultantsConstruction consultant¥7.01B0.4%14.9%+4.6%¥779.6M
45▼5C.E.Management Integrated LaboratoryIntegrated testing service + 1 more¥6.99B0.4%19.1%+0.5%¥257.5M
46▼3TechnoflexDisaster prevention and construction business¥6.8B0.4%22.2%+15.0%¥4.17B
47▼3VertexSlope Disaster prevention¥4.64B0.2%34.4%—¥3.39B
48▼1Japan EcosystemTransport infrastructure business¥4.37B0.2%16.4%+16.4%-¥2.75B
49▼4Meiho HoldingsConstruction related business¥4.17B0.2%13.6%+12.2%¥835.3M
50▼4Terra DroneDrone Solutions Segment¥4.16B0.2%-10.4%+26.2%-¥1.72B

Showing the top 50. See all 59 in the list below

* FCF is company-wide (not disclosed by segment). CAGR covers the available years, up to five.

How they make money differently

Where each company's ¥100 of sales goes, and how much it keeps (company-wide).

Ownership links

From the major-shareholder section of annual securities reports.

The company on each card is a major shareholder of the companies listed under it (latest 'major shareholders' disclosure). 50%+ is labelled subsidiary and 20%+ affiliate, based on ownership alone. Stakes under 3% are omitted. Showing up to 24 shareholder cards.

Compare the leaders side by side

All companies in Disaster Prevention & Infrastructure Maintenance (by revenue)

All 59 companies in this industry, ranked by revenue in each company's latest fiscal year. For companies that belong through one business segment, the figure is that segment's revenue.

  1. Secom¥247.5B · 12.2%
  2. Nohmi Bosai¥134.6B · 21.4%
  3. CTI Engineering¥101B · 9.1%
  4. Morita Holdings¥96.6B · 13.8%
  5. Oriental Consultants Holdings¥93.1B · 5.9%
  6. Alsok¥93B · 12.1%
  7. SHO-BOND Holdings¥84.8B · 23.2%
  8. Toho¥79.2B · 24.0%
  9. OYO¥76.3B · 5.3%
  10. Nippon Dry-Chemical¥60.5B · 13.2%
  11. NEW Cosmos Electric¥50.1B · 14.7%
  12. Mirait ONE¥49.6B · 3.7%
  13. Maeda Kosen¥46.8B · 18.9%
  14. EJ Holdings¥46.6B · 10.0%
  15. People, Dreams & Technologies Group¥45.3B
  16. Asia Air Survey¥41.6B · 6.9%
  17. Sekisui Jushi¥41.6B · 6.6%
  18. DN Holdings¥37B · 7.3%
  19. Teikoku Sen-I¥27.3B · 15.8%
  20. Subaru Enterprise¥27.2B · 18.5%
  21. NJS¥24.9B · 13.2%
  22. Nihon Suido Consultants¥24.4B · 9.8%
  23. ERI Holdings¥24.4B · 20.3%
  24. Konishi¥23.1B · 10.3%
  25. tenox¥21.1B · 6.1%
  26. Tokyo Rope MFG.¥19.9B · 11.0%
  27. Nagoya Electric Works¥17.3B · 10.1%
  28. Ohba¥17B · 11.6%
  29. Shigematsu Works¥15.6B · 6.8%
  30. SE¥15.5B · 6.5%
  31. Nippon Kanryu Industry¥14.7B · 8.2%
  32. Wesco Holdings¥13.8B · 7.9%
  33. Kozo Keikaku Engineering Holdings¥13.3B · 39.5%
  34. Nakabohtec Corrosion Protecting¥12.9B · 27.7%
  35. Kawasaki Geological Engineering¥12.7B · 5.2%
  36. Toyo Kanetsu¥11.5B · 4.1%
  37. Oiles¥11.2B · 11.6%
  38. Yamau Holdings¥8.85B · 8.9%
  39. Fenwal Controls of Japan¥8.45B · 13.9%
  40. Sakura Rubber¥8.3B · 6.3%
  41. IDEA Consultants.¥7.86B · 14.0%
  42. Katakura Industries¥7.82B · 9.9%
  43. Original Engineering Consultants¥7.51B · 13.7%
  44. Kyowa Engineering Consultants¥7.01B · 14.9%
  45. C.E.Management Integrated Laboratory¥6.99B · 19.1%
  46. Technoflex¥6.8B · 22.2%
  47. Vertex¥4.64B · 34.4%
  48. Japan Ecosystem¥4.37B · 16.4%
  49. Meiho Holdings¥4.3B · 15.2%
  50. Terra Drone¥4.16B · -10.4%
  51. Nippon Rietec¥3.16B · 13.2%
  52. Kitac¥3.1B
  53. Jibannet Holdings¥2.92B · 12.3%
  54. Maruyama MFG.¥2.47B · 5.1%
  55. Liberaware¥1.41B · -112.9%
  56. Toyokoh¥1.35B · 18.5%
  57. Blue innovation¥1.05B · -52.1%
  58. Puequ¥971.2M · 14.5%
  59. TriIs¥333.7M · 16.0%

Revenue · Op. margin

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