Asahi Kogyosha

What Asahi Kogyosha does

Asahi Kogyosha (朝日工業社, ASAHI KOGYOSHA CO., LTD.) is a Tokyo-headquartered, Tokyo Stock Exchange Prime Market-listed (ticker 1975) engineering contractor founded in 1925 that designs, constructs, and services air-conditioning, ventilation, and sanitation systems for commercial, industrial, institutional, and government facilities in Japan. Its reference project base spans semiconductor fabrication (JASM/TSMC Japan), hospitality (Hilton Yokohama), public buildings (Tagajo City Hall, Sasebo US Military Base), commercial real estate (Daido Life Yokohama Building), food manufacturing (Bourbon Uonuma Factory), and educational institutions (Senzoku Gakuen, Sanko Gakuen). The company employs 501-1,000 people and operates through a Tokyo headquarters, an Osaka regional construction branch, and additional domestic field execution sites.

The company runs two integrated business segments. The Equipment Installation Work Division delivers design, construction, and on-site supervision of HVAC and sanitation systems, including clean-room environments, snow-cooling installations, and industrial drying systems. The Equipment Manufacturing and Sales Division develops and sells proprietary precision-control hardware, most notably a high-performance dryer system for coating and printing process lines. Underpinning both is an in-house Technical Research Institute that develops ZEB air-conditioning systems, artificial-light plant cultivation facilities, 3D scanner-based construction measurement, deodorization and VOC countermeasure technology, environmental visualization systems, and work-environment improvement solutions.

Asahi Kogyosha monetizes primarily through B2B project-based contracts (construction services) and direct hardware sales of proprietary equipment, using an enterprise field sales motion targeting general contractors, facility owners, and public-sector clients. Pricing is not publicly disclosed and is negotiated per project. Ownership is dispersed across Japanese institutional shareholders (Japan Master Trust Trust Bank 9.40%, Mizuho Bank 4.48%, NORinchukin Bank 4.45%, Nippon Life Insurance 3.87%), employee/partner stock associations, and individuals, with President Yasuyoshi Takasu holding 3.15%. The company is in its 100th anniversary year (2025), has published ASAHI-VISION 2050 as its long-term strategic vision, and operates a TSE Prime-compliant governance and ESG disclosure regime including TCFD reporting and a CDP Supplier Engagement Rating of A.

Name

Asahi Kogyosha

Legal name

ASAHI KOGYOSHA CO.,LTD.

Website

https://asahikogyosha.co.jp

Company type

Public

Founded year

1925

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Asahi Kogyosha (朝日工業社) is a Japan-based, TSE Prime-listed HVAC and sanitation engineering contractor founded in 1925, serving semiconductor, hospitality, government, and industrial clients with design-build installation services and proprietary precision-control equipment such as high-performance dryer systems.

Ownership category

akta.pro rank

Product category

HVAC and Sanitation Construction Services

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB)

akta.pro secondary industries

HVAC & Refrigeration Contracting (IMAFALAB), Restroom & Hygiene Dispensing Systems (Commercial/Industrial) (IMAHALAH)

Keywords

• HVAC installation services
• Sanitation equipment construction
• Building environmental systems
• Precision control equipment
• Industrial drying systems

Headquarters

HQ city

Hamamatsucho

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Equipment Installation Work Division: Design, construction, and supervision of environmental equipment systems including HVAC and sanitation installations for buildings and industrial facilities
2. Equipment Manufacturing and Sales Division: Development, manufacturing, and sale of precision control equipment and HVAC-related products

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Asahi Kogyosha designs, constructs, and supervises air-conditioning (HVAC) and sanitation equipment installations for commercial, industrial, and public facilities. The company also manufactures and sells proprietary precision control equipment, including high-performance drying systems for coating and printing processes, through its Equipment Division. Operating since 1925, it provides integrated facility solutions combining construction services with in-house equipment manufacturing.

Product overview

Asahi Kogyosha operates two main business segments: Installation Work Division for air conditioning and sanitation equipment design and construction, and Equipment Division for manufacturing and sales of precision control equipment including high-performance dryer systems. The company provides integrated solutions combining facility installation services with proprietary equipment products, serving sectors including health/medical, production, business, and leisure environments. Research and development focuses on ZEB air conditioning systems, artificial light plant cultivation facilities, 3D scanner measurement support, work environment improvement, deodorization/VOC countermeasures, and visualization technologies.

Differentiator

Problem solved

Functional benefit

Products and services

• Installation Work Division (設備工事事業) Air conditioning and sanitation equipment design, construction, and supervision services for commercial buildings, factories, hospitals, public infrastructure, semiconductor fabs, and other facilities. Targets enterprise and government clients requiring precision environmental control.
• Equipment Division (機器製造販売事業) Development, manufacturing, and sales of precision control equipment and HVAC-related products, including high-performance dryer systems for coating and printing manufacturing lines. Sold directly to industrial customers.
• High-Performance Dryer System (高性能乾燥ドライヤシステム) High-performance drying system for coating and printing processes in manufacturing lines; targeted at equipment construction companies and industrial manufacturers.

Quantifiable outcome

• CDP Supplier Engagement Rating: A (highest rating)
• +2 more outcomes

Named customers11 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Two partnerships are on record, tiered core and minor.

• Asahi Kogyo Safety and Health Cooperation AssociationcoreStrategic or Co-development Partner · 16 June 2026Organizational partnership for safety promotion; coordinates annual Safety Promotion Conference; develops safety programs and certifications including the Asahi Meister certification program
• Construction Exchange Center (Osaka)minorOthersVenue provider for annual Safety Promotion Conference events

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Daikin Industries: Global leader in HVAC equipment manufacturing (TSE Prime: 6367). As a major HVAC equipment OEM that Asahi would install and integrate, Daikin represents the equipment supply ecosystem Asahi participates in as both customer and competitor in some segments.
• Carrier Global Corporation: Global HVAC, refrigeration, and building automation systems provider. Comparable in commercial/industrial refrigeration, air handling, and climate control product portfolio relevant to Asahi's facility installation and equipment manufacturing business.
• Trane Technologies: Global commercial and industrial HVAC equipment manufacturer. Comparable in commercial/industrial HVAC products and serves similar semiconductor, healthcare, and commercial building end markets to Asahi Kogyosha.
• Mitsubishi Electric: Major Japanese conglomerate (TSE: 6503) with a substantial Building Systems division manufacturing elevators, HVAC, and building automation equipment. Broad incumbent competing with Asahi in both equipment supply and integrated solutions.

Direct peers

• Kandenko: Large Japanese multi-trade construction firm (TSE Prime: 1942) with significant HVAC, electrical, and sanitation installation operations. Comparable in scope of facility construction services for commercial and industrial clients.
• Kyudenko: Japanese integrated facility construction company (TSE Prime: 1959) providing HVAC, electrical, and sanitation installations. Comparable project-based business model serving commercial and public-sector building construction.
• Yurtec Corporation: Mid-tier Japanese facility construction firm (TSE: 1934) offering HVAC, electrical, and plumbing installations. Similar size and project profile to Asahi Kogyosha for comparison.
• Sanki Engineering: Major Japanese HVAC and sanitation facility contractor (TSE: 1961) serving commercial buildings, factories, and infrastructure. Operates the same design-build-install business model for HVAC, plumbing, and sanitation systems as Asahi Kogyosha.
• Shinryo Corporation: Established Japanese HVAC and cleanroom systems contractor specializing in semiconductor, pharmaceutical, and industrial facility environmental control. Closely comparable to Asahi's semiconductor fab and industrial precision-control capabilities.
• Takasago Thermal Engineering: Japan's largest dedicated HVAC contractor (TSE Prime: 1969) with similar design-build capabilities for commercial, industrial, and semiconductor facility HVAC systems. Directly comparable in target customers, project model, and technical scope.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCQrjuyqOocfl4MwlxfUHmGg
• Xx.com/asahikogyosha

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments2 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Asahi Kogyosha