大成設備（株）
- Company typePrivate
- Founded1965
- HeadquartersTokyo, Japan
- Headcount1–10
- GTM typeB2B
- OfferingServices
大成設備（株） firmographics
Firmographics- Name
- 大成設備（株）
- Legal name
- 大成設備株式会社
- Website
- https://taisei-setsubi.jp
- Company type
- Private
- Founded year
- 1965
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Ownership category
- akta.pro rank
大成設備（株） industry classification
Industry- Product category
- Building Equipment Construction Services
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (238220), Architectural, Engineering, and Related Services (5413)
- SIC
- Electrical Industrial Apparatus (3620)
- akta.pro primary industry
- HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration) (EUAEAFAE)
- akta.pro secondary industry
- Drywall, Partitions & Suspended Ceilings (IMAFANAG)
Keywords
Where 大成設備（株） is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices11 records
Markets served
大成設備（株） business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Construction Services: The company generates revenue primarily through construction services including air conditioning equipment, plumbing and sanitation equipment, electrical equipment, fire protection facilities, building construction, steel structure work, interior finishing work, electrical communication work, renewal construction, and sales/mediation/agency of building mechanical equipment. Revenue is project-based with completion-based billing (完成工事高).
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
大成設備（株） product offering
Product offeringCore offering
Taisei Setsubi Co., Ltd. is an integrated building equipment construction specialist (総合設備工事会社) that designs and constructs HVAC systems, plumbing and sanitation equipment, electrical systems, and interior finishing for new buildings and renewal projects. Operating as a wholly-owned subsidiary of Taisei Corporation within the Taisei Construction Group, the company delivers end-to-end building equipment services to government, commercial, healthcare, transportation, education, sports, hospitality, and logistics/industrial clients across Japan through its nationwide branch network.
Product overview
大成設備（株）is a comprehensive building equipment contractor specializing in four core service areas: air conditioning (HVAC), plumbing and sanitation, electrical equipment, and interior finishing work. The company operates under the Taisei Construction Group and offers integrated services including new construction, renovation/renewal projects, and specialized technical consulting services. The product portfolio includes building equipment construction as the primary offering, supplemented by renovation services for HVAC, plumbing, electrical and interior systems, energy-saving diagnosis services, deterioration diagnosis evaluation, and renewal ZEB (Zero Energy Building) technology solutions. The company positions itself as a one-stop service provider capable of handling all equipment-related renovation work without requiring coordination between separate contractors.
Differentiator
Problem solved
Functional benefit
Products and services
- Building Equipment Construction (建築設備工事) Comprehensive building equipment construction services covering four specialized fields: air conditioning (HVAC), plumbing and sanitation, electrical systems, and interior finishing work for new construction projects.
- Interior Finishing Work (内装工事) Interior finishing construction including renovations for stores, accommodations, kitchens, factories, bathhouses, and toilets as part of building equipment projects.
- Electrical Equipment (電気設備) Electrical equipment services including generator systems, power transformation, security systems, telecommunications, broadcasting, fire alarms, lightning protection, lighting, power distribution, and battery systems.
- Plumbing and Sanitation Equipment (給排水衛生設備) Plumbing and sanitation equipment including water supply, drainage, hot water systems, filtration, rainwater harvesting, sanitary fixtures, medical/special gases, fire protection, and kitchen equipment.
- Renewal Construction (リニューアル工事) Building renewal and renovation construction services for HVAC, plumbing, electrical, and interior systems to extend building lifespan and improve functionality.
- Energy-Saving Diagnosis (省エネルギー診断) Energy-saving diagnosis service that analyzes existing building energy consumption and provides recommendations for appropriate energy efficiency improvements.
- Deterioration Diagnosis and Evaluation (劣化診断評価) Building equipment deterioration diagnosis and evaluation service using BELCA-certified technicians to assess equipment condition and provide lifecycle cost optimization recommendations.
- Renewal ZEB (リフレッシュZEB) Zero Energy Building renovation technology that achieves ZEB standards through equipment renewal combined with building-wide renovation, supporting customer carbon neutrality goals.
Quantifiable outcome
- Achieved ZEB Ready certification for Yokohama Branch building with 39% CO2 reduction and 38.4% energy cost reduction
- +1 more outcomes
Companies that use 大成設備（株）
Customer profileNamed customers13 records
Segments8 records
Ideal customer profiles5 records
大成設備（株） technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
大成設備（株） partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core and minor.
- 大成建設株式会社coreParent company of大成設備. 大成設備 was originally established as Daiko Setsubi Koji Co., Ltd. (大幸設備工事株式会社) and later renamed to Taisei Setsubi Co., Ltd. (大成設備株式会社) in 1968. The company operates as a subsidiary within the Taisei Corporation group, receiving construction projects and technical support while maintaining independent operations.
- 大成建設技術センターcoreTaisei Corporation's technology center where大成設備 participated in construction of the ZEB demonstration building (人と空間ラボ).
- 大成ユーレック株式会社minorTaisei Group company.大成設備 collaborated on the 大成ユーレック川越工場 ZEB project achieving net ZEB certification.
- 株式会社リンクアンドモチベーションminorProvides モチベーションクラウド (Motivation Cloud) platform for engagement surveys. The company achieved AA rating (61.9) in the June 2025 survey, above the construction industry average of 47 (B).
Scale indicators8 records
Recent moves8 records
Expansion highlights5 records
大成設備（株） competitors and assessment
Company assessmentBroad incumbents
- Taisei Corporation: Parent company and Japan's largest super-zeneral contractor. While a broader incumbent that handles overall construction management, Taisei Corporation is the source of substantial project flow to Taisei Setsubi and shapes its competitive positioning within the group.
- Shimizu Corporation: One of Japan's largest general contractors with a comprehensive building services portfolio. Comparable to Taisei Corporation as a group peer — competes with Taisei Setsubi (and its parent) in delivering integrated MEP packages for large-scale projects.
Direct peers
- Yurtec Corporation: Tohoku-region electrical and mechanical construction contractor with national reach. Comparable in scale and service mix to Taisei Setsubi, particularly in facility electrical and HVAC work.
- Kyudenko: Large Japanese electrical and mechanical engineering contractor based in Kyushu. Overlaps with Taisei Setsubi's facility construction services, particularly in electrical and HVAC installation.
- Kandenko: One of Japan's largest electrical construction and infrastructure companies. Overlaps with Taisei Setsubi's electrical equipment work, though Kandenko is more weighted toward power infrastructure and telecom.
- Nippon Densetsu Kogyo: Japanese electrical construction company specializing in railway and building infrastructure. Comparable to Taisei Setsubi in electrical equipment contracting for transportation and institutional facilities.
- Dai-Dan (Taikisha): Japanese MEP and industrial HVAC engineering contractor. Comparable in integrated building equipment design-build and the broader construction services market that Taisei Setsubi serves.
- Takasago Thermal Engineering: Japan's largest HVAC/building services engineering contractor. Directly competes with Taisei Setsubi in air conditioning, plumbing, and electrical equipment construction for commercial, industrial, and public-sector projects, with similar one-stop MEP service model.
- Sanki Engineering: Major Japanese HVAC, plumbing, and electrical facility construction specialist. Directly comparable to Taisei Setsubi in integrated building equipment contracting, with similar customer mix across government, healthcare, and commercial real estate.
- Kinden Corporation: Major Japanese electrical construction contractor with broad facility services. Comparable to Taisei Setsubi in electrical and HVAC contracting for buildings, with established nationwide branch network similar to Taisei Setsubi's 10 branches.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
大成設備（株） social profiles
Digital presence大成設備（株） compliance and trust
Trust signalCompliance3 records
大成設備（株） financial estimates
Financial estimateRevenue estimate
Valuation estimate
大成設備（株） leadership team
Management profileNumber of profiles
Profiles13 records
大成設備（株） funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
大成設備（株） M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about 大成設備（株）
What does 大成設備（株） do?
Taisei Setsubi Co., Ltd. is an integrated building equipment construction specialist (総合設備工事会社) that designs and constructs HVAC systems, plumbing and sanitation equipment, electrical systems, and interior finishing for new buildings and renewal projects. Operating as a wholly-owned subsidiary of Taisei Corporation within the Taisei Construction Group, the company delivers end-to-end building equipment services to government, commercial, healthcare, transportation, education, sports, hospitality, and logistics/industrial clients across Japan through its nationwide branch network.
Is 大成設備（株） a public or private company?
大成設備（株） is a private company. It is classified as corporate owned and is currently operating.
When was 大成設備（株） founded?
大成設備（株） was founded in 1965. It employs 1 to 10 people.
Where is 大成設備（株） based?
大成設備（株） is headquartered in Tokyo, Japan, in the Asia region.
How does 大成設備（株） make money?
One revenue line is on record: construction Services.
Who are 大成設備（株）'s main competitors?
Broad incumbents on record are Taisei Corporation and Shimizu Corporation. Direct peers are Yurtec Corporation, Kyudenko, Kandenko, Nippon Densetsu Kogyo, Dai-Dan (Taikisha), Takasago Thermal Engineering, Sanki Engineering and Kinden Corporation.
Does 大成設備（株） have an API?
No public API is recorded for 大成設備（株）.
What industry is 大成設備（株） in?
大成設備（株）'s product category is Building Equipment Construction Services. Its primary akta.pro industry code is EUAEAFAE, HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration), with a secondary code of IMAFANAG, Drywall, Partitions & Suspended Ceilings. Its NAICS code is 238220 and its SIC code is 3620.