Sanwa General Contractor
Sanwa General Contractor is a privately held Japanese design-build firm specializing in food factories (FACTAS), hazardous materials warehouses (RiSOKO/HAZ-BUILD), corporate dormitories, and rental condominiums, serving enterprise and logistics clients across the Kansai and Kanto regions.
- Company typePrivate
- Founded1947
- HeadquartersOsaka-shi, Japan
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Sanwa General Contractor does
Sanwa General Contractor (三和建設株式会社) is an Osaka-based, privately held Japanese general contractor founded in 1947, specializing in design-build construction of technically complex industrial facilities rather than broad-line commercial or residential construction. The company's core business addresses three primary vertical segments: food and beverage manufacturers (under the FACTAS® brand, offering HACCP-compliant factory design and construction), logistics and warehouse operators (under the RiSOKO® brand, specializing in hazardous materials warehouses, temperature-controlled facilities, and automated warehouses via the HAZ-BUILD systematized solution), and corporate/real estate clients (under the HuePLUS employee dormitory brand and SI200 skeleton-infill rental condominium brand). Notable technical capabilities include the FACTAS-TEC internal knowledge management system that accumulates project lessons across departments, ZEB certification for a hazardous materials warehouse (an industry-first overcoming constraints on solar panel installation in hazmat facilities), and the ability to execute 'in-operation' (居ながら改修) renovations that allow facilities to continue operating during construction work.
The company operates a multi-brand portfolio supported by eight wholly-owned group subsidiaries covering electrical work (Ogawa Densetsu), wood construction (Core Architecture Workshop), project management (AGEC), engineering (Sofc Engineering), equipment design (Ushio Equipment Consultant), painting (Mori Painting Industry), and HVAC manufacturing (Sankyo Air Conditioning), enabling integrated single-point-of-accountability delivery. Revenue is generated primarily through one-time construction contracts (project-based, ranging from small renovations under ¥50M to multi-billion-yen logistics developments), supplemented by ~1,000 small renovation projects annually, HACCP training courses at ¥46,500 per participant, and a growing consumer product line including the 'Salt Jelly Made by General Contractors' heatstroke prevention jelly (~¥100M annual revenue, distributed via the company's own STORES.jp e-commerce storefront). Distribution is exclusively domestic (Kansai and Kanto regions of Japan) through direct enterprise field sales from Osaka and Tokyo headquarters, supplemented by branded microsites, FACTAS/RiSOKO educational seminars, trade show participation, and earned media. The company is led by fourth-generation President Hisanori Morimoto and is controlled by the founding Morimoto family through parent holding company Sanwa Group Holdings Co., Ltd.
Sanwa General Contractor firmographics
Firmographics- Name
- Sanwa General Contractor
- Legal name
- 三和建設株式会社
- Website
- https://sgc-web.co.jp
- Company type
- Private
- Founded year
- 1947
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Sanwa General Contractor is a privately held Japanese design-build firm specializing in food factories (FACTAS), hazardous materials warehouses (RiSOKO/HAZ-BUILD), corporate dormitories, and rental condominiums, serving enterprise and logistics clients across the Kansai and Kanto regions.
- Ownership category
- akta.pro rank
Sanwa General Contractor industry classification
Industry- Product category
- Industrial Construction Services
- NAICS
- Industrial Building Construction (23621), Specialty Trade Contractors (238), Building Equipment Contractors (2382)
- SIC
- General Bldg Contractors - Nonresidential Bldgs (1540), Operative Builders (1531)
- akta.pro primary industry
- Industrial/Process Plant General Contracting (IMAFAAAH)
- akta.pro secondary industries
- Food & Beverage Processing Plant Construction (IMAFADAH), Commercial General Contracting (New Build) (IMAFAAAA)
Keywords
Where Sanwa General Contractor is headquartered
LocationHeadquarters
- HQ city
- Osaka-shi
- HQ country
- Japan
- HQ region
- Asia
Offices2 records
Markets served
Sanwa General Contractor business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure, Technology or R&D
Revenue model
- Construction Contract Revenue: One-time project-based fees for design and construction of food factories, hazardous goods warehouses, cold storage, rental condominiums, and renovation projects. Projects range from small-scale renovations (several million yen) to large-scale new construction. Revenue recognized upon project completion. As a general contractor (総合건설업), the company primarily acts as prime contractor (元請) rather than subcontractor.
- Consumer Product Sales (Salt Jelly): Sale of the 'ゼネコンがつくったしおゼリー' (Salt Jelly Made by General Contractors) heatstroke prevention jelly product. Sold via company's own e-commerce storefront (STORES.jp) and to corporate clients. Reached 420万本 cumulative sales in 2025, generating approximately ¥100 million in annual revenue. Also launched 'ケアベリー' (Care Jelly) in May 2025. Production partnership with Iwase Cosfa Co., Ltd.
- Renovation and Retrofit Services: Renovation and repair contract work for factories and warehouses, including '居ながら改修' (renovation while operating) services. Carries out over 1,000 renovation projects per year under ¥50 million. Includes facility management consulting, regulatory compliance support (適法化支援), and long-term maintenance planning.
- Seminars and Consulting (FACTAS/RiSOKO): Food factory construction seminars under the FACTAS brand and hazardous materials warehouse seminars under the RiSOKO brand, plus HACCP manager training courses. Revenue from seminar participation fees and consulting engagements. FACTAS seminars held since 2014; HACCP training course at ¥46,500 per participant.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Multi-year contract | Small-scale renovation projects (under ¥50 million) |
| Unit Pricing | Pay-as-you-go | ゼネコンがつくったしお젤리 (Salt Jelly) consumer product |
| Unit Pricing | Pay-as-you-go | HACCP管理者養成講座 (HACCP Manager Training) |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels6 records
Sanwa General Contractor product offering
Product offeringCore offering
Sanwa General Contractor (三和建設株式会社) is a Japan-based design-build general contractor that specializes in constructing food factories, hazardous material warehouses, cold storage facilities, rental condominiums, and corporate employee dormitories. The company acts as prime contractor (元請), delivering projects from planning through construction completion under specialized sub-brands (FACTAS, RiSOKO, HuePLUS, SI200, HAZ-BUILD). It also operates a renovation business (over 1,000 projects per year under ¥50M) and a small consumer product line (Salt Jelly heatstroke-prevention jelly) sold via its own e-commerce site.
Product overview
Sanwa General Contractor (三和建設株式会社) operates a multi-brand portfolio architecture built around specialized construction services. The core offering consists of design-build construction services for factories and warehouses, differentiated into several named sub-brands: FACTAS® handles food factory solutions including design, construction, and HACCP compliance consulting; RiSOKO® specializes in hazardous material, temperature-controlled, and automated warehouses; HuePLUS provides custom-built employee dormitories addressing corporate HR challenges; and SI200 delivers skeleton-infill rental apartments using the Runess structural system. Beyond construction, the company offers renovation and repair services including an 'in-operation renovation' (居ながら改修) approach, and operates a wood/wood-based construction division. The company has also diversified into consumer products with the ゼネコンがつくったしおザー (Salt Jelly Made by General Contractors) heatstroke prevention jelly, and operates an on-site nursery (りんごぐみ). The product line is supported by a group of subsidiary companies covering electrical work, wood construction, construction project management, engineering, equipment design, painting, and HVAC manufacturing.
Differentiator
Problem solved
Functional benefit
Brands
- FACTAS: Total solution brand for food factory design and construction, offering integrated services from planning to completion
- RiSOKO
- HuePLUS
- SI200
- ゼネコンがつくったしおゼリー
Products and services
- FACTAS® (ファクタス) Total solution brand for food factory design, construction, HACCP compliance support, facility management consulting, and renovation. Serves food and beverage manufacturers requiring specialized processing plants, cold storage, and HACCP-compliant facilities.
- RiSOKO® (リソウコ) Custom-built warehouse brand specializing in hazardous material warehouses, temperature-controlled warehouses, and automated warehouses. Provides end-to-end solutions from planning and design to construction, addressing complex regulatory requirements including fire authority compliance.
- HuePLUS (ヒュープラス) Custom-built corporate dormitory brand that addresses corporate challenges related to recruiting, retention, and employee development. Focuses on dormitory environments that support worker well-being and professional growth for young employees and外地 (field) workers.
- SI200 (エスアイ200) Skeleton-infill rental apartment brand using the Runess structural system, designed to maintain long-term asset value through high-density concrete construction and superior sound insulation. Targets real estate developers and rental property owners.
- HAZ-BUILD (危険物倉庫建築ソリューション) Systematized architectural solution combining design-build execution with regulatory consultation for hazardous material warehouses. Addresses operator uncertainty during administrative processes with fire authorities. Includes ZEB (Net Zero Energy Building) certification capability for hazardous facilities.
- Salt Jelly Made by General Contractors (ゼネコンがつくったしおゼリー) Salt replenishment jelly product developed for heatstroke prevention, containing BCAA, multivitamins, multiminerals, and tea flower extract. Produced at a GMP-certified factory with annual production scaled to millions of units. Sold through the company's own EC store and corporate bulk orders.
- Renovation and Repair Services (改修工事・リノベーション) Factory and warehouse renovation and repair services covering structural, exterior, interior, equipment, and facility improvements. Includes 居ながら改修 (in-operation renovation) allowing continued operations during construction, facility management consulting, and specialized services for food factories, hazardous material warehouses, and cold storage facilities. Over 1,000 projects per year under ¥50M.
- Wood Construction (木造・木質化事業) Wooden and wood-based construction services responding to environmentally conscious client needs. Supported by group company Core Architecture Workshop (コアー建築工房).
Quantifiable outcome
- Completed 20 hazardous materials warehouse projects totaling 53 buildings (44,129㎡) through HAZ-BUILD system, with 5 ongoing projects covering 64 buildings.
- +3 more outcomes
Companies that use Sanwa General Contractor
Customer profileNamed customers12 records
Segments5 records
Ideal customer profiles4 records
Sanwa General Contractor technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Sanwa General Contractor partnerships and signals
Strategic signalPartnerships
18 partnerships are on record, tiered core and minor.
- 岩瀬コスファ株式会社 (Iwase Cosfa)coreManufacturing partner for ゼネコンがつくったしお젤리 (Salt Jelly Made by General Contractors) heatstroke prevention product. Produces the jelly at GMP-certified factory with planned production of 3.5 million units for 2026. Partner since product inception in 2021.
- 三進金属工業株式会社 (Mishin Metal Industry)coreQuality rack manufacturer. Collaborated on the November 2025 RiSOKO seminar 'Legal reform-based rack selection for hazardous goods warehouses.' Combined Sanwa's regulatory expertise with Mishin's rack manufacturing capabilities for hazardous materials storage solutions.
- Agec株式会社 (AGEC)minorConstruction management company. Co-exhibited at 国際物流総合展2025 (International Logistics Exhibition 2025) alongside ASUIRO for integrated logistics facility solutions.
- 株式会社ASUIROminorLogistics marketing services company specializing in shipper development support. Co-exhibited at 国際物流総合展2025 providing combined logistics facility and marketing solutions.
- フクビ化学工業株式会社 (Fukuvi Chemical Industry)minorPartner in FACTAS environmental improvement seminar series. Provided non-combustible R-shaped wood moldings (不燃R巾木) suitable for food factory sanitation environments. Joint presentation on sanitation improvement at July 2025 FACTAS online seminar.
- 富士工業株式会社 (Fuji Industrial)coreJointly developed 'Built-in Oil Collector' (ビルトインオイルコレクター) with FUJIOH for food factory oil smoke countermeasures and duct fire risk reduction. Announced June 2026. Part of FACTAS environmental solution ecosystem.
- ProLogis JapancoreMajor logistics REIT and operator. Client for HAZ-BUILD hazardous materials warehouse projects including Prologis Park Koga 7 (44,129㎡, 20 projects total). Key reference client for RiSOKO brand capabilities.
- 兵機海運株式会社 (Hekikai Unyu)minorJoint exhibition at 第6回 関西物流展 (6th Kansai Logistics Exhibition) in April 2025. Combined logistics expertise for integrated facility solutions.
- 戸田建設株式会社 (Toda Corporation)minorJoint project for (仮称) TODA Park 阪奈 hazardous goods warehouse development. Sanwa provided hazardous goods warehouse regulatory and market expertise as seminar speaker at project site briefing event.
- 株式会社井上製作所 / 阿多野郷・野麦小水力発電 (Inoue Industry / Adanogo-Nomugi Small Hydroelectric)minorCo-developed small-scale hydroelectric power generation facilities in Takayama City, Gifu Prefecture as part of regional decarbonization initiative. Sanwa contributed as one of 4 construction companies in the regional construction industry new future research association.
- 株式会社潮設備コンサルタント (Ushio Equipment Consultant)minorGroup company providing specialized equipment design services for factories and warehouses. Supports the company's integrated design-build approach by providing mechanical and equipment design expertise. Full equity acquisition completed January 2022.
- ソークエンジニアリング株式会社 (Sofc Engineering)minorGroup company specializing in engineering services for factory and warehouse construction. Part of the Sanwa Group Holdings ecosystem.
- 株式会社小川電設 (Ogawa Densetsu)minorGroup company specializing in electrical installation work. Part of the Sanwa Group ecosystem, enabling comprehensive one-stop electrical solutions for construction projects.
- 株式会社コアー建築工房 (Core Architecture Workshop)minorGroup company specializing in wooden construction. Acquired to strengthen wood/wooden construction business in response to environmentally conscious customer demand. Enables technology and personnel exchange in timber construction.
- AGEC株式会社 (AGEC)minorGroup company specializing in construction project management (建設プロジェクトマネジメント). Enables comprehensive project management services as part of the integrated construction offering.
- 森塗装工業株式会社 (Mori Painting Works)minorGroup company specializing in painting/coating construction work. Full equity acquisition completed September 2022. Supports comprehensive finishing work for factories and warehouses.
- 三共空調株式会社 (Sankyo Air Conditioning)coreGroup company manufacturing and selling sanitary management equipment. Full equity acquisition completed April 2023. Co-develops products like the 'Built-in Oil Collector' with FUJIOH (announced June 2026) and exhibits jointly at FOOMA JAPAN. Key partner for food factory environmental solutions.
- 三和グループホールディングス株式会社 (Sanwa Group Holdings)coreParent holding company overseeing Sanwa Group of companies including Sanwa General Contractor, Ogawa Densetsu, Core Architecture Workshop, AGEC, Sofc Engineering, Ushio Equipment Consultant, Mori Painting Works, and Sankyo Air Conditioning.
Scale indicators7 records
Recent moves8 records
Expansion highlights6 records
Sanwa General Contractor competitors and assessment
Company assessmentEmerging players
- Fudo Tetra Corporation: Japanese construction firm with growing hazardous materials handling capabilities and warehouse construction portfolio. Represents an emerging specialist competitor in the same hazmat warehouse category where Sanwa has built HAZ-BUILD leadership.
Broad incumbents
- Takenaka Corporation: Established Japanese general contractor with strong food factory and industrial construction heritage. Competes for similar HACCP-compliant food facility and specialty warehouse projects, though as a broader incumbent rather than focused specialist.
- Kajima Corporation: Largest Japanese general contractor and former employer of Sanwa's founder. Competes broadly in industrial construction including factories and warehouses, though its scale and breadth place it as an incumbent rather than specialist. Sanwa's HAZ-BUILD positions against Kajima's industrial portfolio.
- Shimizu Corporation: Major Japanese general contractor with significant industrial construction portfolio. As a top-tier incumbent, competes for the same food factory and logistics warehouse contracts Sanwa targets, but lacks Sanwa's specialist regulatory and ZEB-certified hazmat positioning.
- Nippon Steel Engineering: Engineering and construction arm of Nippon Steel, active in industrial facility construction including warehouses and logistics infrastructure. Competes for large-scale industrial and logistics construction projects where Sanwa's specialist positioning matters.
Direct peers
- Okumura Corporation: Japanese general contractor with significant civil engineering and industrial building operations. Competes for similar industrial and warehouse construction contracts at comparable scale, with similar exposure to Japanese demographic and construction market dynamics.
- Matsui Construction: Mid-size Japanese construction firm with industrial and commercial building expertise. Comparable scale and regional positioning to Sanwa, with similar factory/warehouse construction focus and similar mid-tier GC profile competing for mid-size enterprise contracts.
- Toda Corporation: Major Japanese general contractor with industrial and warehouse construction capabilities. Sanwa already partners with Toda on the TODA Park hazmat warehouse project, confirming direct overlap in hazardous materials warehouse construction — the same niche Sanwa dominates via HAZ-BUILD.
Others
- ProLogis Japan: Major logistics REIT and customer of Sanwa for hazardous materials warehouses (Park Koga 7, Toyonaka, Inagawa). Not a direct competitor but the dominant buyer of industrial warehouse construction services in Japan — a key customer whose shifting supplier strategy directly impacts Sanwa's hazmat pipeline.
- Fukuvi Chemical Industry: Building materials manufacturer partnering with Sanwa on FACTAS food factory sanitation seminars. Adjacent ecosystem participant in the food factory construction value chain rather than direct competitor, but demonstrates the partner ecosystem supporting Sanwa's specialist positioning.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Sanwa General Contractor social profiles
Digital presenceSanwa General Contractor compliance and trust
Trust signalCompliance2 records
Sanwa General Contractor financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sanwa General Contractor leadership team
Management profileNumber of profiles
Profiles8 records
Sanwa General Contractor subsidiaries and ownership
Company hierarchySubsidiaries7 records
Sanwa General Contractor funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sanwa General Contractor M&A and investment
M&A and investmentM&A
Investments1 record
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sanwa General Contractor
What does Sanwa General Contractor do?
Sanwa General Contractor (三和建設株式会社) is a Japan-based design-build general contractor that specializes in constructing food factories, hazardous material warehouses, cold storage facilities, rental condominiums, and corporate employee dormitories. The company acts as prime contractor (元請), delivering projects from planning through construction completion under specialized sub-brands (FACTAS, RiSOKO, HuePLUS, SI200, HAZ-BUILD). It also operates a renovation business (over 1,000 projects per year under ¥50M) and a small consumer product line (Salt Jelly heatstroke-prevention jelly) sold via its own e-commerce site.
Is Sanwa General Contractor a public or private company?
Sanwa General Contractor is a private company. It is classified as family owned and is currently operating.
When was Sanwa General Contractor founded?
Sanwa General Contractor was founded in 1947. It employs 101 to 250 people.
Where is Sanwa General Contractor based?
Sanwa General Contractor is headquartered in Osaka-shi, Japan, in the Asia region.
How does Sanwa General Contractor make money?
Four revenue lines are on record. Construction Contract Revenue is the primary driver. The others are consumer Product Sales (Salt Jelly), renovation and Retrofit Services and seminars and Consulting (FACTAS/RiSOKO).
Who are Sanwa General Contractor's main competitors?
Fudo Tetra Corporation is listed as an emerging player. Broad incumbents are Takenaka Corporation, Kajima Corporation, Shimizu Corporation and Nippon Steel Engineering. Direct peers are Okumura Corporation, Matsui Construction and Toda Corporation. Others are ProLogis Japan and Fukuvi Chemical Industry.
Does Sanwa General Contractor have an API?
No public API is recorded for Sanwa General Contractor.
What industry is Sanwa General Contractor in?
Sanwa General Contractor's product category is Industrial Construction Services. Its primary akta.pro industry code is IMAFAAAH, Industrial/Process Plant General Contracting, with a secondary code of IMAFADAH, Food & Beverage Processing Plant Construction. Its NAICS code is 23621 and its SIC code is 1540.