What KMAC does

K'MAC Co., Ltd. (ケィ・マック株式会社) is a privately-held Japanese manufacturing and trading group founded in 1971 and headquartered in Yodogawa-ku, Osaka. The company designs, manufactures, processes, and sells composite parts made from metals, non-ferrous metals, and resins, operating across five business segments: Environmental & New Field Business (aluminum materials, solar components, 24-hour ventilation systems, hydrogen fuel cell products), Automotive & Industrial Machinery Business (cold forged parts, machined products, clips, rivets, pipe processing, wire crimping components for turbochargers, seat belts, airbags, and actuators), Housing/Daily Goods/Nursing Care Business (bath covers, bathroom products, composite panel products, nursing care equipment), Overseas Business (manufacturing and trading subsidiaries in China, Thailand, and the USA serving Japanese and local OEMs), and Group Strategy Business (M&A-driven niche-top growth across chemicals, plastics, and FRP adjacencies via subsidiaries Topre, Daikyo Chemical, PRS, and Plus Industry).

The company's core technology portfolio spans cold forging, pipe terminal processing (bulge, spool, flaring, swaging), composite panel molding, resin extrusion molding, blow molding, and FRP hand lay-up molding, with proprietary robot edge-attachment capabilities. Recent product innovation centers on two distinct initiatives: Hydrofty, a hydrogen fuel cell combined with lithium-iron-phosphate battery storage delivering 4,600Wh for disaster/emergency power supply; and MOC-TEX, a sustainable wood-powder biopolyurethane textile (up to 80% biomass content, 100,000+ Martindale abrasion cycles) co-developed with San Nopco and Ueda Yasuko Fashion College, winner of the Wood Design Award 2025 Lifestyle Design category. The group operates ten domestic offices/factories across Osaka, Hyogo, Shiga, Kyoto, Hiroshima, Hokkaido, and Tokyo, plus five overseas subsidiaries in Shanghai, Dalian, Hong Kong, Bangkok, and San Antonio, with approximately 317 employees at the parent and ~388 across the group.

K'MAC generates revenue almost entirely through direct B2B sales of manufactured parts and products, with no disclosed public pricing or subscription model. Go-to-market is sales-led through domestic sales representatives and overseas subsidiary staff, supplemented by participation in industry exhibitions (Osaka Kan-gyo Exhibition, Sangyo Koryuten, FC EXPO, Resona Future Summit, and the 2025 Osaka-Kansai Expo). Registered capital stands at ¥90,000,000; revenue is not publicly disclosed. Customer concentration is moderate, with the largest implied exposure to Japanese automotive tier-1 OEMs through the Automotive & Industrial Machinery segment, partially offset by diversified housing, environmental, and nursing-care end-markets. The company is managed under a founder-controlled ownership structure with no disclosed institutional investors, PE/VC backers, or public listing.

Name

KMAC

Legal name

ケィ・マック株式会社

Website

https://kmacnet.co.jp

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

11–50 employees

Short description

K'MAC is a privately-held Japanese manufacturer (founded 1971, Osaka-headquartered) that designs, produces, and sells metal, non-ferrous metal, and resin composite parts for automotive, housing, industrial machinery, and environmental customers across Japan, China, Thailand, and the USA.

Ownership category

akta.pro rank

Product category

Precision Metal and Resin Components Manufacturing

NAICS

Hardware Manufacturing (33251), Turned Product and Screw, Nut, and Bolt Manufacturing (33272), Machine Shops (33271), Cutlery and Handtool Manufacturing (3322)

SIC

Cutlery, Handtools & General Hardware (3420), Screw Machine Products (3451), Plastics Products, Nec (3089), Metal Shipping Barrels, Drums, Kegs & Pails (3412), Miscellaneous Fabricated Metal Products (3490), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Automotive Interior Trim & Cockpit Components Manufacturing (Dash/Console/Door Panels/Headliners) (IMACAKAB)

Keywords

• Cold forged parts
• Metal resin composites
• Automotive precision components
• Hydrogen fuel cell systems
• Housing equipment parts

Headquarters

HQ city

Yodogawa

HQ country

Japan

HQ region

Asia

Offices14 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales - Automotive & Industrial Machinery Parts: Sale of cold forged products, machined products, clips, rivets, pipe processing products, and wire crimping products to automotive and industrial machinery manufacturers domestically and internationally.
2. Product Sales - Housing, Daily Goods & Nursing Care: Sale of housing equipment parts, bathroom products, bath covers, nursing care equipment, and composite panel products to housing equipment manufacturers and care facilities.
3. Product Sales - Environmental & New Business: Sale of aluminum materials, solar-related components, aluminum logistics equipment, 24-hour ventilation systems (aire), and new energy products including hydrogen fuel cell systems.
4. Overseas Manufacturing & Sales: Manufacturing and sales operations through overseas subsidiaries in China (Shanghai, Dalian), Thailand, Hong Kong, and USA, supplying automotive parts, housing components, and seat belt parts.
5. Panel Mirror Sales: Sale of stainless steel composite panel mirrors for sports facilities, dance studios, swimming schools, and gyms. Includes mobile casters, folding types, and whiteboard-backed designs.
6. Hydrofty Emergency Power Systems: Hydrogen fuel cell battery systems for disaster emergency power supply, targeting public facilities, evacuation centers, and hospitals.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

K'MAC designs, manufactures, processes, and sells composite parts and products made of metals, non-ferrous metals, and resins. Its portfolio spans cold-forged automotive and industrial machinery components, housing/daily goods/nursing care equipment, and environmental/energy products, complemented by standalone offerings such as the Hydrofty hydrogen fuel cell emergency power system, unbreakable panel mirrors, and the MOC-TEX sustainable wood-powder textile. The company operates a Global & Local Niche Top (GNT) model with wholly-owned manufacturing and sales subsidiaries across Japan, China, Thailand, and the United States.

Product overview

K'MAC is a comprehensive manufacturing and trading company offering a diverse portfolio of products across five business segments: Environmental & New Field Business (including 24h ventilation systems and housing materials), Automotive & Industrial Machinery Business (cold forged, machined parts, pipe processing), Housing/Daily Goods/Nursing Care Business (bath covers, mirrors, nursing equipment), Overseas Business (global manufacturing and supply network), and Group Strategy Business (M&A-driven growth). The core products include Hydrofty hydrogen fuel cell battery systems for disaster preparedness, unbreakable panel mirrors for sports instruction, and MOC-TEX sustainable wood-powder textiles developed through co-creation partnerships. The company operates manufacturing bases in Japan, China (Shanghai, Dalian, Hong Kong), Thailand, and the USA, serving customers across housing, automotive, environmental, and industrial sectors with capabilities spanning design, manufacturing, processing, and assembly of metal and resin components.

Differentiator

Problem solved

Functional benefit

Brands

• Hydrofty: Hydrogen fuel cell with battery storage system designed as an emergency power source for disaster situations. Combines fuel cell and storage battery technology with 4,600Wh total output capacity.
• K'MAC BIZ
• MOC-TEX

Products and services

• Hydrofty Hydrogen Fuel Cell Battery System (ハイドロフティ) A standalone hydrogen fuel cell combined with iron-lithium battery storage system delivering 4,600Wh total capacity (1,000Wh fuel cell + 3,600Wh battery) for emergency and disaster preparedness power supply. Designed for public facilities, evacuation centers, and hospitals; features quiet operation and zero CO2 emissions.
• Panel Mirrors (パネルミラー) Unbreakable stainless-steel composite panel mirrors for sports instruction, dance studios, swimming schools, fitness facilities, and educational institutions. Available in folding mobile, caster-equipped, whiteboard-backed, and wall-mounted variants, with sizes up to 2740×1800mm.
• MOC-TEX Sustainable Wood-Powder Textile (モックテックス) A sustainable leather-like textile made from Japanese cedar wood powder (20-40%) and plant-derived water-based biopolyurethane resin (60-80%), achieving up to 80% biomass content. Features moisture absorption/desorption, odor elimination, and 100,000+ Martindale abrasion resistance. Used in fashion items such as airline headrest covers, business card holders, and jackets.
• Automotive & Industrial Machinery Parts Cold-forged products, machined products, clips, rivets, pipe processing products, and wire-crimped components for automotive OEMs and industrial machinery manufacturers. Applications include electrification parts, turbochargers, starters, alternators, actuators, seats/sun visors, airbags, and seat belts, supplied through the company's domestic and overseas network.
• Environmental & New Field Products (aire 24h Ventilation System and Aluminum Materials) Aluminum-centered metal/resin composite products including 24-hour ventilation systems (aire), housing equipment parts, building materials, water-related/storage components, solar-related materials, aluminum logistics equipment, and office furniture components. Covers residential and non-residential environmental applications.
• Housing, Daily Goods & Nursing Care Products Composite panel molded, resin-extruded, and robot-attachment-processed products for housing equipment, sheet metal components, resin molded products, bath covers, bathroom products, and nursing/railway ramps. Produced using composite panel molding, resin extrusion, and robot attachment technologies.
• Connector ASSY and Pipe Processing Services Precision machined connector assemblies and pipe processing services including bending (up to Ø20.0mm), terminal processing (up to Ø17.3mm), CNC lathe and machining center operations. Handles iron, stainless steel, copper, and brass pipes with secondary processing such as surface treatment and brazing.

Quantifiable outcome

• MOC-TEX achieves up to 80% biomass content from wood powder
• +4 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Six partnerships are on record, tiered core.

• サンノプコ株式会社 (Sannopco Co., Ltd.)coreStrategic or Co-development Partner · 1 September 2025Co-development of MOC-TEX sustainable wood-textile material through Team MOC-TEX initiative. Sannopco provides material development expertise using wood powder and water-based bio-polyurethane resin technology. Products include headrest covers for airlines, business card holders, and fashion items.
• 上田安子服飾専門学校 (Ueda Yasuko Fashion College)coreStrategic or Co-development Partner · 1 September 2025Design and processing technology collaboration in Team MOC-TEX for fashion applications. Students participated in MOC-TEX jacket design contest with 115 applicants, creating innovative fashion items from sustainable wood-based textile.
• 東プレ株式会社 (Topre Corporation)coreOthersGroup company acquired in July 2011. Manufactures and sells housing-related products such as bath lids, industrial parts, and reinforced plastic molding materials. Personal data shared under joint use agreement for customer and recruitment purposes.
• 協立軽金属株式会社 (Kyoritsu Light Metal Co., Ltd.)coreOthersWholly-owned subsidiary established in July 1990. Manufactures extruded aluminum profiles, aluminum plates, and non-ferrous metal products for housing, medical/nursing care, solar mounts, and construction materials. Personal data shared under joint use agreement.
• 大同化工株式会社 (Daikokasei Co., Ltd.)coreOthersWholly-owned subsidiary established March 1959. Manufactures blow molding products including pharmaceutical containers, food containers, cosmetic containers, automotive parts, and industrial parts. Specializes in single-layer and multi-layer blow molding.
• PRS-SG株式会社 (PRS-SG Co., Ltd.)coreOthersWholly-owned subsidiary established April 2001 through merger. Manufactures FRP hand lay-up and RTM molded products, unsaturated polyester resin, SMC, BMC, and provides plastic raw material and solvent sales. Also handles overseas partnerships in China and Thailand.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• TOTO Ltd. Japan's leading bathroom fixtures, housing equipment, and ceramic sanitary ware manufacturer with extensive nursing care product line. Comparable to K'MAC's Housing/Daily Goods/Nursing Care segment in customer base and Japanese housing-equipment market dynamics.
• Misumi Group: Major Japanese manufacturer and distributor of factory automation components, mechanical parts, and fasteners including cold-forged and screw-machine products. Comparable as a much larger, public incumbent in the same fastener/precision-components category K'MAC serves, with overlapping B2B automotive and industrial customers.
• Toyota Boshoku: Major Tier-1 supplier of automotive interior systems including seats, door trims, and airbag/seat-belt related components. Comparable to K'MAC's Automotive & Industrial Machinery segment given overlapping seat, airbag, and seat-belt module parts supplied into Toyota and Japanese OEM supply chains.
• Toyo Seikan Group Holdings: Japan's largest container and packaging manufacturer with extensive blow molding and plastic molding operations for pharmaceutical, food, and automotive containers. Directly comparable to K'MAC subsidiary Daikokasei's blow-molding business and the group's overall plastics-processing capabilities.

Direct peers

• Hokkaido Nippon Steel Hardfork (Hokkaido Steel): Japanese cold forging and fastener manufacturer specializing in high-strength bolts, screws, and automotive fasteners. Directly comparable to K'MAC's Automotive & Industrial Machinery core for product type, customer profile, and process technology.
• Aoyama Fastener Co., Ltd. Japanese manufacturer of cold-forged fasteners, screws, bolts, and precision cold-headed components serving automotive and industrial machinery customers. Directly comparable to K'MAC's core cold forging business in product technology and target end-markets.
• Topre Corporation: Wholly-owned K'MAC subsidiary since 2011; manufactures bath lids, industrial parts, and FRP molded materials using composite panel and resin technologies — overlapping directly with K'MAC's Housing and composite product lines. Comparable because of shared product portfolio and post-acquisition integration dynamics.
• Cleanup Corporation: Japanese manufacturer of bathroom products, kitchen equipment, and nursing care products with strong domestic housing and care-channel position. Comparable to K'MAC's Housing, Daily Goods & Nursing Care segment in terms of customer base (housing developers, care facilities) and product overlap (bath covers, composite panels).
• Yoshino Kogyo Co., Ltd. Specialist Japanese blow-molding manufacturer producing plastic containers and industrial components. Comparable to K'MAC subsidiary Daikokasei in blow molding technology and overlapping customer base in pharmaceutical, food, and cosmetic containers.

Emerging players

• Nitto Denko Corporation: Major Japanese materials and industrial products manufacturer with growing presence in hydrogen fuel cell components, sealing materials, and sustainable industrial films. Comparable to K'MAC's diversification into hydrogen (Hydrofty) and biomass-based materials (MOC-TEX) as a larger incumbent exploring adjacent sustainable-materials opportunities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries10 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about KMAC