DO-A Industrial

What DO-A Industrial does

DO-A Industrial (도아기업) is a privately held Korean physical-infrastructure manufacturer founded in October 1983 and headquartered in Seoul, with a production facility in the Shihwa Industrial Complex in Siheung, Gyeonggi-do. The company designs, manufactures, and installs road safety, noise control, and security perimeter products across five categories: soundproof facilities (38+ SKUs including SAFM semi-nonflammable sound-absorbing panels, gallery-type, transparent, curtain wall, tunnel, wood, and temporary noise walls), road safety facilities (82+ SKUs including articulated cushion railings, design railings, pedestrian/bicycle/bridge railings in stainless steel and aluminum), security perimeter fencing (31+ SKUs including YL military fences, mesh fences, and chain-link systems), traffic safety facilities (rockfall prevention, guardrails, animal intrusion blockers, bridge drainage/inspection), and miscellaneous installations (emergency ladders, rotating information displays).

The company's underlying technology is built around proprietary multi-layer semi-nonflammable membrane sound absorption, front-detachable panel mounting systems, articulated bracket railings capable of handling 82° vertical and 112° horizontal slopes, and integration features such as solar-panel mounting on sound walls and bird-saver devices. Six registered patents protect these innovations. The product architecture is a portfolio of standalone hardware goods rather than a unified platform, with each product sold per unit, per meter, per square meter, or per span depending on type.

DO-A operates a B2B, sales-led go-to-market almost entirely through the Korean Public Procurement Service (조달청/g2b.go.kr), where its products are listed for direct government purchase, supplemented by direct sales to construction contractors. Pricing is government-contract driven, with per-unit/per-meter rates publicly disclosed (e.g., SAFM panels at 147,000–363,000 KRW). Customers are exclusively public-sector entities: the Korean PPS, the Ministry of National Defense, US military bases in Korea, and municipal governments including Seoul and Gyeonggi Province. The G-PASS designation (2013) provides a channel into overseas government procurement, and the firm holds ISO 9001, KS, InnoBiz, Excellent Procurement Product, and Noise/Vibration Measurement Service certifications. CEO Park Yeon-woo leads the company, which has received two Presidential Commendations (1995, 2006) and a Million Dollar Export Tower award.

Name

DO-A Industrial

Legal name

(주)도아기업

Website

https://do-a.co.kr

Company type

Private

Founded year

1983

Operating status

Operating

Short description

DO-A Industrial is a Seoul-based Korean manufacturer (founded 1983) that designs, produces, and installs soundproof walls, road safety facilities, and military-grade perimeter fencing, selling primarily through Korean government procurement channels to defense, transportation, and municipal authorities.

Ownership category

akta.pro rank

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales - Soundproof Facilities: Direct sales of soundproof walls, sound-absorbing panels, tunnel sound barriers, and related components. Products are sold per unit or per square meter with government procurement pricing.
2. Product Sales - Road Safety Facilities: Sales of guardrails, handrails, articulated cushion railings, aluminum railings, stainless steel railings, pole-type railings, and bicycle road railings. Priced per meter with on-site installation.
3. Product Sales - Security Perimeter Fencing: Sales of military-grade fences, diamond mesh fences, mesh fences, window fence, temporary fences, and FED fence systems. Includes anti-animal intrusion devices.
4. Product Sales - Traffic Safety Facilities: Sales of rockfall prevention systems, bridge drainage facilities, bridge inspection facilities, and road signs. Priced per span or per meter.
5. MAS Contract Products: Products available through the Public Procurement Service (조달청) MAS contract system, including standardized soundproof walls, fence systems, and accessories.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

DO-A Industrial designs, manufactures, and installs physical infrastructure products for road safety, noise control, and perimeter security. Its product portfolio spans five categories: soundproof facilities (SAFM panels, transparent and curtain-wall barriers, tunnel and temporary noise walls), road safety facilities (articulated cushion railings and design railings), security perimeter fencing (military-grade YL fences and mesh fences), traffic safety equipment (rockfall prevention, guardrails, animal intrusion blockers, bridge drainage/inspection systems), and other facilities (emergency ladders, rotating information displays). Products are sold primarily through the Korean Public Procurement Service (조달청) platform and direct B2B contracts with construction companies and government agencies.

Product overview

DO-A Industrial is a physical infrastructure manufacturer specializing in road safety, noise control, and security perimeter products. The product portfolio consists primarily of standalone hardware products organized into five main categories: (1) Soundproof facilities including SAFM semi-noncombustible sound-absorbing panels, gallery-type noise walls, transparent barriers, S.M.Art curtain wall systems, front-attach/detach walls, tunnel noise walls, wood walls, and temporary barriers; (2) Road safety facilities including BRF articulated cushion railings, design railings, pedestrian/bicycle/bridge railings in stainless steel and aluminum; (3) Security perimeter systems including YL military fences, mesh fences, and chain-link fences; (4) Traffic safety equipment including rockfall prevention barriers, guardrails, animal intrusion blockers, bridge drainage/inspection systems; and (5) Other facilities such as emergency ladders and information displays. The company operates as a single-product-line manufacturer without a unified platform architecture, offering individual products primarily through government procurement (Korea Public Procurement Service) channels.

Differentiator

Problem solved

Functional benefit

Products and services

• SAFM Series Sound-absorbing Noise Barriers (준불연 연질막형 흡음 방음판) Multi-layer semi-nonflammable flexible membrane sound-absorbing panels with aluminum, galvanized steel, and fire-retardant fabric materials. Available in Grades 1-4 noise reduction. Sold to government agencies for highway, railway, and road noise abatement.
• Gallery-Type Sound-Absorbing Noise Walls (DOA-SAG Series, 갤러리형 흡음방음벽) Gallery-type sound-absorbing noise walls combining aluminum or steel exterior panels with internal sound-absorbing materials for high noise reduction performance. Sold at 76,000-85,500 KRW per square meter to government agencies.
• Transparent Noise Barriers (투명 방음벽) Transparent noise barriers using PC, PMMA, or laminated glass materials that provide sound insulation while maintaining visual aesthetics and landscape views. Sold to government agencies for road and rail applications where visibility is required.
• S.M.Art Curtain Wall Noise Barrier (커튼월 방음벽) Architectural curtain-wall style noise barrier applying building exterior techniques with front-attachment/detachment frame system for easy maintenance and high aesthetic quality. Sold to government agencies for urban and scenic areas.
• Front-Detachable Soundproof Wall (전면 탈부착 방음벽) Front-access noise wall system allowing individual panel replacement without dismantling entire sections, featuring proprietary bracket and post engineering. Sold to government agencies for highway and rail applications.
• Tunnel Noise Walls (터널 방음벽) Noise tunnel systems designed for areas where high-rise buildings are close to noise sources, providing maximum sound insulation by fully enclosing the noise source. Sold to government agencies for urban and rail applications.
• Wood Noise Walls (목재 방음벽) Eco-friendly wood-type noise barriers using pressure-treated preservative wood for road environments and residential areas with natural aesthetics. Sold to government agencies for scenic and residential-adjacent road projects.
• Temporary Noise Walls (가설방음벽) Temporary portable noise barriers for construction sites that reduce noise and dust, with capability for powder coating and advertising display. Sold to construction companies for temporary construction applications.
• BRF Articulated Cushion Railings (관절형 완충난간) Articulated cushion railings with pivoting bracket system allowing rotation up, down, left, and right for installation on slopes up to 82 degrees vertical and 112 degrees horizontal angles. Includes impact-absorbing rubber or aluminum components. Sold to government agencies for pedestrian and roadway protection.
• Design Railings (디자인 난간) Decorative safety railings including pedestrian protection, bicycle road, stainless steel, aluminum, and pole-type railings for various road environments. Priced 103,000-339,000 KRW per meter with on-site installation. Sold to municipal and city governments.
• YL-Type Fences (YL형 울타리) Military and high-security perimeter fencing with EX metal mesh, bottom intrusion prevention devices, and top barbed wire, compliant with Korean military and US military standards. Sold to the Korean Ministry of National Defense and US military bases in Korea.
• Mesh Fences (메쉬휀스) Rectangular mesh fencing systems for road, residential, and sports facilities, offering robust and aesthetically pleasing perimeter solutions. Sold to government agencies and construction companies for perimeter security.
• Rockfall Prevention Systems (낙석방지책/낙석방지망) Rockfall prevention systems including barrier fences and nets installed on cut slopes and rock faces prone to falling rocks. Priced 195,000-1,268,000 KRW per span. Sold to government agencies and road construction companies for mountainous highway projects.
• Guardrails (가드레일) Vehicle collision protection guardrails available in protection grades SB1-SB5 for varying risk levels on roads. Sold to government agencies for highway and roadway safety applications.
• Animal Intrusion Blockers (동물진입 차단장치) Anti-animal intrusion devices attached to guardrails preventing medium and small animals from entering roads, reducing vehicle accidents and roadkill. Auto-opens under snow pressure. Sold to government agencies for national highways.
• Bridge Drainage and Inspection Systems (교량 배수/점검시설) Bridge drainage systems preventing traffic accidents and structural deterioration from surface water, plus inspection facilities for ongoing bridge maintenance. Sold to government agencies and construction companies for bridge projects.
• Emergency Ladders (비상사다리) Emergency ladders installed on infrastructure for safety access and emergency egress purposes. Sold to government agencies for roadway and bridge safety.
• Rotating Information Displays (회전형정보게시대) Rotating information display boards for road signage and public information dissemination. Sold to government agencies for traffic and public information applications.

Quantifiable outcome

• Fire risk reduction - semi-nonflammable materials prevent secondary fire accidents in sound barriers
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• 한국조달청 (Korean Public Procurement Service)coreChannel Partner/ Reseller/ DistributorDO-A Industrial's products are listed on the Korean Public Procurement Service (조달청/g2b.go.kr) platform. This government channel enables direct procurement of standardized products by government agencies and municipalities. The partnership provides access to government contracts and ensures product compliance with national standards.

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Ameristar Fence Products: US-based manufacturer of perimeter security fencing for commercial, industrial, and government/military applications. Directly comparable to DO-A's security perimeter products including YL military-grade fences and mesh fence systems.
• Samkwang Industrial: Korean soundproof wall and noise barrier manufacturer serving similar government infrastructure customers. Directly competes with DO-A in the Korean domestic market for road and rail noise barrier procurement.
• Hankuk Noise Control: Korean noise and vibration control solutions provider with similar involvement in Korean road/rail noise mitigation projects. Comparable in target customers and product category (noise barriers, soundproof facilities) within the Korean market.
• Echo Barrier: UK-based manufacturer of temporary noise barriers for construction sites and infrastructure. Comparable to DO-A's temporary noise wall and portable barrier products for construction and event noise mitigation.
• Sound Fighter Systems: US-based manufacturer of outdoor acoustic/sound barrier walls for highways, railways, and industrial sites. Closely comparable to DO-A's soundproof panel business with similar product categories (noise barriers, absorptive panels) and target customers (government infrastructure).
• Hering International: German manufacturer of acoustic walls, noise barriers, and architectural soundproofing systems for rail and road infrastructure. Comparable in scope to DO-A's full soundproof facility portfolio including transparent, wood-type, and absorptive panels.

Broad incumbents

• Betafence: Belgium-based global manufacturer of perimeter fencing systems for residential, commercial, and high-security applications. Comparable to DO-A's security perimeter fence products but operates at significantly larger scale across multiple geographies.
• Trinity Industries: US-based manufacturer of highway safety products including guardrails, crash cushions, and structural steel. Overlaps with DO-A's guardrail and road safety facility products but operates at much larger scale and broader product scope.
• Lindsay Corporation: US-based infrastructure products company offering highway safety products, road barriers, and intelligent transportation systems. Comparable broader category to DO-A's road safety facilities (guardrails, railings) and traffic safety equipment, though much larger scale and global.
• IAC Acoustics: Global noise control solutions provider offering architectural, industrial, and environmental acoustic products. Overlaps with DO-A's soundproof facilities portfolio but at a much broader scope across commercial, industrial, and architectural noise control.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 DO-A Industrial