Karaca Gemi

What Karaca Gemi does

Karaca Gemi is a Turkish manufacturer headquartered in Tuzla, Istanbul, that designs, fabricates, and supplies ship windows, portholes (lumbuz), fire-rated glazing, and marine wiper systems for maritime vessels. Operating since 2008 from a privately held, family-led entity (Karaca family with Mustafa Karaca as Chairman), the company serves commercial shipping, military/naval, ferry, fishing vessel, and tugboat builders through direct B2B sales to shipyards and vessel construction projects. Its catalog includes fixed, opening, sliding, and deadlight ship windows per ISO 3903; fixed, opening, and deadlight portholes per ISO 1751; A0- and A60-class fire-rated windows and portholes tested per IMO 754(18) using ISO 5797-compliant glass; and pantograph and straight-line wiper systems with 24V or 230 VDC motors.

The company is vertically integrated across two Istanbul factories — a glass manufacturing facility (tempered, double-glazed, laminated, heated, and bullet-proof glass) and a steel fabrication facility (drilling, welding, cutting, brushing, polishing, and glass mounting). Quality, environmental, and occupational safety are addressed via ISO 9001:2015, ISO 14001, and OHSAS 18001 management system certifications. Product eligibility is reinforced by type approvals from all five major maritime classification societies — DNV GL, Lloyd's Register, RINA, Bureau Veritas, and ABS — along with welder qualifications (DNV GL WWA, BV). Customization covers frame materials (stainless steel, steel, aluminum), mounting (welded or bolted), glass type, and shape/size, with a liquid peelable protective coating offered for in-transit and installation protection.

Go-to-market is direct enterprise sales led by dedicated sales managers to shipyards, maritime construction projects, and classification society-cleared vessel programs; transactions are quote-based project sales rather than catalog pricing. Marketing presence includes a multilingual company website (TR/EN/ES/RU), e-catalog, LinkedIn, Facebook, and a YouTube channel with product videos. The company positions itself as 'The World's Local Manufacturer,' markets to global customers with European emphasis, and currently sits at a headcount band of 51–100 with no external institutional funding.

Name

Karaca Gemi

Legal name

Karaca Gemi Yatçılık Turizm San. ve Diş Tic. Ltd. Şti

Website

https://karacagemi.com.tr

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

51–100 employees

Short description

Karaca Gemi is a Tuzla, Istanbul-based manufacturer of maritime windows, portholes, fire-rated glazing, and wiper systems, supplying shipyards and vessel builders across commercial, military, ferry, fishing, and tugboat segments worldwide.

Ownership category

akta.pro rank

Product category

Marine Equipment Manufacturing

NAICS

Ship and Boat Building (3366)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Life-Saving Appliances & Safety Equipment (Davit Systems, Lifeboats, Firefighting) (IMAJAIAG)

Keywords

• Ship windows
• Marine portholes
• Maritime glazing
• Marine wiper systems
• Fire-rated windows

Headquarters

HQ city

Tuzla

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Marketing or Sales, Others, Infrastructure

Revenue model

1. Ship Windows Sales: Manufacturing and direct sales of ship windows compliant with ISO 3903, including fixed, opening, sliding, and deadlight types. Revenue generated from product sales to shipyards and maritime projects.
2. Portholes (Lumbuz) Sales: Manufacturing and sales of portholes compliant with ISO 1751, including fixed and opening types with various accessories. Product-based revenue stream.
3. Fire-Rated Products: Sales of fire-rated windows and portholes meeting IMO 754(18) standards, including A0 and A60 fire class ratings for maritime safety compliance.
4. Wiper Systems: Manufacturing and sales of pantograph and straight-line wiper systems for marine vessels, including motors and control panels.
5. Accessories: Sales of window and porthole accessories including deadlights, storm covers, and mounting hardware.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Karaca Gemi manufactures and directly sells ship windows, portholes (lumbuz), wiper systems, fire-rated glazing (A0 and A60), and related accessories for maritime vessels. Products comply with ISO 3903, ISO 1751, IMO 754(18), and ISO 5797 standards and are type-approved by DNV GL, Lloyd's Register, RINA, Bureau Veritas, and ABS classification societies. The company operates its own glass and steel fabrication facilities in Istanbul, supplying commercial, military, ferry, fishing, and tugboat shipyards worldwide.

Product overview

Karaca Gemi is a Turkish manufacturer specializing in maritime windows and portholes, established in 2008. The company operates two factories in Istanbul with glass and steel production facilities. The product portfolio consists of ship windows (Sabit Gemi Penceresi, Açılır Tip Gemi Penceresi, Kör Kapaklı Gemi Penceresi, Sürgülü Gemi Penceresi), portholes/lumbuz (Sabit Tip Lumbuz, Açılır Tip Lumbuz, Kör Kapaklı Lumbuz), fire-rated products (A0 and A60 fire class windows and portholes compliant with IMO 754(18) and ISO 5797), wiper systems (Pantograph and Straight Line types with 24 or 230 VDC motors), and accessories (window and porthole accessories). Products comply with international standards including ISO 3903, ISO 1751, and meet classification society requirements for DNV GL, LR, RINA, BV, and ABS.

Differentiator

Problem solved

Functional benefit

Products and services

• Sabit Gemi Penceresi (Fixed Ship Window) Fixed ship windows manufactured according to ISO 3903 standard, designed for welded or bolted mounting based on ship structure. Sold to shipyards and maritime vessel builders.
• Açılır Tip Gemi Penceresi (Opening Type Ship Window) Opening type ship windows meeting ISO 3903, available in inward or outward opening configurations with welded or bolted mounting options. Sold to commercial and naval shipbuilders.
• Kör Kapaklı Gemi Penceresi (Deadlight Ship Window) Ship windows with deadlight covers, ISO 3903 compliant, designed for welded or bolted mounting based on ship structure requirements. Sold to shipyards.
• Sürgülü Gemi Penceresi (Sliding Ship Window) Sliding ship windows conforming to ISO 3903, designed for vertical or horizontal mounting with parallel case operation. Sold to shipbuilders outfitting bridge wings and similar spaces.
• Sabit Tip Lumbuz (Fixed Porthole) Fixed portholes complying with ISO 1751 standard, designed for welded or bolted mounting based on ship structure. Sold to shipyard and vessel builders.
• Açılır Tip Lumbuz (Opening Type Porthole) Opening type portholes meeting ISO 1751, available in inward or outward opening configurations with welded or bolted mounting. Sold to commercial and naval shipbuilders.
• Kör Kapaklı Lumbuz (Deadlight Porthole) Portholes with deadlight covers, ISO 1751 compliant, designed for welded or bolted mounting based on ship structure. Sold to shipyards.
• A0 Yangın Sınıfı (A0 Fire Rated Class) Fire-rated windows and portholes tested and produced according to IMO 754(18), using ISO 5797 compliant glasses, with sandblasting and paint work using marine series coatings. Sold to shipyards and naval programs.
• A60 Yangın Sınıfı (A60 Fire Rated Class) Fire-rated windows and portholes tested and produced according to IMO 754(18), using ISO 5797 compliant glasses with special chemical protection for glass surfaces during installation. Sold to shipyards and naval programs.
• Pantograf Tipi Silecek Sistemi (Pantograph Wiper System) Heavy-duty pantograph wipers characterized by high durability and long service life, equipped with 24V or 230 VDC motor and accessible control panels. Sold to shipyards outfitting bridge decks and engine control rooms.
• Düz Çizgi Tipi Silecek Sistemi (Straight Line Wiper System) Horizontal running wipers designed to enhance wiping area, suitable for heavy-duty applications, with internally mounted motor installed on top or bottom of windows and 24V or 230 VDC support. Sold to shipyards.
• Pencere Aksesuarları (Window Accessories) Accessories for ship windows including storm covers, deadlight covers, and mounting hardware. Sold alongside ship windows to shipyards and vessel builders.
• Lumbuz Aksesuarları (Porthole Accessories) Accessories for portholes including storm covers, deadlight covers, and mounting hardware. Sold alongside portholes to shipyards and vessel builders.

Segments6 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

Five partnerships are on record, tiered core.

• DNV GLcoreStrategic or Co-development PartnerClassification society partner for product type approvals. Company has completed projects with DNV GL and holds DNV GL WWA certification for welders and welding supervisors.
• Lloyd's Register (LR)coreStrategic or Co-development PartnerClassification society partner providing type approval certification. Company holds LR Type Approval Certificate for products.
• RINAcoreStrategic or Co-development PartnerClassification society partner with type approval certification. Company holds RINA Type Approval Certificate for ship products.
• Bureau Veritas (BV)coreStrategic or Co-development PartnerClassification society partner. Company has completed projects with BV and holds welder certifications for welding operations.
• ABS (American Bureau of Shipping)coreStrategic or Co-development PartnerClassification society partner for maritime product type approvals and certifications. Company has completed projects with ABS.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Bohamet: Polish manufacturer of marine windows, doors, and glass panels for the shipbuilding industry. Direct peer with overlapping product lines (ISO-compliant windows/portholes), similar customer base (shipyards), and competing class society type approvals.
• MML Marine: UK-based marine window and door specialist serving commercial and naval shipyards. Comparable scale, similar product mix (fixed/opening windows, portholes, fire-rated), and competing for class society-approved outfitting contracts.
• Heinen & Hopman: Dutch supplier of ship windows, doors, and HVAC-related outfitting to commercial and naval shipyards. Overlapping product portfolio (windows, portholes, interior outfitting) and similar reliance on class society approvals.
• Röder (Marine Glazing): German specialty glass/marine glazing firm producing ship windows and architectural marine glazing. Direct peer in fire-rated and standard-compliant marine window manufacturing for shipyard customers.
• Seaglaze: UK-based specialist manufacturer of marine windows, portholes, and ship doors serving commercial and naval shipyards. Directly comparable to Karaca Gemi in product category (ship windows/portholes), customer type (shipyards), and standard-compliance-driven business model.
• SIRA Group: Italian producer of marine glazing, windows, and fire-rated solutions for commercial and naval vessels. Direct peer offering comparable ISO/IMO-certified products to shipyards globally.

Others

• Imtra: US distributor of marine products including lighting, wipers, and deck hardware. Comparable ecosystem participant rather than direct competitor, as Imtra distributes products (including wiper systems) into the same shipyard and vessel refit channels.

Broad incumbents

• Wärtsilä: Large Finnish marine technology and ship systems provider with broad portfolio spanning propulsion, deck machinery, and ship outfitting. Indirectly comparable as a broader incumbent whose deck/bridge outfitting touches the same shipyard procurement workflows.
• Modec Inc. Japanese marine equipment and offshore solutions provider with a broader product portfolio spanning outfitting, structural, and specialized equipment. Comparable in that windows and doors are part of its offering, but it operates across a wider category.

Regional players

• Manship Marine: Australian manufacturer of marine windows, doors, and hatches for commercial and defense vessels. Comparable product category with regional focus on Asia-Pacific shipyards rather than direct competition in Karaca Gemi's core markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCPJaOvxvqn64sV_C37kowjw
• Facebookfacebook.com/profile.php
• LinkedIntr.linkedin.com/company/karaca-gemi-yatçilik-turizm-san-ve-diş-tic-ltd-şti

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Karaca Gemi