Hydraulic Watertight Doors

Hydraulic Watertight Doors Market Outlook

The global hydraulic watertight doors market was valued at approximately USD 1.2 billion in 2023 and is projected to reach USD 1.8 billion by 2035, representing a compound annual growth rate (CAGR) of around 4.5% during the forecast period. This growth can be primarily attributed to the increasing demand for safety and security in maritime applications, including commercial and naval ships, as well as offshore platforms. Furthermore, the rising investments in port infrastructure and the expansion of marine transportation are driving the market's growth. Additionally, technological advancements that enhance the performance and durability of hydraulic watertight doors are also contributing positively to market dynamics. An increase in stringent regulatory standards regarding maritime safety is expected to further propel the demand for these specialized doors.

Growth Factor of the Market

The hydraulic watertight doors market is experiencing significant growth driven by several critical factors. Firstly, the increasing focus on safety regulations in maritime operations is compelling shipbuilders and operators to incorporate watertight doors in their designs, ensuring maximum protection against flooding and other hazards. Secondly, the ongoing advancements in hydraulic systems and materials technology are enabling the development of more efficient and reliable watertight doors that offer enhanced performance, durability, and ease of use. Furthermore, the expansion of marine and offshore activities, particularly in regions rich in resources such as oil and gas, necessitates the installation of robust watertight doors to safeguard personnel and assets. Additionally, the rising trend of retrofitting existing vessels with modern safety features, including hydraulic watertight doors, is contributing to the market expansion. Lastly, growing investments in naval defense initiatives are also driving the demand for specialized watertight doors to protect military vessels.

Key Highlights of the Market

• Projected market growth from USD 1.2 billion in 2023 to USD 1.8 billion by 2035.
• Increasing focus on safety regulations and standards in the maritime industry.
• Technological advancements in hydraulic systems improving product efficiency.
• Growth in offshore activities, particularly in the oil and gas sector.
• Trend towards retrofitting existing vessels with modern watertight solutions.

By Product Type

Single Leaf:

Single leaf hydraulic watertight doors are specifically designed to provide a robust barrier against water ingress while maintaining ease of operation. These doors are generally favored in applications where space is limited, as they require less clearance than their double leaf counterparts. Constructed using durable materials, these doors are capable of withstanding significant hydraulic pressure and are often utilized in commercial and naval ships. The simplicity of the single leaf design allows for straightforward installation and maintenance, making them a popular choice among shipbuilders and operators seeking effective solutions for watertight integrity without the complexity of multi-leaf designs.

Double Leaf:

Double leaf hydraulic watertight doors offer a wider opening than single leaf models, making them suitable for high-traffic areas or larger vessels that require substantial access points. These doors are engineered to provide enhanced sealing performance, ensuring maximum watertight integrity during operation. Their design allows for balanced weight distribution, making them easier to operate even in larger sizes. As a result, double leaf doors are commonly employed in naval ships and offshore platforms where structural integrity and accessibility are critical. The increased surface area also enhances the door's ability to withstand high hydraulic pressures, providing additional safety for personnel and equipment.

Sliding Leaf:

Sliding leaf hydraulic watertight doors are designed for applications where conventional opening mechanisms may be impractical due to space constraints or operational requirements. These doors slide open along tracks, allowing for smooth and efficient access while maintaining a watertight seal when closed. The design is particularly advantageous in environments with heavy foot traffic or where quick access is essential, such as on commercial ships and offshore platforms. The sliding mechanism reduces the physical effort required to operate the door, making it an ideal choice for crew members who need to navigate quickly in critical situations. Additionally, the ability to install these doors in various orientations offers flexibility in design layouts.

Hinged Leaf:

Hinged leaf hydraulic watertight doors are among the most traditional designs in the market, featuring a single or double lid mounted on hinges that allow for easy opening and closing. These doors are known for their reliability and durability, making them a staple in both commercial and naval applications. The hinged mechanism allows the door to swing open, providing a full access passage, which is particularly beneficial in emergency scenarios. With a variety of locking mechanisms available, hinged leaf doors can be secured firmly against water pressure, ensuring optimal safety. Their straightforward installation and maintenance requirements further contribute to their popularity among maritime operators.

Roll-Up:

Roll-up hydraulic watertight doors are gaining traction due to their innovative design that offers efficient space management. These doors roll vertically to open, allowing for unhindered access without requiring a large swing radius. This design is particularly advantageous in environments where space is a premium, such as in narrow corridors of vessels or offshore platforms. The roll-up mechanism also ensures that the door remains tightly sealed when closed, providing maximum watertight integrity. The ability to customize sizes and materials for specific applications makes roll-up doors versatile and adaptable to various operational requirements, which is increasingly appealing to modern maritime operators.

By Application

Commercial Ships:

The commercial ships segment represents a significant portion of the hydraulic watertight doors market, driven by the need for safety and reliability in marine transport. These ships are often exposed to harsh environmental conditions, which necessitates the installation of watertight doors to prevent flooding and protect valuable cargo. The demand for efficient loading and unloading processes in commercial shipping further emphasizes the need for reliable door systems that can withstand high pressure while ensuring rapid access. Additionally, as the commercial shipbuilding industry evolves with newer designs, the integration of advanced hydraulic watertight door systems is becoming increasingly prevalent, ensuring compliance with international safety regulations.

Naval Ships:

The naval ships application segment is characterized by stringent safety and performance requirements, making hydraulic watertight doors essential for protecting personnel and equipment. These doors are designed to withstand extreme conditions, including high-pressure environments and potential impacts during military operations. The increasing defense budgets of various nations and the modernization of naval fleets are significant factors driving the demand for advanced watertight doors in this segment. Furthermore, as navies focus on enhancing operational capabilities and improving the survivability of vessels, the incorporation of cutting-edge hydraulic watertight door technology is becoming a priority.

Offshore Platforms:

Offshore platforms rely heavily on hydraulic watertight doors to ensure the safety and integrity of personnel and equipment amidst challenging marine conditions. The extreme pressures and potential hazards associated with offshore drilling and production activities necessitate the installation of high-quality watertight doors that can effectively prevent water ingress and protect against flooding. Additionally, the growth of the offshore oil and gas sector, driven by the rising global energy demand, is further propelling the market for watertight doors. As companies invest in newer platform designs, there is an increasing emphasis on integrating state-of-the-art hydraulic systems that enhance safety and operational efficiency.

Ports & Harbors:

In ports and harbors, hydraulic watertight doors are critical for controlling water ingress and maintaining safe working environments. These doors are often installed in docks, warehouses, and other key infrastructure to mitigate flooding risks and protect stored materials. The ongoing expansion of port facilities and the modernization of existing infrastructure are major growth factors in this segment. As urbanization and trade volumes increase, the demand for robust watertight solutions in ports and harbors is also on the rise. The integration of advanced hydraulic systems into port operations enhances overall efficiency and safety, making watertight doors an integral component of modern port infrastructure.

Others:

Other applications for hydraulic watertight doors include various specialized vessels, research ships, and recreational boats where water ingress prevention is crucial. These applications often require customized solutions tailored to specific operational needs. The trend towards increased safety in maritime operations across various sectors is driving the demand for watertight doors in non-traditional applications. As innovations in the design and functionality of these doors continue to evolve, there is a growing interest among manufacturers to explore new markets, thereby broadening the overall scope of the hydraulic watertight doors market.

By Operating Pressure

Low Pressure:

Low-pressure hydraulic watertight doors are primarily used in applications where the risk of high-pressure inundation is minimal. These doors provide adequate protection against water ingress in environments with lower operational demands. They are often utilized in smaller vessels and certain commercial applications where budget constraints may limit the use of more advanced door systems. Although they may not offer the same level of performance as higher pressure models, low-pressure watertight doors still play a crucial role in ensuring basic safety and integrity for less critical operations.

Medium Pressure:

Medium-pressure watertight doors are designed to withstand moderate hydraulic pressures, making them suitable for various marine applications. These doors strike a balance between cost-effectiveness and performance, providing reliable protection against water ingress in environments that experience fluctuations in pressure. Medium-pressure doors are commonly found in commercial ships and offshore platforms, where conditions can vary but do not typically reach extreme levels. The versatility of these doors allows for their application across a range of vessel types while ensuring compliance with safety regulations.

High Pressure:

High-pressure hydraulic watertight doors are essential for applications where significant pressure differentials may occur, particularly in naval and offshore operations. These doors are engineered with advanced materials and designs to withstand substantial hydraulic forces, ensuring maximum watertight integrity even in challenging environments. Their robustness is crucial for maintaining the safety of personnel and equipment in high-risk scenarios. As naval fleets modernize and offshore activities expand, the demand for high-pressure watertight doors continues to grow, driven by the need for enhanced safety and security.

Ultra-High Pressure:

Ultra-high-pressure hydraulic watertight doors are specialized solutions designed for extreme environments where conventional doors may fail. These doors feature reinforced structures and advanced sealing technologies that provide unparalleled protection against flooding and water ingress. They are commonly utilized in critical applications such as deep-sea operations and specialized military vessels where the potential for extreme pressure is a significant concern. The ongoing evolution of offshore drilling technologies and naval defense capabilities is driving the market for ultra-high-pressure watertight doors as safety standards become increasingly stringent.

Extreme Pressure:

Extreme pressure hydraulic watertight doors represent the pinnacle of watertight door technology, engineered to withstand the highest levels of hydraulic pressure imaginable. These doors are crucial for applications such as submersible vehicles and advanced offshore structures where the risks of water ingress are at their highest. The materials and design principles employed in extreme pressure doors are cutting-edge, ensuring they can withstand the most challenging operational conditions without compromising safety. As industries push the boundaries of exploration and extraction in harsh marine environments, the demand for extreme pressure watertight doors is expected to increase significantly.

By Material Type

Steel:

Steel is the most widely used material for hydraulic watertight doors due to its exceptional strength, durability, and resistance to corrosion. Steel doors offer robust construction, making them ideal for high-pressure applications on naval and commercial vessels. The material's availability and lower cost compared to alternatives also contribute to its popularity in the market. Steel watertight doors can be manufactured in various thicknesses and finishes, allowing for customization based on specific operational requirements. Additionally, advancements in protective coatings continue to enhance the longevity and performance of steel doors in harsh marine environments.

Aluminum:

Aluminum hydraulic watertight doors are gaining popularity due to their lightweight properties and excellent resistance to corrosion. These doors are particularly advantageous in applications where weight savings are essential, such as on high-speed vessels and offshore platforms. The ease of fabrication and installation of aluminum watertight doors also makes them an attractive option for shipbuilders. While they may not provide the same level of strength as steel options, advancements in aluminum alloys have improved their performance, making them suitable for moderate to high-pressure applications.

Composite:

Composite materials are increasingly being utilized in the manufacture of hydraulic watertight doors to leverage their unique properties, including lightweight, strength, and resistance to corrosion. Composite doors can be engineered to meet specific performance requirements, making them suitable for a wide range of applications. They are particularly appealing in specialized environments where traditional materials may be less effective. As the technology surrounding composite materials continues to evolve, their adoption in the hydraulic watertight doors market is expected to rise, driven by the benefits of reduced weight and enhanced durability.

Others:

The 'Others' category includes various alternative materials used in the construction of hydraulic watertight doors, such as fiberglass and treated wood. While these materials are less common than steel, aluminum, and composites, they find niche applications in specific vessel types and environments. For instance, fiberglass doors are valued for their corrosion resistance and lightweight properties, making them suitable for certain recreational boats and smaller vessels. The diversity of materials within this segment allows manufacturers to cater to a wide array of operational needs and preferences, further broadening the market landscape for watertight doors.

By Region

The regional analysis of the hydraulic watertight doors market reveals distinct trends and variations in demand across different geographical areas. North America holds a significant share of the market, largely driven by the presence of advanced shipbuilding industries and a strong focus on maritime safety regulations. The United States, in particular, has been investing heavily in naval defense and modernization efforts, which is expected to sustain a CAGR of 5% during the forecast period as new projects and retrofitting initiatives drive the demand for hydraulic watertight doors. In Europe, the market is also experiencing growth, bolstered by the increasing construction of commercial vessels and a growing emphasis on enhancing port infrastructure in response to rising trade volumes.

In the Asia-Pacific region, the hydraulic watertight doors market is projected to witness the highest growth rate, with a CAGR of approximately 6% from 2025 to 2035. This growth can be attributed to the rapid expansion of maritime trade and the increasing number of shipbuilding activities in countries like China and South Korea. Additionally, the offshore oil and gas exploration activities in Southeast Asia are expected to further boost the demand for watertight doors. Latin America and the Middle East & Africa are emerging markets with potential growth opportunities driven by resource extraction and modernization of marine infrastructure, though they currently account for a smaller share of the overall market.

Opportunities

The hydraulic watertight doors market is poised for numerous opportunities as industries adapt to evolving safety standards and technological advancements. One major opportunity lies in the increasing modernization of existing vessels and offshore platforms. As operators retrofit older ships with advanced safety features, there is a significant demand for hydraulic watertight doors that meet contemporary performance standards. Moreover, the global push for sustainability and environmental protection is driving interest in energy-efficient and eco-friendly designs, creating an avenue for manufacturers to innovate and differentiate their products. For instance, integrating smart technologies into watertight door systems allows for real-time monitoring and predictive maintenance, thereby enhancing operational reliability and safety.

Additionally, the ongoing growth of the offshore oil and gas sector presents substantial opportunities for the hydraulic watertight doors market. As energy companies explore deeper waters and more challenging environments, the need for robust safety solutions becomes paramount. Manufacturers that can offer specialized watertight doors capable of withstanding extreme conditions will find a receptive market among offshore operators. Furthermore, as emerging markets in Asia and Latin America continue to develop their maritime industries, there will be a growing need for high-quality hydraulic watertight doors, creating opportunities for both established players and new entrants looking to capitalize on this expanding demand.

Threats

The hydraulic watertight doors market faces certain threats that could impact growth and profitability in the coming years. One significant threat is the fluctuation in raw material prices, particularly for steel and aluminum, which can affect production costs and, subsequently, pricing strategies for manufacturers. Any increase in raw material costs can create challenges for businesses, particularly smaller firms that may lack the financial resilience to absorb these costs without passing them on to customers. Additionally, the competitive landscape is intensifying as new players enter the market, leading to potential price wars and decreasing profit margins for established companies.

Moreover, the ongoing geopolitical tensions and uncertainties in global trade can pose challenges for the hydraulic watertight doors market. Disruptions in supply chains, changed trade policies, and tariffs can hinder the import and export of key components and finished products, ultimately affecting market dynamics. Manufacturers may also face regulatory hurdles in different regions, with varying safety standards and compliance requirements that need to be met, complicating market entry strategies. To navigate these threats, companies must adapt their business models and invest in innovation while maintaining strong relationships with suppliers and customers to ensure long-term sustainability.

Competitor Outlook

• Schottel Group
• GROVE Hydraulic Doors
• WATERTIGHT DOORS INC.
• Perko, Inc.
• Viking Life-Saving Equipment
• Marine Doors & Structures
• Hawkes Bay Doors
• Hatch & Door Company
• Assa Abloy
• Marine Products Corporation
• Parker Hannifin Corporation
• Ferri Marine
• GIBRALTAR INDUSTRIES, INC.
• Wärtsilä Corporation
• IMTECH Marine

The competitive landscape of the hydraulic watertight doors market is characterized by numerous players ranging from established manufacturers to emerging companies that are innovating in safety technologies. Major companies in the industry are increasingly focusing on research and development to enhance product offerings and meet the growing demands of their customers. In particular, manufacturers are investing in advanced hydraulic systems and smart technologies that integrate IoT capabilities, enabling real-time monitoring and predictive analytics to improve operational safety and efficiency. This trend towards innovation is not only fostering healthy competition but also leading to transformative changes in the market landscape.

Companies like Parker Hannifin Corporation and Wärtsilä Corporation are at the forefront of developing advanced watertight door systems that cater to high-pressure applications. These companies leverage their extensive expertise in hydraulic systems and marine technologies to deliver cutting-edge solutions that enhance safety and operational reliability. Furthermore, firms such as Viking Life-Saving Equipment and Assa Abloy have built strong reputations through a commitment to quality and customer satisfaction, positioning themselves as preferred suppliers for key maritime clients. Their focus on compliance with international safety regulations ensures that their products remain competitive in both domestic and international markets.

As the hydraulic watertight doors market continues to evolve, companies that prioritize sustainability and eco-friendly practices will likely gain a competitive edge. The integration of composite materials and energy-efficient designs is becoming increasingly appealing to shipbuilders and operators focused on reducing their environmental footprint. Additionally, strategic partnerships and collaborations between manufacturers and key stakeholders in the marine industry are expected to drive growth and innovation further. By leveraging collective expertise and resources, companies can address emerging challenges and opportunities in the hydraulic watertight doors market effectively.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Assa Abloy
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Perko, Inc.
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Ferri Marine
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 IMTECH Marine
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Schottel Group
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Hawkes Bay Doors
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Hatch & Door Company
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 GROVE Hydraulic Doors
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 WATERTIGHT DOORS INC.
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Marine Doors & Structures
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 GIBRALTAR INDUSTRIES, INC.
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Marine Products Corporation
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Parker Hannifin Corporation
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Viking Life-Saving Equipment
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Wärtsilä Corporation
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Hydraulic Watertight Doors Market, By Application
    • 6.1.1 Commercial Ships
    • 6.1.2 Naval Ships
    • 6.1.3 Offshore Platforms
    • 6.1.4 Ports & Harbors
    • 6.1.5 Others
  • 6.2 Hydraulic Watertight Doors Market, By Product Type
    • 6.2.1 Single Leaf
    • 6.2.2 Double Leaf
    • 6.2.3 Sliding Leaf
    • 6.2.4 Hinged Leaf
    • 6.2.5 Roll-Up
  • 6.3 Hydraulic Watertight Doors Market, By Material Type
    • 6.3.1 Steel
    • 6.3.2 Aluminum
    • 6.3.3 Composite
    • 6.3.4 Others
  • 6.4 Hydraulic Watertight Doors Market, By Operating Pressure
    • 6.4.1 Low Pressure
    • 6.4.2 Medium Pressure
    • 6.4.3 High Pressure
    • 6.4.4 Ultra-High Pressure
    • 6.4.5 Extreme Pressure

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Hydraulic Watertight Doors Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Hydraulic Watertight Doors market is categorized based on

By Product Type

• Single Leaf
• Double Leaf
• Sliding Leaf
• Hinged Leaf
• Roll-Up

By Application

• Commercial Ships
• Naval Ships
• Offshore Platforms
• Ports & Harbors
• Others

By Operating Pressure

• Low Pressure
• Medium Pressure
• High Pressure
• Ultra-High Pressure
• Extreme Pressure

By Material Type

• Steel
• Aluminum
• Composite
• Others

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Schottel Group
• GROVE Hydraulic Doors
• WATERTIGHT DOORS INC.
• Perko, Inc.
• Viking Life-Saving Equipment
• Marine Doors & Structures
• Hawkes Bay Doors
• Hatch & Door Company
• Assa Abloy
• Marine Products Corporation
• Parker Hannifin Corporation
• Ferri Marine
• GIBRALTAR INDUSTRIES, INC.
• Wärtsilä Corporation
• IMTECH Marine