Bolted Bonnet Gate Valves

Bolted Bonnet Gate Valves Market Outlook

The global bolted bonnet gate valves market is expected to reach a valuation of approximately USD 3.5 billion by 2035, growing at a CAGR of around 4.5% during the forecast period of 2025 to 2035. The growth of this market can be attributed to several key factors, including the increasing demand for water and wastewater management systems, the expansion of the oil and gas sector, and the need for reliable and durable valve solutions in industrial applications. Furthermore, the rising investment in infrastructure development across various regions is expected to further augment the demand for bolted bonnet gate valves. Additionally, the ongoing industrialization and urbanization trends globally are likely to drive the market growth as industries seek efficient fluid control solutions. The increasing awareness regarding the maintenance of fluid systems also plays a crucial role in enhancing the adoption of these valves.

Growth Factor of the Market

The bolted bonnet gate valves market is experiencing growth due to a combination of technological advancements and increasing sector-specific applications. The oil and gas industry is a significant contributor to this growth, driven by the continuous exploration and production activities that require reliable and high-performance valves. Additionally, the growing focus on energy efficiency and reducing operational costs in industrial processes has led to an increased preference for durable valve solutions that minimize downtime and maintenance expenses. The rise in municipal water treatment projects and the need for sustainable water management further bolster the demand for bolted bonnet gate valves. Moreover, innovations in valve designs, such as enhanced sealing technologies and corrosion-resistant materials, are attracting a broader customer base, making these valves more appealing for various applications. The global push for environmental sustainability and adherence to stringent regulations also necessitates the use of high-quality valves capable of withstanding challenging conditions.

Key Highlights of the Market

• The bolted bonnet gate valves market is projected to reach USD 3.5 billion by 2035.
• The market is anticipated to grow at a CAGR of 4.5% from 2025 to 2035.
• The oil and gas sector is a dominant application area driving market demand.
• Technological advancements in valve design are enhancing market growth.
• There is a growing emphasis on water and wastewater management systems globally.

By Product Type

Rising Stem :

Rising stem bolted bonnet gate valves are known for their visibility during operation, as the stem rises when the valve opens. This characteristic makes them a popular choice in many industrial applications where clear visibility of valve status is essential. These valves offer excellent sealing capabilities and are designed to minimize leakage, ensuring efficient operation. With a robust construction and compatibility with various materials, rising stem valves are often used in high-pressure and high-temperature environments, particularly in the oil and gas sector, water treatment plants, and power generation facilities. Their ability to handle large flow rates and provide a tight shut-off further enhances their appeal in critical applications.

Non-Rising Stem :

Non-rising stem bolted bonnet gate valves are designed without a visible stem movement, making them suitable for applications where vertical space is limited. This design feature allows for installation in tight spaces while still providing reliable sealing performance. These valves are commonly used in water and wastewater treatment facilities, chemical processing, and other industrial environments where space constraints may limit the use of traditional rising stem valves. Non-rising stem valves are typically easier to install and maintain, contributing to their popularity in various applications. Their durable construction ensures longevity and reliability, further solidifying their position in the market.

Flexible Wedge :

Flexible wedge bolted bonnet gate valves feature a unique design that allows for better sealing performance, especially in high-temperature and high-pressure applications. The flexible wedge adapts to the seat, ensuring a tight seal and minimizing leakage. These valves are particularly suitable for applications involving steam, oil, and gas, where the ability to withstand thermal expansion is critical. The design also reduces the risk of wear and tear on the sealing surfaces, extending the valve's lifespan and reducing maintenance costs. As industries focus on energy efficiency and reliable performance, flexible wedge valves are becoming increasingly popular.

Solid Wedge :

Solid wedge bolted bonnet gate valves are characterized by their robust construction, offering high strength and reliability in demanding applications. The solid wedge design provides excellent sealing capabilities and is less prone to wear compared to flexible wedge designs. These valves are widely used in various sectors, including oil and gas, power generation, and chemical processing, due to their ability to handle high-pressure and high-temperature conditions. Solid wedge valves are known for their durability and minimal maintenance requirements, making them an ideal choice for long-term industrial applications.

Parallel Slide :

Parallel slide bolted bonnet gate valves are designed with two parallel discs that slide against each other to create a seal. This design allows for a more even distribution of pressure across the sealing surfaces, reducing wear and extending the valve's lifespan. Parallel slide valves are often used in applications where a tight shut-off is critical, such as in the water and wastewater treatment sector. They are also suitable for high flow applications due to their low pressure drop characteristics. The ease of operation and maintenance, combined with their effective sealing capabilities, makes parallel slide valves a preferred choice in various industries.

By Application

Oil & Gas :

The oil and gas sector is one of the largest applications for bolted bonnet gate valves, driven by the need for reliable and efficient fluid control in exploration and production activities. These valves are essential in pipelines, refineries, and processing facilities, where they regulate the flow of hydrocarbons under high pressure and temperature. Their robust construction and sealing capabilities make them suitable for demanding conditions, ensuring operational safety and efficiency. As the global demand for energy continues to rise, investment in oil and gas infrastructure will further propel the demand for bolted bonnet gate valves in this sector.

Water & Wastewater :

In the water and wastewater treatment industry, bolted bonnet gate valves play a critical role in managing the flow of water and wastewater through treatment plants and distribution networks. These valves are designed to withstand harsh environments and corrosive substances commonly found in wastewater applications. Their reliability and ability to provide a tight shut-off are essential for maintaining the integrity of water systems. As urbanization and population growth increase the demand for clean water and effective wastewater management, the need for bolted bonnet gate valves in this sector is expected to grow significantly.

Chemicals :

The chemical industry requires valves that can handle corrosive and aggressive substances, making bolted bonnet gate valves an ideal choice for various chemical processing applications. These valves provide excellent sealing performance and durability, ensuring the safe and efficient transport of chemicals. Additionally, the ability to withstand high pressures and temperatures makes them suitable for a wide range of chemical processes. As global chemical production continues to rise, the demand for bolted bonnet gate valves in this sector is expected to increase correspondingly.

Power Generation :

In the power generation sector, bolted bonnet gate valves are utilized in steam and cooling systems, where they control the flow of water, steam, and other fluids. Their ability to provide a tight shut-off and withstand high pressures makes them crucial for ensuring the safe operation of power plants. These valves are also used in various renewable energy applications, including biomass and geothermal systems. As the world shifts towards cleaner energy sources, the demand for reliable and efficient fluid control solutions like bolted bonnet gate valves is likely to grow.

Others :

Other applications for bolted bonnet gate valves include HVAC systems, fire protection systems, and industrial processes across various sectors. These valves are versatile and can be adapted for use in many different environments, making them a valuable asset in numerous applications. Their durability, reliability, and ease of maintenance contribute to their widespread use in diverse industries. As industries continue to evolve and adapt to new technologies, the demand for bolted bonnet gate valves in these additional applications is expected to increase.

By User

Oil & Gas Industry :

The oil and gas industry represents a significant user segment for bolted bonnet gate valves, necessitating high-performance valves that can operate effectively under extreme conditions. These valves are instrumental in regulating the flow of crude oil and natural gas in pipelines, ensuring that operations remain efficient and safe. The industry's reliance on bolted bonnet gate valves stems from their ability to provide reliable performance in high-pressure systems and their capability to withstand corrosive environments found in oil extraction and refining processes. As exploration activities expand and new fields are developed, the demand for these valves is likely to grow substantially.

Chemical Industry :

In the chemical industry, bolted bonnet gate valves are crucial for controlling the flow of various chemicals through processing systems. Their robust construction allows them to handle aggressive and corrosive substances, making them vital in maintaining safety and efficiency in chemical operations. The demand for bolted bonnet gate valves in this sector is driven by the need for reliable sealing and the ability to withstand high pressures and temperatures. As the global chemical industry continues to expand, particularly in emerging markets, the requirement for high-quality valve solutions is expected to increase, thus fueling market growth.

Water & Wastewater Treatment Plants :

Water and wastewater treatment plants are significant users of bolted bonnet gate valves, which play a vital role in managing the flow of water and ensuring effective treatment processes. These valves are engineered to withstand harsh conditions and corrosive agents commonly found in wastewater, making them essential for maintaining system integrity. The increasing global focus on water conservation and management, coupled with rising urbanization, is expected to drive demand for bolted bonnet gate valves in this sector as municipalities invest in improving their water infrastructure.

Power Plants :

Power plants represent another key user segment for bolted bonnet gate valves, where they are utilized in various applications including steam and cooling systems. The ability of these valves to provide a tight shut-off under high-pressure conditions is essential for the safe and efficient operation of power generation facilities. As global energy demands rise and the shift towards renewable energy sources accelerates, the need for reliable fluid control solutions like bolted bonnet gate valves is expected to grow, further enhancing their market presence in the power sector.

Others :

Various other industries are also significant users of bolted bonnet gate valves, including manufacturing, HVAC, and fire protection systems. These valves are versatile and can be adapted for use in a wide array of applications, making them valuable assets across different sectors. Their durability, reliability, and ease of maintenance contribute to their widespread adoption in diverse environments. As industries evolve and incorporate new technologies, the demand for bolted bonnet gate valves in these additional applications is expected to continue rising.

By Material Type

Cast Iron :

Cast iron bolted bonnet gate valves are widely used due to their excellent strength and durability in various applications. They are particularly suited for water and wastewater treatment facilities, where their corrosion resistance and ability to withstand high pressures are essential. Cast iron valves are also cost-effective, making them an attractive option for many industries. However, they may not be suitable for highly corrosive environments, leading to the increased adoption of alternative materials in specific applications. As industries seek to optimize costs while ensuring reliable performance, cast iron gate valves remain a popular choice in various sectors.

Carbon Steel :

Carbon steel bolted bonnet gate valves are favored for their strength and versatility, making them suitable for a wide range of applications in the oil and gas, chemical, and power generation industries. These valves can effectively handle high pressures and temperatures, providing excellent sealing performance in demanding environments. Carbon steel valves are often coated or treated to enhance their corrosion resistance, further increasing their longevity and reliability. The growing industrial activities and the need for reliable fluid control solutions are expected to drive the demand for carbon steel bolted bonnet gate valves across various sectors.

Stainless Steel :

Stainless steel bolted bonnet gate valves are recognized for their outstanding corrosion resistance and durability, making them ideal for applications involving aggressive substances and harsh environments. They are commonly used in the chemical industry, food and beverage processing, and pharmaceuticals, where hygiene and safety are paramount. The advantages of stainless steel valves include their ability to withstand extreme temperatures and pressures, ensuring reliable performance in critical applications. As industries increasingly prioritize safety and efficiency, the demand for stainless steel bolted bonnet gate valves is expected to grow significantly.

Alloy Steel :

Alloy steel bolted bonnet gate valves are designed to provide enhanced strength and durability, particularly in high-pressure and high-temperature applications. These valves are commonly used in oil and gas exploration and production, where their ability to resist deformation and wear is crucial. Alloy steel valves can be customized to meet specific industry requirements, further expanding their applicability across various sectors. The growing demand for high-performance valves capable of withstanding extreme conditions is expected to drive the market for alloy steel bolted bonnet gate valves in the coming years.

Others :

Other material types used in bolted bonnet gate valves include various composite materials and specialized alloys designed for unique applications. These materials are often utilized in industries that require specific performance characteristics, such as enhanced corrosion resistance or lightweight designs. The continued development of advanced materials is likely to open new opportunities for bolted bonnet gate valves in niche applications. As industries evolve and seek innovative solutions, the demand for alternative material types in bolted bonnet gate valves is expected to rise, reflecting the growing need for customized valve solutions.

By Region

The regional distribution of the bolted bonnet gate valves market highlights the varying demands and industrial activities across different areas. North America is currently the largest market for bolted bonnet gate valves, driven by robust oil and gas exploration activities, coupled with significant investments in water and wastewater infrastructure. The region is expected to witness a CAGR of around 4% during the forecast period due to the emphasis on upgrading aging infrastructure and the continuous expansion of energy production facilities. Additionally, the chemical industry’s growth in North America will significantly contribute to the rising demand for these valves.

Europe holds a substantial share of the bolted bonnet gate valves market, primarily due to stringent regulations surrounding water management and environmental protection. The region’s focus on sustainable industrial practices and the modernization of existing facilities are likely to propel market growth. The increasing adoption of advanced valve technologies in industrial applications, including power generation and chemical processing, further drives demand in Europe. Meanwhile, the Asia Pacific region is expected to showcase the highest growth rate during the forecast period, fueled by rapid industrialization, urbanization, and significant investments in infrastructure development. The region's burgeoning oil and gas sector, coupled with rising energy demands, will further enhance the market potential for bolted bonnet gate valves.

Opportunities

The bolted bonnet gate valves market presents numerous opportunities for growth and development, driven by technological advancements and evolving industry needs. One of the most significant opportunities lies in the increasing demand for automation and digitalization within industrial processes. As industries aim to enhance operational efficiency and reduce costs, automated fluid control systems are becoming more prevalent. This trend opens avenues for the integration of bolted bonnet gate valves with smart technologies, enabling real-time monitoring and control, predictive maintenance, and improved safety features. By investing in research and development, manufacturers can create innovative valve solutions that cater to these emerging market demands, thereby gaining a competitive edge.

Another opportunity for market players is the growing focus on sustainability and environmental protection. As regulatory frameworks become more stringent, industries are required to adopt sustainable practices and investments in eco-friendly technologies. Bolted bonnet gate valves that are designed with advanced materials and energy-efficient features can contribute significantly to reducing environmental impact. Manufacturers that prioritize sustainable production processes and emphasize the long-term benefits of their products will likely gain traction in both established and emerging markets. Furthermore, as industries increasingly seek to optimize their processes and reduce waste, the demand for high-performance valves that offer reliable performance in challenging conditions will continue to rise, presenting a favorable environment for bolted bonnet gate valve manufacturers.

Threats

Despite the positive outlook for the bolted bonnet gate valves market, there are several threats that could impact growth and profitability. One of the primary threats comes from the increasing competition from alternative valve products that may offer similar or enhanced performance at lower costs. As manufacturers continue to innovate, new valve technologies such as ball valves and butterfly valves may capture market share from traditional bolted bonnet gate valves, particularly in applications where space and weight considerations are critical. This competition could lead to price wars, impacting profit margins for existing players in the market. Additionally, fluctuations in raw material prices can significantly affect production costs, leading to unpredictability in pricing strategies and profitability for manufacturers.

Another considerable threat is the global economic uncertainty that can adversely impact industrial spending and investment in infrastructure development. Economic downturns can lead to reduced capital expenditures by industries, resulting in lower demand for bolted bonnet gate valves and other industrial products. The ongoing geopolitical tensions and trade disputes may also disrupt supply chains, affecting the availability of key raw materials, which can further complicate production and distribution efforts. As industries seek to streamline operations and cut costs during challenging economic periods, the overall demand for bolted bonnet gate valves may experience fluctuations, posing risks for manufacturers.

Competitor Outlook

• Emerson Electric Co.
• Flowserve Corporation
• Crane Co.
• Velan Inc.
• SPX Flow, Inc.
• Honeywell International Inc.
• Schneider Electric SE
• Pentair plc
• AVK Holding A/S
• Kitz Corporation
• Bray International, Inc.
• Tyco International plc
• Metso Outotec
• GE Oil & Gas
• National Oilwell Varco, Inc.

The competitive landscape of the bolted bonnet gate valves market is characterized by a mix of established companies and emerging players, all striving to capture market share through innovation and strategic partnerships. Key players in the market are focusing on developing advanced products that meet the evolving needs of industries, particularly concerning safety, efficiency, and sustainability. Companies like Emerson Electric Co. and Flowserve Corporation have established themselves as leaders in the industry, leveraging their extensive product portfolios and global reach to cater to diverse customer requirements. Their investments in research and development aim to enhance product performance, addressing the increasing demand for high-quality fluid control solutions.

Furthermore, many companies are focusing on mergers and acquisitions to strengthen their market position and expand their product offerings. For instance, Crane Co. has made several strategic acquisitions aimed at diversifying its product range and enhancing its technological capabilities. Similarly, companies like Honeywell International Inc. and Schneider Electric SE are actively exploring opportunities to integrate smart technologies into their valve solutions, aligning with the growing trend of automation and digitalization in industrial processes. By leveraging their technological expertise and industry partnerships, these companies are well-positioned to drive innovation in the bolted bonnet gate valves market.

Emerging players in the bolted bonnet gate valves market are capitalizing on niche opportunities by offering specialized products tailored to specific industry needs. For example, companies like AVK Holding A/S and Kitz Corporation are focusing on developing valves that meet stringent environmental and regulatory standards, catering to the growing demand for sustainable solutions. Additionally, as industries increasingly require customization in their valve solutions, manufacturers that prioritize flexibility and adaptability in their product designs will likely gain a competitive advantage. Overall, the bolted bonnet gate valves market presents a dynamic and evolving landscape, with opportunities for both established players and newcomers to thrive.

• 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 Crane Co.
    • 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 Velan 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 Pentair plc
    • 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 GE Oil & Gas
    • 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 Metso Outotec
    • 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 SPX Flow, Inc.
    • 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 AVK Holding A/S
    • 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 Kitz Corporation
    • 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 Emerson Electric Co.
    • 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 Flowserve Corporation
    • 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 Schneider Electric SE
    • 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 Tyco International plc
    • 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 Bray International, Inc.
    • 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 Honeywell International Inc.
    • 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 National Oilwell Varco, Inc.
    • 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 Bolted Bonnet Gate Valves Market, By User
    • 6.1.1 Oil & Gas Industry
    • 6.1.2 Chemical Industry
    • 6.1.3 Water & Wastewater Treatment Plants
    • 6.1.4 Power Plants
    • 6.1.5 Others
  • 6.2 Bolted Bonnet Gate Valves Market, By Application
    • 6.2.1 Oil & Gas
    • 6.2.2 Water & Wastewater
    • 6.2.3 Chemicals
    • 6.2.4 Power Generation
    • 6.2.5 Others
  • 6.3 Bolted Bonnet Gate Valves Market, By Product Type
    • 6.3.1 Rising Stem
    • 6.3.2 Non-Rising Stem
    • 6.3.3 Flexible Wedge
    • 6.3.4 Solid Wedge
    • 6.3.5 Parallel Slide
  • 6.4 Bolted Bonnet Gate Valves Market, By Material Type
    • 6.4.1 Cast Iron
    • 6.4.2 Carbon Steel
    • 6.4.3 Stainless Steel
    • 6.4.4 Alloy Steel
    • 6.4.5 Others

• 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 Bolted Bonnet Gate Valves 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 Bolted Bonnet Gate Valves market is categorized based on

By Product Type

• Rising Stem
• Non-Rising Stem
• Flexible Wedge
• Solid Wedge
• Parallel Slide

By Application

• Oil & Gas
• Water & Wastewater
• Chemicals
• Power Generation
• Others

By User

• Oil & Gas Industry
• Chemical Industry
• Water & Wastewater Treatment Plants
• Power Plants
• Others

By Material Type

• Cast Iron
• Carbon Steel
• Stainless Steel
• Alloy Steel
• Others

By Region

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

Key Players

• Emerson Electric Co.
• Flowserve Corporation
• Crane Co.
• Velan Inc.
• SPX Flow, Inc.
• Honeywell International Inc.
• Schneider Electric SE
• Pentair plc
• AVK Holding A/S
• Kitz Corporation
• Bray International, Inc.
• Tyco International plc
• Metso Outotec
• GE Oil & Gas
• National Oilwell Varco, Inc.