PID Photoionization Detection Sensors and Detectors Sales

PID Photoionization Detection Sensors and Detectors Sales Market Outlook

The global PID Photoionization Detection Sensors and Detectors market is projected to reach approximately USD 1.5 billion by 2035, with a compound annual growth rate (CAGR) of around 6.5% during the forecast period from 2025 to 2035. This growth is primarily driven by increasing safety regulations, the rising need for monitoring hazardous materials in various industries, and growing environmental concerns regarding air quality. Additionally, technological advancements and the introduction of innovative sensor solutions are expected to augment market demand, as organizations seek to enhance their workplace safety protocols. The expanding applications of PID technology across sectors such as environmental monitoring and industrial hygiene are further propelling market evolution. Furthermore, the global push for sustainable practices in manufacturing and industrial operations is creating significant opportunities for PID technology adoption.

Growth Factor of the Market

One of the primary growth factors for the PID Photoionization Detection Sensors and Detectors market is the increasing regulatory framework surrounding workplace safety and environmental protection. Governments worldwide are implementing stringent regulations to monitor air quality and limit exposure to hazardous substances, thus driving the demand for effective detection systems. Additionally, the rising awareness of occupational hazards and the importance of maintaining a safe working environment have compelled industries to invest in advanced detection technologies. Technological advancements, such as the development of portable and wireless PID sensors that offer real-time monitoring capabilities, are also enhancing the market landscape. The growth in sectors such as oil and gas, manufacturing, and chemical industries, where the detection of volatile organic compounds (VOCs) is crucial, is further catalyzing market expansion. Furthermore, the shift towards smart city initiatives and the integration of Internet of Things (IoT) in environmental monitoring applications are anticipated to create new avenues for growth in the PID sensor market.

Key Highlights of the Market

• The global PID sensor market is expected to grow at a CAGR of 6.5% from 2025 to 2035.
• Technological innovations are leading to the development of more efficient and portable detection solutions.
• Regulatory mandates are driving adoption across industries such as manufacturing, oil and gas, and environmental monitoring.
• Increasing awareness regarding workplace safety is propelling demand for PID sensors and detectors.
• The emergence of IoT and smart technologies is expected to enhance PID applications in various sectors.

By Product Type

Portable PID Sensors:

Portable PID sensors are rapidly gaining traction in the market due to their versatility and ease of use. These sensors are designed for field applications, allowing users to conduct on-the-go measurements of volatile organic compounds (VOCs) and other hazardous materials. The portability factor not only enhances flexibility but also ensures that workers can carry out safety checks in various environments, from industrial sites to outdoor locations. Additionally, advancements in battery technology have improved the operational time of these sensors, making them a preferred choice for environmental monitoring and industrial hygiene purposes. The growing emphasis on real-time data acquisition and safety compliance in workplaces further solidifies the demand for portable PID sensors, positioning them as key contributors to market growth.

Fixed PID Sensors:

Fixed PID sensors are predominantly used in permanent installations across various industries for continuous monitoring of air quality and hazardous substances. These sensors are essential in environments where constant surveillance is crucial, such as chemical plants, oil refineries, and laboratories. The fixed nature of these sensors ensures that they can provide real-time data on VOC levels, allowing for immediate action in case of hazardous conditions. As industries become more focused on workplace safety and compliance with environmental regulations, the demand for fixed PID sensors is expected to rise. Furthermore, advancements in sensor technology are enabling enhanced sensitivity and specificity, making fixed PID sensors a reliable choice for organizations committed to maintaining high safety standards.

Wireless PID Sensors:

Wireless PID sensors represent the next generation of detection technology, offering unprecedented convenience and efficiency. These sensors utilize wireless communication protocols to transmit data to centralized monitoring systems, eliminating the need for cumbersome wiring and facilitating ease of installation. This feature is particularly advantageous in large industrial environments where mobility and flexibility are crucial. Moreover, the integration of wireless PID sensors with IoT devices allows for remote monitoring and data analysis, thus enhancing decision-making processes. The rising trend of smart manufacturing and the increasing adoption of automated systems are expected to drive the growth of wireless PID sensors in the coming years, as organizations seek to optimize their safety and monitoring capabilities.

By Application

Environmental Monitoring:

Environmental monitoring is one of the primary applications of PID photoionization detection sensors. They are extensively used to track and assess the presence of VOCs and other hazardous substances in air, water, and soil, contributing to environmental protection efforts. As global awareness of environmental issues increases, regulatory bodies are imposing stricter guidelines on emissions and pollutant levels, pushing industries to adopt advanced monitoring technologies. PID sensors enable continuous monitoring, thereby providing real-time data essential for compliance and remediation efforts. This segment is projected to witness significant growth as environmental concerns escalate and industries strive to minimize their ecological footprint.

Industrial Hygiene:

The industrial hygiene sector employs PID sensors to ensure workplace safety by monitoring air quality and identifying harmful substances that could affect employee health. As organizations recognize the importance of protecting their workforce from exposure to toxic chemicals, the demand for PID sensors is increasing. These sensors help in the detection of VOCs and other hazardous gases, facilitating immediate responses to potential risks. The growing focus on occupational health and safety regulations is driving industries to invest in monitoring solutions, thereby propelling the growth of the PID sensor market in the industrial hygiene application segment.

Hazmat Response:

Hazmat response applications significantly benefit from PID photoionization detection sensors, as they are critical in emergency situations involving hazardous materials. These sensors provide first responders with essential information about the presence and concentration of toxic substances in the environment, allowing them to assess risks and take necessary precautions. The increasing frequency of industrial accidents and spill incidents is elevating the demand for effective detection solutions in hazmat response scenarios. As a result, this segment is anticipated to witness robust growth, driven by the need for enhanced safety measures and rapid incident response capabilities.

Indoor Air Quality:

Indoor air quality (IAQ) has emerged as a key focus area, particularly in light of recent global health challenges. PID sensors are instrumental in assessing air quality within buildings by detecting harmful VOCs, which can originate from various sources such as paints, cleaning agents, and building materials. The growing awareness of the health implications associated with poor indoor air quality is prompting organizations and homeowners to invest in monitoring solutions. This application segment is expected to experience considerable growth as the demand for healthier indoor environments rises, alongside increasing regulations aimed at improving air quality standards.

Others:

This segment encompasses a variety of applications that utilize PID sensors, from research and development labs to food and beverage processing industries. PID sensors are employed in various niche applications where hazardous substance detection is critical. The versatility of PID technology allows for its implementation in diverse fields, contributing to overall market growth. As industries continue to explore innovative solutions for safety and compliance, the demand for PID sensors across various applications is likely to expand, further enhancing the market landscape.

By Distribution Channel

Online Stores:

Online stores are becoming increasingly popular as a distribution channel for PID photoionization detection sensors. The convenience of online shopping, combined with the ability to compare products and prices from multiple suppliers, has led to a shift in purchasing behavior among consumers and businesses. E-commerce platforms enable buyers to access a wide range of PID sensors easily, facilitating informed decision-making. Additionally, the growing trend of digitalization across industries is driving the acceptance of online purchasing, further enhancing this distribution channel's significance in the market.

Electronics Stores:

Electronics stores serve as a traditional yet vital distribution channel for PID sensors, catering to both consumers and industrial clients. These stores often provide a hands-on experience for buyers, allowing them to evaluate the functionality and specifications of various PID sensors before making a purchase. As the demand for PID sensors continues to rise, electronics stores are expanding their product offerings to include a more comprehensive range of detection solutions, catering to a broader audience. The physical presence of these stores and the expertise of the sales staff contribute to building customer trust and satisfaction, making them a crucial player in the distribution landscape.

Industrial Suppliers:

Industrial suppliers play a pivotal role in the distribution of PID photoionization detection sensors, as they often cater to specific industry needs and provide tailored solutions. These suppliers have established relationships with manufacturers, ensuring access to a wide variety of products suitable for various applications. Their expertise in the industrial sector allows them to offer valuable insights and recommendations to customers, facilitating informed purchasing decisions. As industries increasingly prioritize safety and compliance, the role of industrial suppliers in the market is expected to expand, providing essential support to organizations seeking effective detection solutions.

Direct Sales:

Direct sales remain a significant distribution channel for PID sensors, particularly for manufacturers looking to establish direct relationships with their customers. This approach allows manufacturers to provide personalized service and support, catering to the specific needs of their clients. Direct sales also enable companies to communicate their product benefits and technical specifications effectively. As the complexity of detection solutions increases and customer requirements evolve, direct sales strategies are becoming more vital in providing tailored solutions that meet unique business challenges.

Others:

The 'Others' segment includes various distribution channels that may not fit neatly into the aforementioned categories. This can encompass niche distributors, specialized retailers, or regional suppliers that cater to specific markets. The diversity in distribution channels reflects the varied nature of the PID sensor market and the need for flexibility in reaching different customer segments. As the demand for PID sensors continues to grow, the 'Others' distribution channel will likely adapt to meet emerging trends and customer preferences, contributing to the overall market expansion.

By Technology Type

Photoionization Detectors:

Photoionization detectors (PID) are the cornerstone technology in the PID sensor market, known for their ability to detect a wide range of volatile organic compounds (VOCs) with high sensitivity. These detectors work by using ultraviolet light to ionize gas molecules, allowing for precise measurements of gas concentrations. Their versatility is one of the key advantages, enabling them to be employed in various applications, from industrial hygiene to environmental monitoring. As regulatory requirements for air quality and safety increase, the demand for photoionization detectors is expected to rise, positioning them as a dominant technology type in the PID sensor market.

Flame Ionization Detectors:

Flame ionization detectors (FID) are another critical technology segment, primarily used in applications requiring the detection of hydrocarbons and other organic compounds. Utilizing a hydrogen flame to ionize the gas sample, FIDs are known for their high sensitivity and reliable performance. Although they are less versatile than PIDs in terms of the range of detectable compounds, their effectiveness in specific applications—such as petrochemical processes—ensures their ongoing relevance in the market. As industries that deal with hydrocarbons and organic compounds continue to grow, FIDs will maintain a significant share of the PID sensor technology landscape.

Metal Oxide Sensors:

Metal oxide sensors (MOS) offer an alternative technology for detecting gases, leveraging the change in resistance of a metal oxide material to assess gas concentrations. These sensors are generally cost-effective and can detect a variety of gases, making them appealing for various applications. However, they may not achieve the same level of specificity and sensitivity as photoionization detectors. Despite this, the increasing adoption of metal oxide sensors in consumer products and industrial applications is expected to drive growth in this technology segment, particularly as advancements improve their performance and reliability.

Gas Chromatography Detectors:

Gas chromatography detectors represent a more complex technology used for separating and analyzing compounds in gaseous mixtures. While they are not as widely used in real-time monitoring as PID sensors, they are essential for laboratory applications where detailed analysis of gas samples is required. The precision offered by gas chromatography makes it invaluable in research and regulatory environments, particularly in industries like pharmaceuticals and environmental science. As the need for accurate gas analysis continues to grow, gas chromatography detectors will remain an important technology within the overall PID sensor landscape.

Others:

The 'Others' segment encompasses various other emerging detection technologies that may not fit into the primary categories mentioned above. This includes newer sensor technologies or innovative solutions that are being developed to enhance detection capabilities. As the market evolves, these alternative technologies will likely contribute to addressing specific detection challenges, driving further innovation and competition within the PID sensor market. The continuous pursuit of more efficient, accurate, and cost-effective detection solutions will stimulate the growth of this segment in the coming years.

By Region

The PID Photoionization Detection Sensors and Detectors market is witnessing varied growth across different regions, reflecting the diverse industrial needs and regulatory frameworks in place. In North America, the market is poised for significant growth due to stringent safety regulations and a robust manufacturing base. The region is projected to hold around 35% of the global market share, with a CAGR of 6.8% during the forecast period. The increasing emphasis on workplace safety and environmental monitoring is driving the demand for advanced detection technologies, further solidifying North America’s leadership position in the PID sensor market.

In Europe, the PID sensor market is also expected to grow substantially, accounting for approximately 30% of the global market share. The region's growth is attributed to rigorous environmental regulations and a heightened awareness of air quality issues. Countries like Germany, France, and the UK are leading the charge in adopting PID technologies for both industrial and environmental applications. The Asia Pacific region is following closely, with rapid industrialization and urbanization fueling the demand for PID sensors, particularly in countries like China, India, and Japan. As a result, the Asia Pacific region is expected to witness the highest CAGR of 7.2% during the forecast period, indicating a shift towards more stringent safety and environmental practices in the region.

Opportunities

One of the most prominent opportunities in the PID Photoionization Detection Sensors and Detectors market lies in the growing trend of smart city initiatives. As urban areas expand and populations increase, the need for effective environmental monitoring systems becomes critical. PID sensors can play a vital role in measuring air quality, detecting pollutants, and ensuring compliance with environmental standards in urban settings. Additionally, the integration of IoT technology with PID sensors presents a significant opportunity for real-time monitoring and data collection. By leveraging cloud technology, cities can analyze air quality data and respond promptly to pollution events, thus enhancing the overall quality of life for residents. This trend is expected to drive innovation and investment in the PID sensor market, creating ample opportunities for growth.

Moreover, the increasing awareness of the health impacts associated with poor indoor air quality offers substantial opportunities for PID sensor adoption in residential and commercial buildings. As more consumers prioritize health and well-being, the demand for effective air monitoring solutions is expected to rise. This trend is further supported by the growing number of regulations aimed at improving indoor air quality in workplaces and public spaces. Manufacturers that can provide accessible and user-friendly PID solutions for indoor air monitoring will likely capture significant market share. The expansion into residential markets and the development of cost-effective PID solutions tailored for home use will open new avenues for market growth, enabling companies to diversify their customer base.

Threats

While the PID Photoionization Detection Sensors and Detectors market is poised for growth, several threats could hinder progress. One of the primary concerns is the intense competition within the market, leading to price pressures and reduced profit margins for manufacturers. As more players enter the market, especially with advancements in technology, companies may resort to pricing strategies that could impact overall profitability. Additionally, the rapid pace of technological advancements requires continuous investment in research and development to stay competitive. Companies that fail to keep up with innovation may find themselves at a disadvantage, facing challenges in maintaining market share amidst evolving customer preferences and technological capabilities.

Another significant threat to the market is the potential for regulatory changes that could impact the adoption of PID sensors. As governments and regulatory bodies continue to update safety and environmental regulations, there may be fluctuations in market demand based on compliance requirements. Additionally, the emergence of alternative detection technologies could pose a risk to PID sensors, as innovations in sensor technology may offer more cost-effective or efficient solutions for specific applications. Companies must remain vigilant and adaptable to navigate these changing market dynamics and ensure they can meet evolving customer needs and regulatory standards.

Competitor Outlook

• Honeywell Analytics
• Thermo Fisher Scientific Inc.
• Drägerwerk AG & Co. KGaA
• RAE Systems Inc.
• MSA Safety Incorporated
• Aerodyne Research LLC
• Gastech Engineering Ltd.
• Skytec Solutions
• Oldham (a division of Teledyne Technologies)
• RKI Instruments Inc.
• Chengdu Huaneng Tianye Technology Co., Ltd.
• PID Analyzers
• Environmental Monitoring Solutions, Inc.
• GasMet Technologies Oy
• Environnement S.A.

The competitive landscape of the PID Photoionization Detection Sensors and Detectors market is characterized by a mix of established players and emerging companies, all vying for market share in a rapidly evolving environment. Major players like Honeywell Analytics and Thermo Fisher Scientific Inc. have a strong foothold due to their extensive product offerings and established brand reputation. These companies are continuously investing in research and development to innovate and enhance their product lines, ensuring they meet the diverse needs of customers in various industries. The focus on technological advancements, such as the integration of wireless and IoT capabilities into their sensor offerings, is becoming increasingly important for maintaining a competitive edge in this market.

Furthermore, companies like Drägerwerk AG & Co. KGaA and RAE Systems Inc. are recognized for their specialized PID solutions aimed at specific applications, such as industrial hygiene and environmental monitoring. Their expertise in these areas allows them to provide tailored solutions that cater to the unique challenges faced by their customers. Additionally, the emergence of new players, such as Chengdu Huaneng Tianye Technology Co., Ltd. and GasMet Technologies Oy, is driving competition, pushing existing companies to innovate and improve their offerings. As the market continues to expand, the competitive dynamics will evolve, with companies focusing on strategic partnerships and collaborations to enhance their market presence and accelerate growth.

In conclusion, the PID Photoionization Detection Sensors and Detectors market presents numerous opportunities for growth amidst challenges and competition. Companies that prioritize innovation, customer-centric strategies, and adaptability to changing market conditions are likely to succeed in this dynamic landscape. As industries increasingly recognize the importance of safety and compliance, the demand for PID sensors will continue to rise, paving the way for both established players and newcomers to thrive in this growing market.

• 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 PID Analyzers
    • 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 RAE Systems 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 Skytec Solutions
    • 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 Environnement S.A.
    • 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 Honeywell Analytics
    • 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 RKI Instruments 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 Aerodyne Research LLC
    • 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 GasMet Technologies Oy
    • 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 MSA Safety Incorporated
    • 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 Gastech Engineering Ltd.
    • 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 Thermo Fisher Scientific 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 Drägerwerk AG & Co. KGaA
    • 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 Environmental Monitoring Solutions, 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 Chengdu Huaneng Tianye Technology Co., Ltd.
    • 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 Oldham (a division of Teledyne Technologies)
    • 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 PID Photoionization Detection Sensors and Detectors Sales Market, By Application
    • 6.1.1 Environmental Monitoring
    • 6.1.2 Industrial Hygiene
    • 6.1.3 Hazmat Response
    • 6.1.4 Indoor Air Quality
    • 6.1.5 Others
  • 6.2 PID Photoionization Detection Sensors and Detectors Sales Market, By Product Type
    • 6.2.1 Portable PID Sensors
    • 6.2.2 Fixed PID Sensors
    • 6.2.3 Wireless PID Sensors
  • 6.3 PID Photoionization Detection Sensors and Detectors Sales Market, By Technology Type
    • 6.3.1 Photoionization Detectors
    • 6.3.2 Flame Ionization Detectors
    • 6.3.3 Metal Oxide Sensors
    • 6.3.4 Gas Chromatography Detectors
    • 6.3.5 Others
  • 6.4 PID Photoionization Detection Sensors and Detectors Sales Market, By Distribution Channel
    • 6.4.1 Online Stores
    • 6.4.2 Electronics Stores
    • 6.4.3 Industrial Suppliers
    • 6.4.4 Direct Sales
    • 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 PID Photoionization Detection Sensors and Detectors Sales 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 PID Photoionization Detection Sensors and Detectors Sales market is categorized based on

By Product Type

• Portable PID Sensors
• Fixed PID Sensors
• Wireless PID Sensors

By Application

• Environmental Monitoring
• Industrial Hygiene
• Hazmat Response
• Indoor Air Quality
• Others

By Distribution Channel

• Online Stores
• Electronics Stores
• Industrial Suppliers
• Direct Sales
• Others

By Technology Type

• Photoionization Detectors
• Flame Ionization Detectors
• Metal Oxide Sensors
• Gas Chromatography Detectors
• Others

By Region

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

Key Players

• Honeywell Analytics
• Thermo Fisher Scientific Inc.
• Drägerwerk AG & Co. KGaA
• RAE Systems Inc.
• MSA Safety Incorporated
• Aerodyne Research LLC
• Gastech Engineering Ltd.
• Skytec Solutions
• Oldham (a division of Teledyne Technologies)
• RKI Instruments Inc.
• Chengdu Huaneng Tianye Technology Co., Ltd.
• PID Analyzers
• Environmental Monitoring Solutions, Inc.
• GasMet Technologies Oy
• Environnement S.A.