Cable Fault Tester

Cable Fault Tester Market Outlook

The global Cable Fault Tester market is projected to reach a size of approximately USD 2.5 billion by 2035, growing at a compounded annual growth rate (CAGR) of around 6.5% from 2025 to 2035. The growth of this market is primarily driven by the increasing demand for efficient fault detection in electrical cables, propelled by the rise in infrastructure development, expansion of telecommunication networks, and the growing need for reliable power supply systems. Additionally, the transition towards smart grid technology and the increasing integration of renewable energy sources necessitate advanced testing equipment to ensure operational reliability and safety. The push towards minimizing downtime for utility services and enhancing maintenance protocols is further supporting the market growth, as industries increasingly recognize the value of preventive maintenance measures that cable fault testers provide.

Growth Factor of the Market

The growth factors contributing to the Cable Fault Tester market are varied and impactful, reflecting both technological advancements and market needs. One significant driver is the rising complexity of electrical systems, which necessitates more sophisticated fault detection solutions to ensure consistent performance and safety. Furthermore, as industries such as telecommunications and energy sectors expand, the demand for reliable testing equipment to identify and rectify faults in cables is rapidly increasing. The growing focus on reducing operational costs, combined with an emphasis on preventive maintenance practices, has led to an uptick in the adoption of these testing devices. Additionally, government regulations mandating the maintenance of power and communication networks have intensified the need for effective fault testing. Lastly, advancements in testing technology have enabled the development of more compact, accurate, and user-friendly cable fault testers, driving their adoption across various sectors.

Key Highlights of the Market

• Significant growth expected at a CAGR of 6.5% from 2025 to 2035.
• Increasing adoption of advanced technologies for enhanced fault detection.
• Strong demand from the power and telecommunications sectors.
• Focus on preventive maintenance and reduction of downtime.
• Regulatory frameworks fostering the use of reliable testing equipment.

By Product Type

Portable Cable Fault Tester:

Portable Cable Fault Testers are designed for ease of use and transportability, making them ideal for field applications. These testers are lightweight and compact, enabling technicians to carry them to various sites for on-the-spot fault detection and analysis. Their versatility allows them to be used across various types of cables, providing quick results that help reduce downtime. The demand for portable testers is surging, particularly in sectors like telecommunications and utility services, where timely fault detection is critical to maintaining operational efficiency. Additionally, advancements in battery technology and user interface design have further enhanced their appeal among end-users.

Handheld Cable Fault Tester:

Handheld Cable Fault Testers are designed for manual operation, providing a convenient and efficient solution for identifying cable faults. These devices are user-friendly and often feature intuitive interfaces, making them accessible even to technicians with limited experience. Their compact nature makes them ideal for tight spaces or challenging working environments. Given their capability to quickly identify faults, they are widely used in maintenance routines across various industries, including building management and telecommunications. The convenience of handheld testers has driven their adoption, especially in maintenance teams seeking to enhance productivity without compromising on accuracy.

Online Cable Fault Tester:

Online Cable Fault Testers are state-of-the-art devices that monitor the integrity of cables while they are in operation. This real-time monitoring capability is crucial for identifying potential faults before they lead to significant failures, ultimately contributing to higher system reliability and safety. These testers are increasingly being integrated into smart grid systems and industrial automation processes, where continuous oversight is essential. As operators prioritize minimizing service interruptions and seeking efficient solutions for their cable systems, the demand for online cable fault testers is expected to grow, reflecting a shift towards proactive maintenance strategies.

Integrated Cable Fault Tester:

Integrated Cable Fault Testers combine multiple testing functionalities into a single device, offering users a comprehensive solution for cable management. These testers can perform various tests, including fault location, insulation resistance, and continuity tests, thereby reducing the need for multiple pieces of equipment. This integration not only streamlines operations but also cuts costs associated with purchasing and maintaining several testers. Industries that require thorough cable assessments, like power generation and distribution, are increasingly investing in integrated systems to enhance their testing capabilities and improve fault management processes.

Advanced Cable Fault Tester:

Advanced Cable Fault Testers incorporate the latest technology to provide high-precision fault detection capabilities. These testers often utilize sophisticated algorithms and enhanced measurement techniques to identify even the most subtle faults in cables. The rise of electrical systems complexity, especially in urban infrastructure and renewable energy systems, has spurred demand for these advanced solutions. Users benefit from improved accuracy and faster results, helping minimize downtime and optimize maintenance schedules. The trend towards high-performance testers is set to continue as industries seek reliable solutions that enhance operational efficiency and safety.

By Application

Power Cables:

The application of cable fault testers in power cables is paramount, given the critical role of electrical infrastructure in modern society. Power cables are essential for transmitting electricity from generation sources to consumers, and faults in these cables can lead to significant outages and safety hazards. As a result, there is a strong emphasis on regular testing and maintenance of power cables to ensure reliability and safety. Cable fault testers tailored for power applications help utilities quickly locate and address faults, preventing extended downtime and maintaining service quality, thus driving demand in this segment.

Communication Cables:

Communication cables, which facilitate connectivity in telecommunication networks, require robust testing solutions to ensure consistent performance. Faults in these cables can disrupt communication services, impacting both businesses and individuals. As telecommunication services continue to expand and evolve, particularly with the proliferation of broadband services, the need for reliable cable fault testing has grown significantly. Testing these cables ensures high-quality service delivery, with cable fault testers enabling timely identification of issues and reducing service disruptions. This heightened focus on communication network reliability significantly contributes to the growth of the cable fault tester market in this segment.

Control Cables:

Control cables are critical for the operation of various machinery and equipment, allowing control signals to be transmitted effectively. Faults in these cables can lead to operational failures and safety risks, making reliable testing paramount in industries such as manufacturing and process control. Cable fault testers designed for control cables help ensure that these systems operate smoothly by quickly identifying and rectifying faults. The increasing automation of industries has heightened the demand for reliable control cable testing, thereby supporting the growth of this segment within the cable fault tester market.

Coaxial Cables:

Coaxial cables, widely used for television and internet connectivity, require precise testing to ensure optimal signal transmission. Faults in coaxial cables can lead to degraded performance and service interruptions, making regular testing essential for service providers. The demand for cable fault testers specifically designed for coaxial cables has been growing as the need for high-quality broadcasting and internet services intensifies. These testers allow technicians to quickly and accurately identify issues, thereby maintaining service integrity and enhancing customer satisfaction in this highly competitive market.

Fiber Optic Cables:

Fiber optic cables represent the forefront of communication technology, providing high-speed data transmission capabilities. Given their critical role in modern telecommunications, testing these cables for faults is essential to ensure optimal performance. Cable fault testers designed for fiber optic cables offer advanced functionalities to detect faults such as breaks or bends that could impede signal quality. As the demand for high-speed internet and data services continues to escalate, the need for effective fiber optic cable testing solutions becomes increasingly vital, driving growth in this segment of the cable fault tester market.

By Distribution Channel

Direct Sales:

Direct sales channels have proven to be a significant avenue for distributing cable fault testers, allowing manufacturers to connect directly with end-users. This channel facilitates a comprehensive understanding of customer needs, enabling manufacturers to provide tailored solutions that meet specific requirements. Direct sales can also enhance customer relationships and promote loyalty, as customers benefit from personalized service and technical support. As industries increasingly seek reliable solutions, the effectiveness of direct sales channels in providing not only products but also expert assistance plays a crucial role in the growth of the cable fault tester market.

Indirect Sales:

Indirect sales channels, including distributors and resellers, are critical for broadening the reach of cable fault testers across various markets. These channels help manufacturers leverage existing relationships and networks to enhance market penetration, ensuring that products are available in diverse geographical regions. Indirect sales also allow manufacturers to scale their operations without the need for extensive infrastructure. As the demand for cable fault testing solutions grows, the reliance on indirect sales channels becomes increasingly important in distributing products to end-users effectively, thus contributing to overall market growth.

Online Retail:

Online retail has emerged as a powerful distribution channel for cable fault testers, reflecting the broader trends in eCommerce. The convenience of online purchasing allows customers to access a wide range of testing solutions from various manufacturers at competitive prices. With the increasing reliance on digital platforms, manufacturers are investing in their online presence to capture this growing segment of customers. Online retail also provides valuable customer insights through browsing and purchasing patterns, enabling manufacturers to optimize their offerings. The trend towards online purchasing is likely to continue driving growth in the cable fault tester market, as more customers seek the ease and efficiency of purchasing equipment online.

By Technology

Time Domain Reflectometry (TDR):

Time Domain Reflectometry (TDR) is a widely used technology in cable fault testing, known for its precision in locating faults along cables. TDR works by sending a pulse of energy along the cable and measuring the reflection of that pulse when it encounters a fault. This technology provides valuable insights into the location and nature of the fault, aiding technicians in executing repairs efficiently. As the need for quick and accurate fault detection grows, TDR technology continues to be a leading choice among professionals in the utility and telecommunications sectors, driving its demand in the cable fault tester market.

Arc Reflection Method (ARM):

The Arc Reflection Method (ARM) is a technique that leverages the properties of electrical arcs created by faults to identify their location. By analyzing the characteristics of these arcs, technicians can determine the fault's nature and position along the cable. ARM is particularly useful in high-voltage applications, where traditional methods may be less effective. The increasing complexity of electrical systems and the push for reliable testing solutions bolster the adoption of ARM in various sectors. As industries prioritize safety and maintenance, the ARM technology's ability to provide accurate fault identification makes it an essential component of the cable fault tester market.

Impulse Current Method (ICM):

The Impulse Current Method (ICM) is another effective technology for detecting cable faults, focusing on the response of cables to short-duration high-voltage impulses. This method allows for the identification of insulation failures and other weaknesses within the cable system. ICM is particularly valuable in applications where traditional testing methods may fall short, as it provides insights into the condition of cables and their components. The rising focus on preventive maintenance across industries is driving the adoption of ICM as a reliable testing solution, contributing to the growth of the cable fault tester market.

Bridge Method:

The Bridge Method utilizes a comparison of impedance levels between known and unknown circuits to identify faults in cables. This technique is valuable for its precision and ability to detect a range of fault types. The method’s effectiveness in various applications, including communication and power cables, enhances its reputation among technicians and engineers. As industries seek methods to enhance their cable maintenance strategies and improve system reliability, the Bridge Method's adoption is expected to grow, fostering its contribution to the overall cable fault tester market.

Others:

The 'Others' category encompasses various niche technologies and methodologies employed in cable fault testing. These might include methods like frequency domain reflectometry or specific proprietary technologies developed by manufacturers. While not as prevalent as TDR or ARM, these technologies can offer unique advantages in specific applications or environments. As the demand for diverse testing solutions grows, the 'Others' category may expand, offering various choices for industries seeking specialized testing capabilities. This diversity in technology further enhances the cable fault tester market's adaptability to various industry needs.

By Time Domain Reflectometry

Time Domain Reflectometry (TDR):

Time Domain Reflectometry (TDR) remains a pivotal technology in cable fault testing, known for its capacity to accurately locate faults in various types of cables. By sending a pulse down the cable and observing the reflections caused by any discontinuities, TDR provides a visual display of the cable's condition. This technology is particularly valued in scenarios where quick identification of faults can significantly reduce downtime and repair costs. As industries increasingly rely on technology for maintenance and monitoring, the application of TDR in cable fault testing continues to gain momentum, reflecting its importance in enhancing operational efficiency.

By Arc Reflection Method

Arc Reflection Method (ARM):

The Arc Reflection Method (ARM) is utilized for its efficiency in locating faults through the analysis of electrical arcs that occur during faults. This method is particularly effective in high-voltage environments, where the nature of faults can be complex and potentially dangerous. By capturing data on the arc's characteristics, technicians can swiftly pinpoint the fault's location, allowing for timely interventions and repairs. The increasing awareness of safety and reliability in electrical systems drives the demand for ARM technology, marking its significance in the cable fault tester market.

By Impulse Current Method

Impulse Current Method (ICM):

The Impulse Current Method (ICM) is a robust testing method that applies short bursts of high voltage to assess the integrity of cables. This technique is particularly beneficial for identifying insulation breakdowns and other critical failures that could lead to operational inefficiencies. The ability of ICM to reveal the condition of cables under dynamic conditions makes it a preferred choice among technicians involved in preventive maintenance. As industries increasingly focus on minimizing downtime and ensuring reliability, the adoption of ICM in cable fault testing is anticipated to grow significantly.

By Region

The regional analysis of the Cable Fault Tester market reveals significant variations in demand and growth potential. North America is currently one of the leading markets, driven largely by the extensive infrastructure of power and communication networks. The increasing investment in smart grid technology and the maintenance of aging electrical systems contribute to a robust CAGR of approximately 7% in this region. Moreover, the presence of key players and a well-established distribution network enhance market accessibility, fueling further growth in the North American cable fault tester sector.

In contrast, the Asia Pacific region is expected to exhibit the highest growth rate in the coming years, as countries such as India and China continue to invest heavily in infrastructure development and modernization of electrical systems. As urbanization accelerates, the need for reliable power and communication networks becomes critical, driving the demand for effective cable fault testing solutions. With an expected CAGR of around 8% from 2025 to 2035, the Asia Pacific market offers significant opportunities for growth, making it a focal point for manufacturers and service providers.

Opportunities

The Cable Fault Tester market presents numerous opportunities for growth, particularly as industries increasingly prioritize the maintenance and reliability of their electrical networks. One significant opportunity is the ongoing development and integration of smart grid technologies, which necessitate enhanced fault detection capabilities to ensure optimal operation and minimize outages. As utility companies and service providers invest in modernizing their infrastructure, the demand for advanced cable fault testing solutions is expected to rise. This presents an attractive market for manufacturers to introduce innovative products that cater to the evolving needs of the industry.

Another opportunity lies in the growing trend of preventive maintenance across various sectors. Companies are recognizing the importance of identifying and rectifying faults before they lead to significant failures or service interruptions. This shift towards proactive maintenance strategies aligns with the functionality of cable fault testers, which provide the necessary tools for regular assessments. Manufacturers can capitalize on this trend by offering comprehensive testing solutions that integrate seamlessly into maintenance programs, thereby enhancing their market presence and expanding their customer base.

Threats

Despite the promising outlook for the Cable Fault Tester market, certain threats could hinder growth. One prominent threat is the rapid technological advancements in the industry, which may lead to shorter product life cycles and increased competition among manufacturers. As new technologies emerge, existing products may quickly become outdated, forcing companies to continuously innovate and upgrade their offerings. This pressure to stay relevant can be particularly challenging for smaller manufacturers with limited resources and R&D capabilities, potentially resulting in market consolidation as they struggle to compete.

Additionally, economic fluctuations and uncertainties can threaten the Cable Fault Tester market. A downturn in key sectors such as construction, telecommunications, or energy can lead to reduced investments in infrastructure and maintenance, adversely impacting the demand for cable fault testing solutions. Companies may delay or scale back their purchasing decisions, resulting in slowed growth for manufacturers. To mitigate these threats, businesses must remain agile and responsive to market changes, ensuring they can adapt their strategies to maintain competitiveness.

Competitor Outlook

• Fluke Networks
• Megger
• EXFO Inc.
• Keysight Technologies
• Ideal Industries
• Schneider Electric
• Tektronix
• PCE Instruments
• Cooper Instruments
• RIKON Tools
• AFL Telecommunications
• Vanguard Instruments
• Digital Lightwave
• Haecker Automation
• Rohde & Schwarz

The competitive landscape of the Cable Fault Tester market is characterized by a mix of established players and emerging companies working to innovate and capture market share. Major companies such as Fluke Networks and Megger have solidified their positions by offering a wide range of high-quality testing solutions tailored to meet the needs of various industries. Their focus on research and development has enabled these companies to introduce cutting-edge technologies that enhance the efficiency and accuracy of cable fault testing, thereby maintaining a competitive edge in the market. Furthermore, strategic partnerships and collaborations among key players have facilitated the sharing of resources and expertise, allowing for more comprehensive product offerings that cater to diverse customer needs.

Emerging players and smaller companies are also making significant strides within the Cable Fault Tester market, leveraging niche technologies or specialized applications to carve out their market segments. Companies like PCE Instruments and RIKON Tools are gaining traction by focusing on specific testing methodologies or industry needs, such as portable and handheld solutions. These players often prioritize flexibility and customization in their offerings, enabling them to respond rapidly to market demands. As such, the competitive landscape remains dynamic, with ongoing innovations and shifts in consumer preferences driving competition among both established and emerging participants.

Additionally, the competitive environment is influenced by the increasing emphasis on sustainability and energy efficiency in the electrical and telecommunications sectors. Major companies are investing in environmentally friendly manufacturing processes and energy-efficient testing solutions to align with regulatory requirements and consumer preferences. This shift towards sustainable practices not only enhances brand reputation but also opens new market opportunities as customers become more aware of environmental considerations. As the market evolves, companies that strategically position themselves as leaders in both technology and sustainability are likely to secure a stronger foothold in the Cable Fault Tester 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 Megger
    • 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 EXFO 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 Tektronix
    • 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 RIKON Tools
    • 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 Fluke Networks
    • 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 PCE Instruments
    • 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 Rohde & Schwarz
    • 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 Ideal Industries
    • 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 Digital Lightwave
    • 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 Cooper Instruments
    • 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 Haecker Automation
    • 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 Schneider Electric
    • 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 Vanguard Instruments
    • 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 Keysight Technologies
    • 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 AFL Telecommunications
    • 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 Cable Fault Tester Market, By Technology
    • 6.1.1 Time Domain Reflectometry (TDR)
    • 6.1.2 Arc Reflection Method (ARM)
    • 6.1.3 Impulse Current Method (ICM)
    • 6.1.4 Bridge Method
    • 6.1.5 Others
  • 6.2 Cable Fault Tester Market, By Application
    • 6.2.1 Power Cables
    • 6.2.2 Communication Cables
    • 6.2.3 Control Cables
    • 6.2.4 Coaxial Cables
    • 6.2.5 Fiber Optic Cables
  • 6.3 Cable Fault Tester Market, By Product Type
    • 6.3.1 Portable Cable Fault Tester
    • 6.3.2 Handheld Cable Fault Tester
    • 6.3.3 Online Cable Fault Tester
    • 6.3.4 Integrated Cable Fault Tester
    • 6.3.5 Advanced Cable Fault Tester
  • 6.4 Cable Fault Tester Market, By Distribution Channel
    • 6.4.1 Direct Sales
    • 6.4.2 Indirect Sales
    • 6.4.3 Online Retail

• 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 Cable Fault Tester Market by Region
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 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 Cable Fault Tester market is categorized based on

By Product Type

• Portable Cable Fault Tester
• Handheld Cable Fault Tester
• Online Cable Fault Tester
• Integrated Cable Fault Tester
• Advanced Cable Fault Tester

By Application

• Power Cables
• Communication Cables
• Control Cables
• Coaxial Cables
• Fiber Optic Cables

By Distribution Channel

• Direct Sales
• Indirect Sales
• Online Retail

By Technology

• Time Domain Reflectometry (TDR)
• Arc Reflection Method (ARM)
• Impulse Current Method (ICM)
• Bridge Method
• Others

By Region

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

Key Players

• Fluke Networks
• Megger
• EXFO Inc.
• Keysight Technologies
• Ideal Industries
• Schneider Electric
• Tektronix
• PCE Instruments
• Cooper Instruments
• RIKON Tools
• AFL Telecommunications
• Vanguard Instruments
• Digital Lightwave
• Haecker Automation
• Rohde & Schwarz