Incandescent Obstruct Lighting Sales

Incandescent Obstruct Lighting Sales Market Outlook

The global Incandescent Obstruct Lighting market is projected to reach approximately USD 1.2 billion by 2035, growing at a compound annual growth rate (CAGR) of 5.5% during the forecast period from 2025 to 2035. The growth of this market can be attributed to increasing safety regulations and standards in aviation and maritime operations that demand efficient light signaling systems. Additionally, the expansion of urban infrastructure, including skyscrapers and industrial facilities, has necessitated the need for effective obstacle lighting solutions to prevent accidents and ensure safety compliance. Furthermore, advancements in lighting technologies and the integration of smart systems are expected to bolster market growth, as they provide enhanced visibility and operational efficiency. The trend of retrofitting existing lighting systems with energy-efficient solutions also plays a vital role in driving the growth of the Incandescent Obstruct Lighting market.

Growth Factor of the Market

The Incandescent Obstruct Lighting market is poised for significant growth driven by several factors. Firstly, a surge in construction activities across various regions, particularly in developing economies, has led to an increased demand for safety lighting solutions, thereby boosting the market. Additionally, heightened awareness regarding air safety regulations, reinforced by international aviation standards, has made it imperative for tall structures to be equipped with appropriate lighting to prevent accidents. The push towards smart cities has also encouraged the adoption of advanced lighting technologies, enhancing operational safety in urban environments. Moreover, the growing emphasis on environmental sustainability is driving innovations in energy-efficient lighting solutions, thereby creating new growth avenues in the market. Finally, the ongoing recovery of industries post-pandemic is expected to propel the demand for incandescent obstruct lighting systems in both existing and new infrastructures.

Key Highlights of the Market

• The market is projected to reach USD 1.2 billion by 2035.
• Expected CAGR of 5.5% from 2025 to 2035.
• Rising safety regulations in aviation and construction sectors.
• Significant demand from urban infrastructure development.
• Growing trend of retrofitting old lighting systems with modern solutions.

By Product Type

Low-Intensity Incandescent Obstruct Lighting:

Low-Intensity Incandescent Obstruct Lighting is primarily utilized for marking structures such as communication towers and buildings that are less than 200 feet in height. This type of lighting is crucial for ensuring visibility during nighttime and adverse weather conditions. The low-intensity lights are characterized by their functional efficiency and lower energy consumption, making them an economical choice for many installations. As urban landscapes continue to grow, the adoption of low-intensity systems is expected to increase as they meet the regulatory requirements for marking obstructions while providing cost-effective solutions for developers and infrastructure managers. The simplicity of installation and maintenance further contributes to their rising popularity in both commercial and residential applications.

Medium-Intensity Incandescent Obstruct Lighting:

Medium-Intensity Incandescent Obstruct Lighting serves a critical role in applications where visibility is essential for taller structures, specifically those ranging from 200 to 500 feet. This type of lighting is designed to be more powerful than low-intensity systems, capable of being seen from greater distances, thereby enhancing safety for both air and ground traffic. The increasing development of high-rise buildings and extended communication towers necessitates the use of medium-intensity lights to comply with safety regulations set by aviation authorities. The technology behind medium-intensity lighting is also evolving, with improvements in energy efficiency and durability, which are factors encouraging widespread adoption in urban and rural areas alike. Furthermore, adaptability to environmental conditions and advancements in control systems are expected to elevate the functionality of medium-intensity lighting in various applications.

High-Intensity Incandescent Obstruct Lighting:

High-Intensity Incandescent Obstruct Lighting is typically deployed for structures exceeding 500 feet in height, playing a critical role in ensuring the safety of flying aircraft in the vicinity. The lights are specifically designed to provide maximum visibility, utilizing higher wattage bulbs that can be seen from great distances. This segment is particularly important in urban environments where tall skyscrapers and communication towers are prevalent. With the ongoing trend of constructing taller buildings, the demand for high-intensity lighting solutions is expected to rise significantly. Additionally, high-intensity lights often incorporate advanced technologies such as remote monitoring and automated systems to ensure functionality and compliance with lighting regulations. These features not only enhance safety but also provide operational efficiencies, making high-intensity lighting a crucial aspect of modern infrastructure development.

By Application

Towers:

The application of incandescent obstruct lighting in towers is pivotal, as these structures often exceed significant heights, necessitating effective lighting solutions to prevent accidents. Towers, including communication and broadcast towers, require specific lighting configurations to enhance visibility for aircraft and ensure compliance with safety regulations. The growth of telecommunication infrastructure and the demand for 5G technology are expected to further fuel the need for effective lighting systems. Such lighting solutions not only enhance safety but also contribute to the operational efficiency and longevity of tower installations. As regulations evolve and the infrastructure landscape transforms, the role of incandescent obstruct lighting in towers will become increasingly central to maintaining safety and accessibility in airspace management.

Buildings:

Incandescent obstruct lighting in buildings is crucial, particularly in urban areas where skyscrapers and tall structures are prominent. These lighting solutions serve to alert aircraft of potential obstructions, ensuring compliance with aviation safety standards. The increasing number of high-rise buildings around the world demands reliable and effective lighting systems to guarantee safety across various environments. Furthermore, advancements in building management systems have allowed for the integration of lighting controls, which can adjust the intensity and operation of lights based on environmental conditions and time of day. As urbanization continues to rise globally, the application of incandescent obstruct lighting in buildings will see significant growth, further emphasizing the importance of safety in architectural design.

Cranes:

The use of incandescent obstruct lighting on cranes is essential to prevent accidents during construction activities. Given their height and mobility, cranes pose a significant risk to both aerial and ground traffic. Implementing obstruction lighting on cranes not only complies with safety regulations but also enhances the visibility of these operations. As construction projects advance and timelines tighten, the demand for cranes and construction equipment will only increase, driving the need for effective lighting systems. Furthermore, advancements in technology are leading to smarter lighting solutions that can adapt based on the operational status of the crane, contributing to improved safety and efficiency in construction zones. The focus on safety in construction practices will further bolster the market for incandescent obstruct lighting in cranes.

Chimneys:

Chimneys, particularly in industrial settings, require adequate obstruction lighting to ensure they are visible to aircraft in the vicinity. These structures often reach significant heights, necessitating the installation of effective lighting solutions to fulfill aviation safety standards. The rise in industrial activities and the construction of taller smokestacks and chimneys have made incandescent obstruct lighting a key aspect of compliance and safety measures. Furthermore, as industries evolve and strive for sustainability, there is an increasing focus on maintaining efficient and reliable lighting systems that minimize energy consumption while maximizing visibility. As regulations surrounding industrial safety continue to tighten, the incorporation of incandescent lighting solutions in chimneys will remain important for compliance and operational safety.

Others:

The 'Others' segment covers various unique applications of incandescent obstruct lighting beyond towers, buildings, cranes, and chimneys. This includes applications in wind turbines, billboards, and other elevated structures where visibility is essential for safety. As the landscape of infrastructure continues to expand and diversify, the need for effective obstruction lighting in these areas is also expected to grow. The unique characteristics of each application may dictate specific lighting solutions tailored to meet safety regulations, further advancing the technological landscape of incandescent lighting. Additionally, ongoing innovations and developments in this segment will broaden the scope of incandescent obstruct lighting applications, ensuring that safety remains a priority across all types of infrastructure.

By Distribution Channel

Direct Sales:

Direct sales channels play a significant role in the distribution of incandescent obstruct lighting, allowing manufacturers to maintain control over the supply chain and ensure the quality of their products. Through direct sales, companies can establish strong relationships with end-users, providing tailored solutions and support that meet specific needs. This approach not only fosters customer loyalty but also enables manufacturers to gather valuable feedback for product development and improvements. Moreover, direct sales allow for better pricing strategies, as companies can eliminate intermediary costs, ultimately providing competitive pricing in the market. As more companies recognize the importance of customer-centric approaches, direct sales will continue to be an integral part of the distribution strategy for incandescent obstruct lighting.

Distributors:

Distributors are key players in the market for incandescent obstruct lighting as they help bridge the gap between manufacturers and end-users. These intermediaries have established networks that facilitate the distribution of lighting solutions across various regions and industries. Distributors often carry a wide range of products, allowing customers to access multiple brands and options under one roof. Their expertise in understanding local market dynamics enables them to cater to regional requirements effectively, ensuring compliance with regulations and standards. The growing complexity of supply chains and the increasing demand for efficiency will further enhance the significance of distributors in the incandescent obstruct lighting market, as they streamline the purchasing process for customers.

Online Retail:

The online retail channel has emerged as a robust distribution method for incandescent obstruct lighting, driven by the rising trend of e-commerce and digital marketplaces. This channel provides consumers with the convenience of browsing and purchasing lighting solutions from the comfort of their homes or workplaces. The growth of online retail has expanded the market reach for manufacturers, allowing them to tap into previously inaccessible customer segments. Additionally, the availability of extensive product information and customer reviews fosters informed purchasing decisions, enhancing customer satisfaction. As more consumers embrace online shopping, it is expected that the online retail channel will continue to grow, transforming the landscape of the incandescent obstruct lighting market.

By Technology

LED:

LED technology has revolutionized the incandescent obstruct lighting market, offering several advantages over traditional incandescent lights. LED lights are significantly more energy-efficient, consuming less power while providing equivalent or superior brightness levels. This not only reduces operational costs but also minimizes environmental impact, aligning with the global push for sustainability. The longevity of LED lights further enhances their appeal; they often last significantly longer than incandescent bulbs, decreasing maintenance requirements and replacement costs. With advancements in LED technology, manufacturers are increasingly integrating smart features such as dimming and remote control capabilities, which provide added convenience and efficiency. The growing adoption of LED technology in incandescent obstruct lighting is expected to continue, driven by regulatory demands and consumer preferences for energy-efficient solutions.

Xenon:

Xenon lighting technology provides an alternative to traditional incandescent solutions, characterized by its high-intensity output and superior visibility. Xenon lights are typically used in applications where maximum brightness is essential, such as on tall structures and in areas with high levels of ambient light. The rapid startup time and lower heat generation of xenon lights make them suitable for various industrial applications, enhancing their appeal in sectors that prioritize operational efficiency. Additionally, xenon technology is often utilized in combination with other lighting systems to provide a comprehensive solution for safety and visibility needs. As industries continue to prioritize safety and compliance, the demand for xenon lighting solutions in the incandescent obstruct lighting market will likely remain strong.

Halogen:

Halogen lighting technology is known for its ability to produce bright and focused light, making it suitable for various applications, including incandescent obstruct lighting. Halogen bulbs are essentially a type of incandescent bulb but with improved efficiency and longer life expectancy. They are commonly used in settings where vibrant illumination is necessary, such as on tall structures and buildings. The compact size of halogen bulbs allows for more flexibility in design and installation, catering to diverse architectural requirements. Furthermore, the superior color rendering capabilities of halogen lamps enhance visibility, making them a preferred choice for safety applications. As industries continue to seek reliable and effective lighting solutions, the role of halogen technology in the incandescent obstruct lighting sector is expected to persist.

Incandescent:

Traditional incandescent technology remains a foundational aspect of the obstruct lighting market, despite the increasing adoption of newer technologies. Incandescent lights are revered for their warm light output and ability to provide consistent illumination. These lights are often favored in applications where aesthetics play a significant role, such as in historical buildings or areas with specific architectural considerations. While they may not be as energy-efficient as newer alternatives, the simplicity and reliability of incandescent bulbs still hold value in many applications. As regulations regarding lighting technologies evolve, manufacturers are exploring ways to enhance the efficiency and lifespan of incandescent solutions, ensuring their continued relevance in the obstruct lighting market.

By Region

The North American market for incandescent obstruct lighting is one of the largest, driven by stringent safety regulations and a high density of tall structures including skyscrapers and telecommunications towers. This region benefits from a well-established construction sector, with a growing emphasis on compliance with aviation and safety standards. The market in North America is expected to witness a CAGR of 5.0% over the forecast period, driven by increasing urbanization and infrastructure development. Furthermore, the adoption of smart lighting solutions in this region is anticipated to enhance operational efficiencies and safety measures, contributing to the overall growth of the market.

In Europe, the incandescent obstruct lighting market is also witnessing rapid growth, fueled by the expansion of urban infrastructure and increasing regulations focused on aerial safety. Countries such as Germany and the United Kingdom are at the forefront of adopting advanced lighting technologies to comply with regulatory standards. The European market is projected to grow at a CAGR of 4.8% through 2035, leveraging advancements in lighting technologies and a shift towards energy-efficient solutions. Additionally, the focus on reducing carbon footprints and enhancing visibility will further bolster the demand for incandescent obstruct lighting across various applications in this region.

Opportunities

The incandescent obstruct lighting market presents various opportunities driven by ongoing advancements in technology and the need for compliance with safety regulations. One significant opportunity lies in the development of smart lighting solutions that enhance operational efficiency and adaptability in various settings. Incorporating IoT technology into lighting systems can provide real-time monitoring and control options, allowing for more responsive and efficient use of energy. This integration not only meets the growing demands for sustainability but also aligns with the trend of creating smart cities and infrastructures. Furthermore, the increasing focus on renewable energy sources offers a chance for manufacturers to innovate and create hybrid lighting solutions that combine conventional incandescent lighting with solar or wind energy systems, thereby reducing overall energy consumption and long-term costs.

Another opportunity in the incandescent obstruct lighting market is the potential for retrofitting existing lighting systems with modern, energy-efficient solutions. Many older infrastructures still rely on traditional incandescent lights, creating a substantial market for replacement solutions that can enhance safety and reduce energy costs. As regulations around energy efficiency and safety continue to tighten, facility managers and building owners are becoming more inclined to invest in updated lighting systems. Additionally, emerging markets in Asia Pacific and Latin America present significant growth prospects, as rapid urbanization and infrastructure development drive the need for effective obstruction lighting solutions. Companies that can effectively leverage these opportunities through innovative products and strategic partnerships will be well-positioned for growth in this evolving market landscape.

Threats

Despite the growth opportunities in the incandescent obstruct lighting market, several threats could hinder progress. One significant concern is the increasing competition from alternative lighting technologies, such as LED and xenon systems, which offer superior energy efficiency and longer lifespans. As consumers and industries alike prioritize energy savings and sustainability, the preference for these alternatives may negatively impact the demand for traditional incandescent solutions. Additionally, regulatory pressures aimed at phasing out less efficient lighting technologies can pose a threat to manufacturers who rely heavily on incandescent products. The rapid pace of technological advancements necessitates constant innovation, and companies that fail to adapt may find themselves struggling to remain relevant in the market.

Furthermore, fluctuations in raw material costs can also serve as a restraining factor for the incandescent obstruct lighting market. Changes in the prices of components such as glass, metal, and filaments can affect profit margins and overall pricing strategies. Manufacturers must navigate these challenges while ensuring they maintain high-quality products and competitive prices. Additionally, global supply chain disruptions, exacerbated by events such as the COVID-19 pandemic, can further complicate the production and distribution of lighting solutions, leading to delays and increased operational costs. Companies must develop robust supply chain strategies to mitigate these risks and ensure a consistent product supply in the market.

Competitor Outlook

• GE Lighting
• Philips Lighting
• Osram GmbH
• Schneider Electric
• Honeywell International Inc.
• Advance Lighting
• Acuity Brands, Inc.
• Signify Holding
• Cooper Lighting Solutions
• Hubbell Lighting
• Leviton Manufacturing Co., Inc.
• Satco Products, Inc.
• Bulbrite Industries, LLC
• MaxLite Inc.
• Westinghouse Lighting Corporation

The competitive landscape of the incandescent obstruct lighting market is characterized by a mix of established players and emerging companies striving to maintain a foothold in this growing sector. The presence of major corporations such as GE Lighting, Philips Lighting, and Osram GmbH ensures a robust competition as they dominate the market with their extensive product portfolios and strong brand recognition. These companies invest significantly in research and development to stay ahead of their competitors by introducing innovative and energy-efficient lighting solutions that meet evolving safety standards. Moreover, established players benefit from extensive distribution networks and customer loyalty, enabling them to maintain a competitive edge in pricing and availability.

Emerging companies, particularly those specializing in smart lighting solutions and energy-efficient technologies, are challenging the traditional players by offering innovative products that cater to the growing demand for sustainability and efficiency. Many of these firms focus on niche markets, tapping into specific applications such as industrial safety or architectural lighting to carve out their unique market positions. The increasing focus on smart cities and IoT technology presents further opportunities for these companies to differentiate themselves by providing intelligent lighting systems that enhance safety and operational efficiency. As competition intensifies, collaborations and partnerships among companies may become increasingly common as they seek to leverage each other's strengths in product development and market reach.

In this dynamic market, companies like Schneider Electric and Honeywell International Inc. are noteworthy for their commitment to sustainability and innovation. Schneider Electric, for instance, focuses on creating integrated solutions that ensure energy efficiency and safety in various applications, including industrial and urban environments. Their emphasis on smart technology integration positions them favorably in the market. Similarly, Honeywell International Inc. is renowned for its advanced lighting solutions that prioritize safety and compliance, catering to various industries, including aviation and construction. With their extensive expertise and commitment to innovation, these companies are well-positioned to navigate the challenges and opportunities in the incandescent obstruct lighting 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 Osram GmbH
    • 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 GE Lighting
    • 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 MaxLite Inc.
    • 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 Signify Holding
    • 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 Advance Lighting
    • 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 Hubbell Lighting
    • 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 Philips Lighting
    • 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 Schneider Electric
    • 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 Acuity Brands, 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 Satco Products, Inc.
    • 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 Bulbrite Industries, LLC
    • 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 Cooper Lighting Solutions
    • 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 Honeywell 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 Leviton Manufacturing Co., 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 Westinghouse Lighting 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 Incandescent Obstruct Lighting Sales Market, By Application
    • 6.1.1 Towers
    • 6.1.2 Buildings
    • 6.1.3 Cranes
    • 6.1.4 Chimneys
    • 6.1.5 Others
  • 6.2 Incandescent Obstruct Lighting Sales Market, By Product Type
    • 6.2.1 Low-Intensity Incandescent Obstruct Lighting
    • 6.2.2 Medium-Intensity Incandescent Obstruct Lighting
    • 6.2.3 High-Intensity Incandescent Obstruct Lighting
  • 6.3 Incandescent Obstruct Lighting Sales Market, By Distribution Channel
    • 6.3.1 Direct Sales
    • 6.3.2 Distributors
    • 6.3.3 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 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Incandescent Obstruct Lighting 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 Incandescent Obstruct Lighting Sales market is categorized based on

By Product Type

• Low-Intensity Incandescent Obstruct Lighting
• Medium-Intensity Incandescent Obstruct Lighting
• High-Intensity Incandescent Obstruct Lighting

By Application

• Towers
• Buildings
• Cranes
• Chimneys
• Others

By Distribution Channel

• Direct Sales
• Distributors
• Online Retail

By Region

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

Key Players

• GE Lighting
• Philips Lighting
• Osram GmbH
• Schneider Electric
• Honeywell International Inc.
• Advance Lighting
• Acuity Brands, Inc.
• Signify Holding
• Cooper Lighting Solutions
• Hubbell Lighting
• Leviton Manufacturing Co., Inc.
• Satco Products, Inc.
• Bulbrite Industries, LLC
• MaxLite Inc.
• Westinghouse Lighting Corporation