Riveted Gratings

Riveted Gratings Market Outlook

The global riveted gratings market is projected to reach a valuation of approximately USD 2.5 billion by 2035, progressing at a compound annual growth rate (CAGR) of around 5.2% during the forecast period of 2025 to 2035. The growth of this market is attributed to the increasing demand for robust flooring solutions, especially in industrial and commercial applications, where safety and durability are paramount. In addition, rapid urbanization and infrastructural development across emerging economies are driving the adoption of riveted gratings in various sectors. Essentially, the emphasis on workplace safety regulations and the growing need for effective drainage solutions also play a critical role in expanding the market. Furthermore, technological advancements in manufacturing processes are leading to the development of innovative riveted grating products, catering to specific industry needs.

Growth Factor of the Market

Several factors are contributing to the growth of the riveted gratings market, one of which is the increasing industrial activities globally. Industries such as oil and gas, chemical, and manufacturing are heavily reliant on durable flooring solutions that can withstand heavy loads and environmental stresses. The emphasis on workplace safety has led to stricter regulations mandating the use of high-quality flooring products, further driving demand. Moreover, the growing construction sector, bolstered by the rise in infrastructure projects and commercial establishments, is significantly contributing to market expansion. Additionally, the rising popularity of eco-friendly materials, such as fiberglass and aluminum, is creating new opportunities for manufacturers to innovate and capture market share. The versatility and adaptability of riveted gratings in various applications also enhance their market attractiveness, making them a preferred choice among end-users.

Key Highlights of the Market

• The market is projected to grow at a CAGR of 5.2% during the forecast period 2025-2035.
• Innovations in manufacturing techniques are facilitating the development of more durable and efficient riveted gratings.
• The demand for ADA compliant products is increasing, enhancing inclusivity and safety in public spaces.
• Industrial applications dominate the usage of riveted gratings, highlighting the sector’s reliance on robust flooring solutions.
• Geographical expansion in emerging markets is expected to provide substantial growth opportunities for manufacturers.

By Product Type

Standard Riveted Gratings:

Standard riveted gratings are widely preferred in various applications due to their ideal balance of strength and weight. These gratings are commonly used in walkways, platforms, and other general applications where moderate load-bearing capacity is required. The manufacturing process involves riveting together bars to create a sturdy structure that can withstand foot traffic and light machinery loads. Their ease of installation and adaptability to different environments make them a popular choice among end-users. Additionally, standard riveted gratings are available in various sizes and configurations, allowing customization to meet specific project requirements, which further enhances their market appeal.

Heavy Duty Riveted Gratings:

Heavy-duty riveted gratings are engineered to support significantly higher loads, making them ideal for applications in heavy industries, such as oil and gas, mining, and manufacturing. These gratings are designed to withstand extreme pressure and impact, providing unparalleled safety and durability in demanding environments. The manufacturing process typically involves thicker bars and a more robust riveting method, ensuring the gratings can endure harsh conditions. As industries prioritize safety and compliance with stringent regulations, the demand for heavy-duty riveted gratings is expected to grow, as they offer a reliable solution for high-load-bearing applications.

ADA Compliant Riveted Gratings:

ADA compliant riveted gratings are specifically designed to meet the accessibility requirements set forth by the Americans with Disabilities Act. These gratings feature certain specifications, such as maximum spacing between bars and surface treatments that provide slip resistance, ensuring safety for all individuals, including those with disabilities. The increasing emphasis on inclusivity in public infrastructure has propelled the demand for ADA compliant products. Consequently, manufacturers are focusing on developing riveted gratings that not only meet regulatory requirements but also retain aesthetic appeal, making them suitable for public spaces, commercial buildings, and transportation hubs.

Close Mesh Riveted Gratings:

Close mesh riveted gratings are characterized by their closely spaced bars, providing a solid surface that minimizes the risk of objects falling through. These gratings are particularly beneficial in environments where small tools or debris could pose hazards, such as in manufacturing plants or chemical facilities. The tightly woven design enhances stability while facilitating drainage, making them an effective choice in wet environments. The growing awareness of workplace safety is driving the demand for close mesh riveted gratings, as organizations seek solutions that mitigate risks and enhance operational efficiency.

Swage Locked Riveted Gratings:

Swage locked riveted gratings utilize a unique locking mechanism that secures the crossbars and bearing bars, providing enhanced structural integrity. This type of grating is particularly suited for applications requiring high strength and stability while maintaining a lightweight profile. The swage locking technique eliminates the need for traditional riveting methods, resulting in a smoother surface that is easier to clean and maintain. As industries evolve, the need for advanced flooring solutions continues to rise, positioning swage locked riveted gratings as a favorable option to meet these growing demands.

By Application

Industrial:

The industrial application of riveted gratings accounts for a significant portion of the market share, primarily due to the extensive use of these products in manufacturing plants, warehouses, and processing facilities. In these settings, riveted gratings provide essential flooring solutions that enhance safety and facilitate efficient movement of personnel and equipment. Their robust design can endure heavy machinery loads and is often used for walkways, platforms, and equipment access areas. The increasing industrial output across various sectors is anticipated to bolster demand, as organizations prioritize the installation of durable and reliable flooring systems to maintain operational efficiency.

Commercial:

In commercial applications, riveted gratings are employed in a variety of environments, including shopping malls, offices, and airports. These gratings are favored for their aesthetic appeal and functionality, providing safe and stylish flooring options that can withstand foot traffic while allowing for proper drainage. The rise in urbanization and the development of new commercial spaces are significant growth drivers for riveted gratings in this sector. Moreover, the integration of ADA-compliant designs in commercial spaces is further boosting the demand for these products, as businesses aim to provide inclusive environments for all customers.

Residential:

Although the residential segment represents a smaller share of the market, it is steadily gaining traction as homeowners seek durable and attractive flooring solutions for outdoor areas such as patios, decks, and walkways. Riveted gratings provide an excellent choice for these applications, offering safety and stability while enhancing the aesthetic appeal of residential properties. The growing trend of outdoor living spaces is encouraging homeowners to invest in high-quality flooring products, which, in turn, is propelling market growth. Additionally, the availability of customizable options and diverse material choices allows homeowners to tailor their flooring to match their design preferences.

Transportation:

Transportation applications for riveted gratings are critical, as they are widely utilized in infrastructure projects such as railways, airports, and bridges. These gratings provide a safe and reliable surface for walkways and platforms while enabling efficient drainage to prevent water accumulation. The ongoing investments in transportation infrastructure globally, driven by urbanization and economic development, are expected to significantly bolster the demand for riveted gratings in this sector. Furthermore, the focus on enhancing safety standards in public transportation systems is likely to encourage the adoption of high-quality, durable grating solutions.

Others:

The 'Others' category encompasses a variety of niche applications for riveted gratings, including utility and maintenance areas, parking lots, and temporary structures for events. While this segment may not be as prominent as the others, it is nonetheless important in diversifying the market. The flexibility of riveted gratings to be deployed in different scenarios enables manufacturers to cater to specialized requirements, thus tapping into diverse revenue streams. Enhanced awareness of safety and infrastructure maintenance is expected to foster growth in this segment, as industries strive for better solutions in less conventional applications.

By Distribution Channel

Direct Sales:

Direct sales represent a substantial channel in the riveted gratings market, as manufacturers often engage directly with end-users to provide customized solutions tailored to specific project needs. This approach allows manufacturers to establish strong relationships with clients, enabling them to better understand customer requirements and adapt their offerings accordingly. Additionally, direct sales often result in cost savings for both parties, as it eliminates intermediaries. Companies also benefit from receiving firsthand feedback, which can be instrumental in improving product quality and customer satisfaction, subsequently driving repeat business and referrals.

Distributor Sales:

Distributor sales serve as a critical distribution channel for riveted gratings, as many manufacturers partner with established distributors who have extensive networks and market expertise. Distributors facilitate access to a broader customer base, allowing manufacturers to expand their reach without significant investment in sales infrastructure. This channel is particularly advantageous for small to medium-sized manufacturers looking to penetrate regional markets. Distributors also offer the benefit of local stock availability, enabling quicker delivery times and enhanced service for clients. As the demand for riveted gratings continues to evolve, distributor partnerships are likely to play a pivotal role in market dynamics.

Online Retail:

The rise of e-commerce has transformed the way riveted gratings are marketed and sold, with online retail becoming an increasingly popular distribution channel. This shift offers customers the convenience of browsing and purchasing products from the comfort of their homes or offices, which is particularly beneficial for time-sensitive projects. Online platforms enable manufacturers to showcase their product range effectively and provide detailed specifications, enhancing customer knowledge. Furthermore, the global reach of online retail offers manufacturers opportunities to explore international markets that might have been previously inaccessible, driving growth in the riveted gratings landscape.

By Material Type

Steel Riveted Gratings:

Steel riveted gratings are known for their exceptional strength and durability, making them a top choice for industrial applications where heavy loads and harsh conditions are prevalent. Steel gratings can withstand significant weight and are resistant to wear and tear, making them ideal for manufacturing facilities, warehouses, and outdoor applications. The versatility in design, coupled with the option for surface treatments that enhance corrosion resistance, further boosts their appeal. As industries continue to prioritize longevity and safety, the demand for steel riveted gratings is expected to remain strong, solidifying their position in the market.

Aluminum Riveted Gratings:

Aluminum riveted gratings have gained popularity due to their lightweight nature and resistance to corrosion, making them suitable for various applications, especially in coastal areas or environments where moisture is prevalent. The ease of installation and maintenance of aluminum gratings also contributes to their growing adoption in both commercial and residential sectors. Their aesthetic appeal makes them a favored choice for outdoor spaces, such as patios and walkways, where design considerations are paramount. As sustainability becomes increasingly important, the recyclability of aluminum further enhances its market viability and positions it as a favorable material choice.

Stainless Steel Riveted Gratings:

Stainless steel riveted gratings are valued for their high corrosion resistance and unique aesthetic qualities, making them particularly suitable for environments that require hygiene and sanitation, such as food processing plants and pharmaceutical facilities. The combination of strength and durability ensures that these gratings can withstand the rigors of daily use while maintaining structural integrity. The premium nature of stainless steel also allows for a longer lifespan, reducing overall lifecycle costs for end-users. As industries place greater emphasis on safety and cleanliness, the demand for stainless steel riveted gratings is anticipated to rise, contributing to their growth in the market.

Galvanized Riveted Gratings:

Galvanized riveted gratings are coated with a layer of zinc to prevent rusting and corrosion, making them ideal for applications in tough environments where exposure to moisture and chemicals is common. This protective coating enhances the longevity and durability of the gratings, ensuring they can withstand challenging conditions without degrading. Galvanized gratings are often used in industrial and commercial settings, offering an economical solution without compromising performance. As industries prioritize cost-effective and long-lasting materials, galvanized riveted gratings are likely to see sustained demand, reinforcing their importance in the overall market.

Fiberglass Riveted Gratings:

Fiberglass riveted gratings are increasingly recognized for their lightweight properties and resistance to corrosion, making them particularly suitable for applications in harsh chemical environments. These gratings do not conduct electricity, making them an excellent choice for electrical safety in industrial settings. The non-slip surface of fiberglass gratings enhances safety in wet or slippery conditions, which is critical in applications such as food processing or wastewater treatment. As the awareness and demand for eco-friendly materials grow, the popularity of fiberglass riveted gratings is expected to rise, presenting manufacturers with opportunities to innovate further.

By Region

The regional analysis of the riveted gratings market illustrates varying dynamics across different geographies, with North America and Europe leading in market share. In North America, the market is driven by stringent workplace safety regulations and the high demand for durable flooring solutions in industrial applications, with an expected growth rate of around 5.0% CAGR during the forecast period. The emphasis on infrastructure upgrades and maintenance in the region is anticipated to further bolster demand as industries strive to comply with safety standards and improve operational efficiency. Europe also contributes significantly, with increasing investments in construction and renovation projects across various sectors.

Meanwhile, the Asia Pacific region is projected to exhibit the highest growth rate in the riveted gratings market, fueled by rapid urbanization and industrialization in countries like China and India. The region’s CAGR is expected to be around 6.0%, driven by rising construction activities and the growing demand for robust flooring solutions in various industrial sectors. Latin America and the Middle East & Africa are also emerging as potential growth markets due to ongoing infrastructure projects and the increasing adoption of safety-compliant materials. As such, the global market dynamics reflect a diverse landscape where different regions present unique opportunities for growth and expansion.

Opportunities

The riveted gratings market is poised for numerous opportunities as industries evolve to meet the demands for safety, efficiency, and sustainability. As urbanization accelerates, there is a burgeoning requirement for durable flooring solutions in both commercial and residential spaces. This shift provides a significant opportunity for manufacturers to innovate and develop new materials that meet the changing landscape of construction and infrastructure. Additionally, the growing awareness around inclusive design, particularly the demand for ADA-compliant products, opens doors for companies to create specialized offerings that cater to diverse consumer needs. The expansion of e-commerce channels also presents opportunities for manufacturers to reach a broader audience, thus enhancing market penetration and consumer engagement.

Furthermore, advancements in technology, such as the use of eco-friendly materials and innovative manufacturing processes, allow companies to differentiate their products and gain a competitive edge. The increasing focus on sustainability and green building practices is further driving demand for materials like fiberglass and aluminum, which can offer environmental benefits alongside performance. Partnerships and collaborations between manufacturers and construction firms can also create synergies that lead to the development of tailored solutions for specific projects, which can enhance brand loyalty and customer retention. Overall, as the market landscape evolves, companies that embrace innovation and align their strategies with emerging trends will likely benefit from significant growth opportunities.

Threats

The riveted gratings market faces several threats that could hinder growth and limit profitability. One significant threat is the intense competition among manufacturers, which often leads to price wars that can adversely affect profit margins. Additionally, fluctuations in raw material prices, particularly for metals like steel and aluminum, can create unpredictability in production costs and pricing strategies. Manufacturers must also contend with the risk of supply chain disruptions, which can arise from geopolitical tensions, natural disasters, or global pandemics. Such disruptions can impact production timelines and inventory management, ultimately affecting customer satisfaction and loyalty.

Moreover, the market must navigate the challenges posed by evolving regulatory standards that can impose strict compliance requirements on manufacturers. As governments and organizations push for higher safety and environmental standards, companies may incur additional costs to meet these requirements, which can strain resources, especially for smaller firms. Additionally, the emergence of alternative flooring solutions, such as composite materials and advanced polymer products, poses a threat to the traditional riveted gratings market. These alternatives may offer enhanced performance characteristics and lower maintenance, attracting consumers away from traditional offerings. To remain competitive, manufacturers must continually innovate and adapt to these shifting market dynamics.

Competitor Outlook

• Grating Pacific Inc.
• Webforge
• McNICHOLS Company
• Strongwell Corporation
• Metals, Inc.
• Harsco Infrastructure
• Aluminum Grating Co., Inc.
• Ohio Gratings, Inc.
• W.S. Darley & Co.
• Riveted Gratings, LLC
• Amico Corporation
• Welded Grating Company
• Vale Industries Ltd.
• GSI, Inc.
• Grating Systems, Inc.

The competitive landscape of the riveted gratings market is characterized by a mix of established players and emerging companies striving to capture market share through innovation and enhanced customer engagement. The leading manufacturers are focusing on product development to meet the evolving demands of various industries, while also investing in advanced manufacturing processes to improve efficiency and reduce costs. Collaborations and partnerships with construction firms and other stakeholders are increasingly common, as companies seek to enhance their service offerings and better align with customer needs. The merger and acquisition activity within the sector also points towards a trend of consolidation, with larger firms acquiring smaller players to expand their product portfolios and market reach.

Grating Pacific Inc. stands out as a major player in the riveted gratings market, known for its extensive range of high-quality products and commitment to customer service. The company’s focus on innovation has led to the development of various specialized grating products, catering to diverse applications across multiple industries. Webforge is another key competitor, recognized for its wide distribution network and expertise in metal fabrication. The company emphasizes sustainability in its manufacturing processes, which resonates well with modern consumer preferences. Similarly, McNICHOLS Company is noted for its diverse product range and strong online presence, facilitating easy access to customers seeking customized solutions.

Strongwell Corporation, a leader in fiberglass products, has successfully carved a niche within the riveted gratings market by offering lightweight and corrosion-resistant solutions. The company prioritizes research and development to stay ahead of industry trends and meet customer demands effectively. Additionally, manufacturers like Ohio Gratings, Inc. and Harsco Infrastructure are leveraging their extensive experience to provide durable and reliable grating solutions across various sectors including industrial, commercial, and transportation. Their focus on compliance with safety standards and regulations further enhances their reputation in the marketplace, ensuring they remain competitive amidst the growing challenges and opportunities in the riveted gratings 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 Webforge
    • 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 GSI, 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 Metals, 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 Amico Corporation
    • 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 McNICHOLS Company
    • 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 W.S. Darley & Co.
    • 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 Ohio Gratings, Inc.
    • 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 Grating Pacific Inc.
    • 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 Vale Industries Ltd.
    • 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 Grating Systems, 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 Harsco Infrastructure
    • 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 Riveted Gratings, LLC
    • 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 Strongwell Corporation
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Welded Grating Company
    • 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 Aluminum Grating Co., 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 Riveted Gratings Market, By Application
    • 6.1.1 Industrial
    • 6.1.2 Commercial
    • 6.1.3 Residential
    • 6.1.4 Transportation
    • 6.1.5 Others
  • 6.2 Riveted Gratings Market, By Product Type
    • 6.2.1 Standard Riveted Gratings
    • 6.2.2 Heavy Duty Riveted Gratings
    • 6.2.3 ADA Compliant Riveted Gratings
    • 6.2.4 Close Mesh Riveted Gratings
    • 6.2.5 Swage Locked Riveted Gratings
  • 6.3 Riveted Gratings Market, By Material Type
    • 6.3.1 Steel Riveted Gratings
    • 6.3.2 Aluminum Riveted Gratings
    • 6.3.3 Stainless Steel Riveted Gratings
    • 6.3.4 Galvanized Riveted Gratings
    • 6.3.5 Fiberglass Riveted Gratings
  • 6.4 Riveted Gratings Market, By Distribution Channel
    • 6.4.1 Direct Sales
    • 6.4.2 Distributor 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 Riveted Gratings 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 Riveted Gratings market is categorized based on

By Product Type

• Standard Riveted Gratings
• Heavy Duty Riveted Gratings
• ADA Compliant Riveted Gratings
• Close Mesh Riveted Gratings
• Swage Locked Riveted Gratings

By Application

• Industrial
• Commercial
• Residential
• Transportation
• Others

By Distribution Channel

• Direct Sales
• Distributor Sales
• Online Retail

By Material Type

• Steel Riveted Gratings
• Aluminum Riveted Gratings
• Stainless Steel Riveted Gratings
• Galvanized Riveted Gratings
• Fiberglass Riveted Gratings

By Region

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

Key Players

• Grating Pacific Inc.
• Webforge
• McNICHOLS Company
• Strongwell Corporation
• Metals, Inc.
• Harsco Infrastructure
• Aluminum Grating Co., Inc.
• Ohio Gratings, Inc.
• W.S. Darley & Co.
• Riveted Gratings, LLC
• Amico Corporation
• Welded Grating Company
• Vale Industries Ltd.
• GSI, Inc.
• Grating Systems, Inc.