Superior Signals is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Safety Equipment & Clothing
• Truck Equipment & Parts & Accessories

North American Industry Classification System (NAICS) Categories:

• Automotive Parts And Accessories Stores > Truck Equipment & Parts
• Other Clothing Stores > Uniforms, Work & Safety Clothing > Safety Clothing
• All Other Miscellaneous Store Retailers (Except Tobacco Stores) > Alarm & Safety Equipment > Safety Equipment & Supplies

Standard Industry Classification (SIC) Categories:

• Auto & Home Supply Stores > Truck Equipment & Parts
• Miscellaneous Apparel And Accessory Stores > Uniforms, Work & Safety Clothing > Safety Clothing
• Miscellaneous Retail Stores, Nec > Alarm & Safety Equipment > Safety Equipment & Supplies