Guardian Interlock

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

• Alternators, Generators & Starters Automotive Repair
• Ignition Interlock Devices

North American Industry Classification System (NAICS) Categories:

• Other Motor Vehicle Electrical And Electronic Equipment Manufacturing > Ignition Apparatus > Ignition Interlock Devices
• Other Automotive Mechanical And Electrical Repair And Maintenance > Auto Electrical Repair > Alternator Generator & Starter Repair & Rebuild

Standard Industry Classification (SIC) Categories:

• Electrical Equipment For Internal Combustion Engines > Ignition Apparatus > Ignition Interlock Devices
• Automotive Repair Shops, Nec > Auto Electrical Repair > Alternator Generator & Starter Repair & Rebuild