Guardian Interlock

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

• Ignition Interlock Devices
• Security Control Equipment & Systems & Monitoring
• Security Service & Systems

North American Industry Classification System (NAICS) Categories:

• Other Motor Vehicle Electrical And Electronic Equipment Manufacturing > Ignition Apparatus > Ignition Interlock Devices
• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Alarms, Signaling & Security Equipment > Security Control Equipment
• Security Systems Services (Except Locksmiths) > Anti-Theft Alarm Systems Services > Bank Protective Equipment

Standard Industry Classification (SIC) Categories:

• Electrical Equipment For Internal Combustion Engines > Ignition Apparatus > Ignition Interlock Devices
• Electrical Apparatus & Equipment > Alarms, Signaling & Security Equipment > Security Control Equipment
• Security Systems Services > Anti-Theft Alarm Systems Services > Bank Protective Equipment