This U.S. industry comprises establishments primarily engaged in (1) selling security alarm systems, such as burglar and fire alarms, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems. Establishments primarily engaged in--

Including:

• Alarm system monitoring services
• Alarm systems sales combined with installation, repair, or monitoring services
• Burglar alarm monitoring services
• Burglar alarm sales combined with installation, repair, or monitoring services
• Fire alarm monitoring services
• Fire alarm sales combined with installation, repair, or monitoring services
• Security alarm systems sales combined with installation, repair, or monitoring services
• Security system monitoring services