Horizon Telcom Inc. is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Burglar Alarm Systems & Monitoring Services
• Cable Television Companies & Services
• Fire Alarm Systems
• Security Control Equipment & Systems & Monitoring
• Internet - Broadband

North American Industry Classification System (NAICS) Categories:

• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Alarms, Signaling & Security Equipment > Burglar Alarm Systems
• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Alarms, Signaling & Security Equipment > Fire Protection Equipment & Supplies Household
• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Alarms, Signaling & Security Equipment > Security Control Equipment
• Cable And Other Subscription Programming
• Wired Telecommunications Carriers > Internet Service Providers > Internet - Broadband
• Security Systems Services (Except Locksmiths) > Anti-Theft Alarm Systems Services > Bank Protective Equipment

Standard Industry Classification (SIC) Categories:

• Cable & Other Pay Tv Services
• Electrical Apparatus & Equipment > Alarms, Signaling & Security Equipment > Burglar Alarm Systems
• Electrical Apparatus & Equipment > Alarms, Signaling & Security Equipment > Fire Protection Equipment & Supplies Household
• Electrical Apparatus & Equipment > Alarms, Signaling & Security Equipment > Security Control Equipment
• Information Retrieval Services > Internet Services > Internet - Broadband
• Security Systems Services > Anti-Theft Alarm Systems Services > Bank Protective Equipment