Direct Current

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

• Communication Equipment & Supplies
• Radio Communication Equipment & Systems
• Security Control Equipment & Systems & Monitoring
• Telecommunications Consultants
• Telephones Cellular Dealers

North American Industry Classification System (NAICS) Categories:

• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Alarms, Signaling & Security Equipment > Security Control Equipment
• Other Electronic Parts And Equipment Merchant Wholesalers > Communication Equipment
• Radio, Television, And Other Electronics Stores > Audio Equipment > Radio Communication Equipment & Systems
• Radio, Television, And Other Electronics Stores > Telephone & Communication Equipment > Cellular & Mobile Telephone Equipment & Supplies
• Other Scientific And Technical Consulting Services > Communications Consultants > Telecommunications Consultants
• Security Systems Services (Except Locksmiths) > Anti-Theft Alarm Systems Services > Bank Protective Equipment

Standard Industry Classification (SIC) Categories:

• Electrical Apparatus & Equipment > Alarms, Signaling & Security Equipment > Security Control Equipment
• Electronic Parts & Equipment > Communication Equipment
• Radio, Television, And Consumer Electronics Stores > Audio Equipment > Radio Communication Equipment & Systems
• Miscellaneous Retail Stores, Nec > Telephone & Communication Equipment > Cellular & Mobile Telephone Equipment & Supplies
• Security Systems Services > Anti-Theft Alarm Systems Services > Bank Protective Equipment
• Business Consulting Services, Nec > Communications Consultants > Telecommunications Consultants