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

• Data Communications Systems Cabling
• Water Well & Well Pump Installation, Service & Repair
• Data Networking

North American Industry Classification System (NAICS) Categories:

• Electrical Contractors > Electronic & Communications Contractors > Data Communications Systems Cabling
• Plumbing, Heating, And Air-Conditioning Contractors > Water Well & Pump Contractors
• Computer Systems Design Services > Computer Networking Systems > Data Networking
• Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance > Industrial & Heavy Equipment Repair > Water Well & Well Pump Repair

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Water Well & Pump Contractors
• Electrical Work > Electronic & Communications Contractors > Data Communications Systems Cabling
• Computer Integrated Systems Design > Computer Integrated Systems Design, Nec > Computer Applications Networking Systems
• Repair Shops And Related Services, Nec > Industrial & Heavy Equipment Repair > Water Well & Well Pump Repair