One Call Concepts

One Call Concepts is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Computers Software Systems & Services
• Telemarketing Research & Selling Services
• Utility Contractors

North American Industry Classification System (NAICS) Categories:

• Power And Communication Line And Related Structures Construction
• Computer And Software Stores > Computer Software
• Telemarketing Bureaus > Telephone Answering & Messenger Services > Telemarketing Services
• Computer And Office Machine Repair And Maintenance > Computer Hardware & Software Repair > Computer Software Service

Standard Industry Classification (SIC) Categories:

• Constructing Water, Sewer, Power, & Communication Lines And Pipelines > Utility Contractors
• Computer And Computer Software Stores > Computer Software
• Computer Maintenance And Repair > Computer Hardware & Software Repair > Computer Software Service
• Business Services, Nec > Telemarketing Services