Atx

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

• Information Search & Retrieval Service
• Information Technology Services

North American Industry Classification System (NAICS) Categories:

• Data Processing, Hosting, And Related Services > Information Technology Services
• Computer Systems Design Services > Information Management

Standard Industry Classification (SIC) Categories:

• Computer Processing & Data Preparation & Processing Services > Information Technology Services
• Information Retrieval Services