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

• Security Systems & Consultants
• Utility Contractors
• Professional Services

North American Industry Classification System (NAICS) Categories:

• Power And Communication Line And Related Structures Construction
• Other Scientific And Technical Consulting Services > Consultants Security & Safety
• All Other Business Support Services > Professional Services

Standard Industry Classification (SIC) Categories:

• Constructing Water, Sewer, Power, & Communication Lines And Pipelines > Utility Contractors
• Business Consulting Services, Nec > Consultants Security & Safety
• Business Consulting Services, Nec > Professional Services