Highmark

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

• Building & Property Maintenance
• Building Construction General

North American Industry Classification System (NAICS) Categories:

• Commercial And Institutional Building Construction
• Other Services To Buildings And Dwellings

Standard Industry Classification (SIC) Categories:

• General Contractors - Nonresidential Buildings, Other Than Industrial Buildings And Warehouses
• Building Cleaning & Maintenance Services, Nec