Preferred Maintenance

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

• Electric Contractors
• Lighting Equipment Emergency
• Pavement & Parking Area Maintenance & Marking
• Trenching Contractors

North American Industry Classification System (NAICS) Categories:

• Electrical Contractors
• Site Preparation Contractors > Land Preparation Construction > Trenching Contractors
• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Electrical Control Systems & Materials > Lighting Equipment Emergency
• Other Services To Buildings And Dwellings > Building Maintenance, By Specialty > Pavement & Parking Area Maintenance & Marking

Standard Industry Classification (SIC) Categories:

• Heavy Construction, Nec > Land Preparation Construction > Trenching Contractors
• Electrical Work
• Electrical Apparatus & Equipment > Electrical Control Systems & Materials > Lighting Equipment Emergency
• Building Cleaning & Maintenance Services, Nec > Building Maintenance, By Specialty > Pavement & Parking Area Maintenance & Marking