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

• Heating & Air Conditioning Sales & Service
• Heating & Air Conditioning Contractors
• Heating & Ventilating Contractors

North American Industry Classification System (NAICS) Categories:

• Plumbing, Heating, And Air-Conditioning Contractors > Ventilating Contractors
• Plumbing, Heating, And Air-Conditioning Contractors > Heating Contractors
• Plumbing, Heating, And Air-Conditioning Contractors > Boiler & Heating Equipment Repair > Heating & Air Conditioning Repair
• Household Appliance Stores > Air Conditioning & Heating Systems

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Ventilating Contractors
• Plumbing, Heating And Air Conditioning > Heating Contractors
• Household Appliance Stores > Air Conditioning & Heating Systems
• Repair Shops And Related Services, Nec > Boiler & Heating Equipment Repair > Heating & Air Conditioning Repair