D Gillis Ventilation & A C

D Gillis Ventilation & A C is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Air Conditioning Contractors
• Sheet Metal Contractors
• Ventilating Consultants

North American Industry Classification System (NAICS) Categories:

• Plumbing, Heating, And Air-Conditioning Contractors > Ventilating Contractors > Ventilating Consultants
• Plumbing, Heating, And Air-Conditioning Contractors > Air Conditioning Contractors
• Other Building Finishing Contractors > Sheet Metal & Duct Work > Sheet Metal Contractors

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Ventilating Contractors > Ventilating Consultants
• Plumbing, Heating And Air Conditioning > Air Conditioning Contractors
• Roofing, Siding, And Sheet Metal Work > Sheet Metal & Duct Work > Sheet Metal Contractors