Lennox

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

• Heating & Air Conditioning Contractors
• Laboratories Research & Development

North American Industry Classification System (NAICS) Categories:

• Plumbing, Heating, And Air-Conditioning Contractors > Heating Contractors
• Research And Development In The Physical, Engineering, And Life Sciences > Commercial Physical Research > Laboratories Research & Development

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Heating Contractors
• Commercial Physical & Biological Research > Laboratories Research & Development