William N Harris Inc is listed under the Air Conditioning Contractors category (which is under the following categories: Other Consumer Products & Services -> Plumbing, Heating, and Air Conditioning).
They are listed as being a B2B (business to business) company.
William N Harris Inc was founded in 1942.
They are located at 479 Douglas Avenue in Providence, Rhode Island.
Mobile and regular directions can be viewed below as well as their phone number, ratings, website (when listed).
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