Proto Group the LLC is listed under the Nonclassified Establishments category (which is under the following categories: Nonclassifiable establishments -> Nonclassifiable establishments).
They serve both B2B (business to business) and B2C (business to consumer) needs.
Proto Group the LLC was founded in 2000.
They are located at 110 Washington Avenue in North Haven, Connecticut.
Mobile and regular directions can be viewed below as well as their phone number, ratings, website (when listed).
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