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  • Commercial Door Systems Website
    (613) 389-5131
    639-A Justus Drive, Kingston, ON K7M 4H5

    Established in 1956, Commercial Door Systems Ltd. is Kingston's sole authorized distributor for Overhead Door products, offering a wide range of garage doors and openers for residential, commercial, and industrial clients. The family-owned business emphasizes quality and architectural compatibility…

  • Qubit Systems Inc. Website
    613.384.1977
    1573 John Counter Blvd, Kingston, ON K7M 3L5

    Qubit Systems designs, manufactures, and sells scientific instrumentation for biological research and education. Their products include gas analyzers, environmental sensors, and respirometry systems for animal, plant, algae, and human studies. They serve researchers, teachers, and industry worldwid…