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  • Guildline Instruments Limited Website Contacts
    (613) 283-3000
    21 Gilroy St, Smiths Falls, ON K7A 5B7

    Guildline Instruments Limited, founded in 1957, is a Canadian manufacturer of ultra-precise electrical metrology instruments serving national research laboratories, calibration labs, militaries, nuclear power plants, aerospace, and the electrical industry. With over 60 years of engineering and manu…

  • Denoco Energy Systems Ltd. Website
    (613) 283-0574
    2 Victoria Avenue, Smiths Falls, ON K7A 2P1

    Denoco Energy Systems, a second-generation family-owned business based in Smiths Falls, ON, specializes in HVAC, plumbing, and home energy solutions tailored for Eastern Ontario's harsh winters. With over 45 years of experience, they emphasize honest diagnostics, proper system sizing, and transpare…