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    So far callidus has created 39 blog entries.

    January 23rd, 2026

    Welcoming Dunya and Amie to the Team

    We are pleased to welcome two new team members who have already become valued contributors to our work. Dunya Yilmaz, EIT, joined the Kingston office in November 2025 as a Project Manager. With a[…]

    • Group of award recipients posing indoors with framed certificates at the Frontenac Heritage Conservation Awards.

    November 28th, 2025

    The 2025 Frontenac Heritage Conservation Awards

    We had a great evening at the Frontenac Heritage Conservation Awards this month, where Callidus Engineering received a Certificate of Appreciation for our mechanical work on Faculty 47 and our own Derek[…]

    • Grant Hall stands smiling in a Callidus Engineering polo shirt beside a life-sized cutout of himself on an office door, which has a speech bubble reading, “Well, what do you think the problem is?” Red balloons and streamers are visible in the background, marking his 40-year anniversary celebration.

    October 3rd, 2025

    Grant Hall’s 40th Industry Anniversary

    On Tuesday September 30th, in our London office, balloons filled the halls, photos of Grant Hall’s face covered walls and desks, and a life-size cut-out of him greeted visitors at his office door. It was all part of a[…]

    • Four Callidus Engineering team members stand together smiling in an office setting. The group includes two women and two men in professional attire, with glass walls, plants, and a digital display visible in the background.

    September 12th, 2025

    Integrated Systems Testing in Ontario

    Callidus Engineering provides ULC S1001 Integrated Systems Testing services in Ontario, ensuring your project achieves building system functionality and code compliance without delays. [...]

    • A collage featuring three images representing municipal projects: a modern emergency services building, an empty auditorium with red seating, and an electric vehicle charging station. The text “Municipal Projects” appears at the bottom.

    August 10th, 2025

    Municipal Engineering Expertise

    Municipalities across Ontario face a constant challenge: keeping essential public facilities reliable, efficient, and safe while working within strict budgets and long-term [...]

    • Callidus Engineering Kitchener-Waterloo Branch Manager Zam Abdulla, P.Eng.

    June 12th, 2025

    Your Kitchener-Waterloo Engineering Team

    Branch Manager and Principal Zam Abdulla, P.Eng. brings nearly two decades of electrical engineering & project management experience to projects throughout [...]

    • Man in a light gray blazer adjusts a black sandwich board sign decorated with red, white, and black balloons outside a brick building, promoting a 20th-anniversary open house.

    May 26th, 2025

    Kingston Open House

    Our Kingston open house wrapped up this year’s 20th anniversary open house celebrations, bringing clients, partners, and our team together at our Woolen Mill office. With a beautiful view of [continue reading]

    • Table with Callidus Engineering banners, flower arrangement, and rows of 20th anniversary mugs.

    May 12th, 2025

    Kitchener-Waterloo Open House

    Our Kitchener-Waterloo open house brought our 20th anniversary celebrations to Catalyst Commons, where clients, partners, and our team gathered for an evening of conversation, local food and drink, and plenty [continue reading]

    • Sidewalk A-frame sign outside Callidus Engineering’s London office announcing a 20th-anniversary open house (4 pm–7 pm) and reminding guests to pick up a name tag.

    April 5th, 2025

    London Open House

    Our inaugural open house in London this April was a highlight of our 20th anniversary year celebrations, bringing together clients, partners, and our team for an afternoon of great conversation, [continue reading]

    • Rectangular cake celebrating Callidus Engineering’s 20th anniversary, with the company logo printed on white icing and red, white, and grey rosette frosting around the edges.

    January 6th, 2025

    Callidus Engineering Turns 20

    2025 is a year of celebration for us at Callidus Engineering—our 20th anniversary! From 2005 to 2025, we’ve experienced two decades of engineering excellence, countless projects brought to life, and [continue reading]

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    Callidus Engineering
    Callidus Engineering

    Callidus Engineering recently attended and sponsored the 2026 Kingston Climate Summit at St. Lawrence College, joining people and organizations from across Kingston and the surrounding region for two days focused on climate action, resilience, and practical sustainability.Presented by ICLEI Canada, the City of Kingston, and Sustainable Kingston, this year’s summit centred on the theme “Shaping Our Future Together.” The event brought people together for panel discussions, workshops, hands-on learning, and conversations about the work already underway to reduce emissions and build a more sustainable future for Kingston.Representing our team were Derek Reid, Principal in our Kingston office, and Sofia Lancheros, Mechanical Designer and member of our energy modelling team. Their attendance connected naturally with the work Callidus does every day, helping clients make practical, technically grounded decisions around building performance, energy use, and long-term sustainability.That work is already happening here in Kingston. Callidus recently supported the City of Kingston’s Net Zero Energy strategy through energy audit work across nine municipally owned buildings, helping assess opportunities for long-term sustainability, energy efficiency, and greenhouse gas reduction.#EngineeringExcellence #YGK #SustainableDesign ...

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    Callidus Engineering
    Callidus Engineering

    After visiting Sioux Lookout last month, our own Luke Reist was back on the road last week, this time in Estevan, Saskatchewan, where Callidus Engineering has been working with SDI Canada on the modular MRI suite addition at St. Joseph’s Hospital.Projects like this involve a lot more than setting a modular unit in place. Our team’s mechanical and electrical scope has included site-related design, modular building coordination, internal renovation work, chiller coordination, and the tie-ins required to connect to the existing hospital infrastructure; plumbing, medical gas, fire alarm & sprinklers, power distribution, communications, nurse call, and access/security.Check out the latest photos from last week as the construction coordination continues to come together. The modular building is in place, the chiller has been started up, and the interior renovation work is moving toward a completed diagnostic imaging space.Thank you to Luke for representing our team on site, and to SDI Canada for continuing to bring us into projects that help expand health care access in the communities that need it.#EngineeringExcellence #HealthcareEngineering #CanadaConstruction ...

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    Callidus Engineering
    Callidus Engineering

    Construction is continuing on the new Lambton College Residence in Sarnia, where our team was back on site again last week, getting a look at the mechanical and electrical systems as they’re coming together. The building is taking shape now!Once complete, this five-storey residence will add 300 student beds and create new spaces that support day-to-day campus life, including study areas, lounges, fitness space, a café, and outdoor amenities. For students, that means more opportunity to live closer to where they learn. For the broader campus community, it means another step toward a more complete and connected student experience.Student housing is about more than adding beds. It helps shape how students move through campus, build routines, access support, and feel connected to the place where they are studying#EngineeringExcellence #StudentHousing #Sarnia ...

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    Callidus Engineering
    Callidus Engineering

    Our London team took some time away from the office late last month for an afternoon of bowling at London’s famous Fleetway Bowling (An amazing place that we’ve had the honour of doing some work on!).There was plenty of friendly competition on Lane 17, with Peter putting up the top overall score across three games and Sean close behind with a strong showing of his own. Owen and Russ kept the pressure on, but the final scoreboard suggests a rematch may already be in order.Outside of the scores, it was a good chance for the team to spend time together away from the office, trade a few laughs, and enjoy a well-earned break from project work. The team that plays together wins together!#EngineeringExcellence #TeamBuilding #FriendlyCompetition ...

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    Our London location1385 N. ROUTLEDGE PARK UNIT 9 LONDON, ON N6H 5N5 519-472-7640

    info@callidus.ca

    Our KINGSTON location4 CATARAQUI ST. UNIT 100 KINGSTON, ON K7M 1Z6

    613-900-0845

    Our KITCHENER location210-137 GLASGOW ST. KITCHENER, ON N2G 4X8

    519-340-1885