MCEE is a trade fair for the building mechanics, electricity and lighting industries. The products on display are from all the specialties of the field, including: plumbing, heating, hydronic systems, ventilation, air conditioning, refrigeration, fire protection, pipes, valves and fittings, kitchen and bathroom, electricity, lighting, alarms, systems , tools and equipment and software. The exhibitors come from Canada and the United States and are manufacturers, wholesalers and distributors of building mechanics, electricity and lighting products. Visitors are from the sales, design, consulting and installation sectors. They include contractors, clients, engineers, architects, designers.