De Man Construction
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De Man Construction
Located in the City of Mississauga at 776 Dundas Street East, DeMan Construction Corp is a design-build and General Contracting company that serves clients throughout Southern Ontario GTA. With over 60 years of experience, DeMan Construction has completed projects for many businesses.

Our work is showcased across Mississauga in industrial manufacturing facilities, food production and processing plants, medical and veterinary clinics, retail centers, corporate offices, and transportation facilities.Today, DeMan Construction remains the top construction company in Mississauga and the Greater Toronto Area.
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DeMan Construction has been a family-centric business, right from the very beginning. Brothers Bas and Lee DeMan began working in their father's construction business in Holland during the 1940s. They came to Canada in 1953 with dreams of starting their own construction empire. In 1955, Bas and Lee DeMan established the Mississauga-based contracting business and called it DeMan Construction.
As a specialist in designing and building food processing plants and cold storage facilities, DeMan Construction has the critical knowledge and understanding required for thermal design, efficient flow and constructibility the industry demands.

By using proper materials, and working from a design that is properly aligned with your needs, we can create a facility that operates efficiently, with low maintenance costs, and no down time or lost productivity.Freezer floors are an essential part of the technology and DeMan is considered the region's foremost experts in melding in the perfect freezer-cooler floors.
This project consisted of the design-build construction of an autoport depot at the CN Rail's McMillan yard.

The work completed included the design of structures, erection of the pre-engineered building and an office building/autoport complete with necessary electrical, plumbing, HVAC, partitions, roofing, fixtures and finishes, erection of a guardhouse and security gate, construction of full sized tractor trailer scales, approach ramps, scale house and traffic lights complete, and construction of necessary concrete pads, ramps, curbs and sidewalks.
DeMan Construction is well versed in building and or contracting or retrofitting large industrial food processing plants. We focus first on the specific construction processes you need in place to manufacture your product, and then seek to analyze every aspect of your company with our DeMan Design-Architectural Services Group.
In today's world, keeping up with changes in industry standards, you are challenged with keeping your loading dock design current and up-to-date. DeMan Construction knows Transportation companies who rely on having an existing system in place going forward, will need to find more cost-effective and versatile dock solutions that work with current equipment to maximize the return of the original investment.
Reviews (3)
Vinay Saini
Vinay Saini
Oct 02, 2020
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Had an awesome experience with this company. They helped us build our dream daycare in Mississauga. We told them what we wanted, they put them in drawing and then built. The owner Peter is an awesome person to deal with. Would recommend this company to everyone....
Camp Canine
Camp Canine
Nov 12, 2019
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Peter Deman and his team are experienced, honest, caring, and highly competent commercial contractors. The project they completed for me was the first time any contractor met my exacting standards - on time and in budget - that never happened before in 15 projects i have done with other companies. Importantly Peter provided invaluable council on design. I will now only use Deman construction regardless of how long I need to wait for them to be available.
David De Man
David De Man
Sep 15, 2011
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We are your construction destination, for all aspects of construction needs from excavation to trim they do it all, no muss no fuss!