Extreme Locates
“Great company, great feedback, Guy MacIsaac is an excellent and very pleasant specialist to communicate with.”
Best Civil, Structural and Environmental Engineers in Mississauga, ON
24 companies listed · all 24 in Mississauga · 3 open 24/7 · 5 open weekends · 20 rated 4.5+
Data verified October 21, 2026
Structural Engineer P.eng
“Fadhil is very professional and gives full details of his inspection in a simplified manner and the same time he gives good advise”
Meadowbrook Construction
“If you are looking for a single source solution for your construction & project management needs, look no further, these are the contractors that you are looking for.”
Alcona Engineering
“They did the permit drawings for my barbershop ( Jems Barbershop) , their service professional and I recommended them”
Roar Engineering
“ROAR Engineering is fast to respond, professional, courteous and always willing to go the extra mile if needed.”
Larcon Structural
“I would highly recommend this team if you're looking for structural modifications to your residential home”
Listed for property owners in and around Mississauga, ON, these 24 companies do engineering work for properties. Listings show the disciplines each firm names on its own website, from structural to municipal site work and environmental assessment, with ratings and quotes from public reviews.
Area overview: Mississauga, ON
All 24 companies we list here are in Mississauga itself. We have 81 companies in Mississauga on file; this page shows the highest-rated 24. The companies on this page are rated from 4.0 to 5.0 across 253 reviews; 20 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (74%) and responsiveness (72%). 3 are open around the clock; 5 are open on Saturdays and 4 on Sundays. The services the companies on this page list most often on their websites are build (2), building permits (2), design (2), maintain (2) and project management (2). Domain records put 14 websites of the companies on this page at ten or more years old; the oldest dates from 1996. 3 offer emergency call-outs; 1 offers financing or payment plans; 2 give free estimates and 1 is family- or locally-owned. We have a website on file for all 24 of the companies on this page; 21 publish a contact page and 23 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
How do I tell which firm suits a house?
Websites are listed for all 24 firms on this page. Look at project types. A practice geared to municipal infrastructure or industrial plants may not want a beam job, while a small residential structural firm will turn it round faster and cheaper. Say the scope plainly on the first call.
Engtec Consulting Inc
Spline Group
“We have been working with them on several projects and they have always been very responsive and eager to find solutions that accommodate the client's needs and the budget.”
Gaspar Design Group
“He provided us with a step-by-step overview of the process and took the time to explain when we didn't understand something.”
IRC Building Sciences Group
“Great team to work with, a little pricy but its all worth it in the end.”
Hlv2k Engineering Limited
CCM Engineering Inc.
“His work is at high quality standard and he finishes his contract ahead of schedule.”
Apex Engineering Services
Thermaco Engineering Services (1986) Limited
“If you are looking for a trust worthy, professional roofing engineering firm I strongly recommend you look at Thermaco Engineering as you will not be disappointed.”
DVM Group Inc.
“We had great experience with DVM and we are satisfied with the work.”
Axilz Inc.
“Their expertise was evident in every step—from the foundation design and the steel structure that supports the freezer panels to the racking analysis.”
Lycopodium Minerals Canada
CRB
Nortek
“We had a repairman come in the day after we called and the issue was resolved promptly.”
Monir Precision Monitoring Inc.
“Easy to give MONIR a 5-star review for their excellent service: reliable, flexible, knowledgeable, friendly service and their honest pricing.”
RDQ Engineering Inc.
“Top quality and highest value professional Engineering services.”
Cemcorp Ltd.
“He took his time with teaching very hands on and his energy is amazing!!!!!”
Platek Services Inc
Fugro
Why these companies made our list
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