With almost 40 years of experience, we have a vast amount of knowledge and experience.

Since 1987, John R. Hamalainen Engineering Ltd. has been providing reliable Mechanical & Electrical Engineering Services, delivering over 2,500 successful projects across Northern, Central and South-Western Ontario.

Our unwavering commitment to excellence is the cornerstone of our success. We ensure every project is executed with precision, quality, and integrity. Our team prides itself on a high standard of performance, a track record that is constantly measured and monitored through peer reviews, internal meetings, and collaborative efforts. 

At John R. Hamalainen Engineering Ltd.

We foster a culture of lifelong learning and curiosity. Every team member plays a role in making John R. Hamalainen Engineering Ltd. a dynamic and collaborative workplace.

OUR 7 Predominant Values

JRHE maintains a high standard of performance through peer review, client feedback, and internal monitoring.

The firm emphasizes a TEAM approach (Together-Everybody-Achieves-More) and values collaboration with stakeholders.

Regular meetings, clear understanding of Owner’s Project Requirements, and open communication are central to their workflow.

JRHE anticipates challenges early and takes action to prevent issues before they arise.

The firm integrates energy-efficient designs, carbon reduction strategies, and stays up-to-date with technological advancements.

Focused on exceeding client expectations, providing life-cycle cost analysis, and ensuring alignment with project goals.

Transparent about scope changes, committed to deadlines, and led by an actively involved CEO available around the clock.

Team & Leadership


Led by CEO John Hamalainen, John R. Hamalainen Engineering Ltd. stands as an experienced, client-focused firm. From our humble beginnings as a one-person firm, we’ve grown into a team of 10+ professionals with 39 years of experience.

​Our team includes senior engineers with over 30 years of experience, alongside engineers-in-training, technologists, consultants and administrators.

John R. Hamalainen Engineering Ltd. is also providing opportunities for the future workforce by offering co-op students a place to develop various skills.​