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Arjay Engineering, company


Arjay Engineering has been designing and manufacturing process and environmental controls for over 30 years.

Our main facility is located near Toronto. Support facilities are located in Vancouver and Beijing. Arjay is also supported by a network of product representatives throughout North America and in various regions of the world.

In addition to our manufactured products, Arjay is able to provide custom design and engineering services and control panel assembly.

We invite your application inquiry. Our core technologies and design flexibility may extend beyond the products listed. The opportunity to address your application ideas with our designs is welcomed.

If your interest includes a joint venture, re-sale, or representative opportunity, please contact us directly.

Click here for our Corporate Profile [PDF]

Arjay manufactures under the following trade names:

  • Arjay
  • Level-Ease Monitors and Controls
  • Hydrosense

The Arjay line of Gas Detection Products:

For our ambient air gas detection products visit

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