Arjay Engineering has been designing and manufacturing process and environmental controls for over 20 years. Our main facilities are located in Oakville (Toronto), Canada. Support facilities are also located in Vancouver, Canada and Beijing, China. Arjay is also supported by a network of product representatives throughout North America and in various regions of the world.

Company details

2851 Brighton Road , Oakville , Ontario L6H 6C9 Canada

Locations Served

Our Distributors

Business Type:
Industry Type:
Monitoring and Testing - Water Monitoring and Testing
Market Focus:
Globally (various continents)
Year Founded:
1,000,000 - 10,000,000 €


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.

Arjay manufactures under the following trade names:

  • Arjay
  • Level-Ease Monitors and Controls
  • Hydrosense

Please visit us at our upcoming trade shows & conferences. For the latest shows & dates please click HERE

Arjay Engineering can assist with your custom product design or unique application requirements.

From schematic design and prototyping, packaging and production, Arjay Engineering will work with you along the way. Our UL 508 and IECEx QAR shop is certified and approved to ISO 9001:2008.

Arjay Engineering’s staff are fully qualified, and has an in-house research and development department.

We are currently in the process of creating some case studies together for the projects that we’ve created custom products for. There are many incredible uses for an Arjay Capacitance, or Fluorescence monitor!

Unsure if our products will work with your application? Contact us to find out more!