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Arjay Engineering is proud to be an industry-leading designer and manufacturer of top-quality process and environmental control systems and oil-in-water analyzers. With over 40 years of manufacturing and engineering experience, we have extensive knowledge in the world of oil in water, capacitance, level controls and gas detection. In addition to our manufactured products, we also provide custom design and engineering services.

As specialists in the industry, we’ve uniquely designed our products with advanced technology to help industries work better in environmentally sensitive areas. Our goal at Arjay Engineering is to help you and your business achieve a consistent production level in the safest way possible. That’s why we’ve manufactured our products with the best materials in the industry. We also maintain several industry certifications including Hazardous Location Approval and Certifications from CSA, UL, ATEX, IECEX, ABS, and IMO. For ultimate versatility, all of our process and environmental control systems and hydrocarbon analysers can be used in a wide range of applications.

If you’re interested in a custom project or simply want more detailed information on our products, feel free to contact us directly at 905-829-2418. We look forward to helping you find the perfect solution that suits your needs!



We have recently received ATEX, IECEx, and various other certifications for international markets. Ask us for more details.

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We are excited to attend many tradeshows through out the year. Click here to see our upcoming shows.

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