Contact Us

ONYX Engineering services clients across North America. We look forward to speaking with you about your process and modernization needs.   

*For career opportunities and inquiries, please visit our Careers page

*To request a quote, please visit our Request a Quote page

Windsor Head Office

  • 519-948-4324
    • Sales: ext 215 
    • Shipping: ext 214
    • Panel Shop: ext 212
    • Accounting: ext 263
  •  2960 Jefferson Blvd, Windsor, ON, N8T 3J2 
  • Email: