Dopko Plumbing – Mechanical Services Inc., Is A Plumbing & Mechanical Contractor. Servicing Areas In The Kitchener, Waterloo, Cambridge, Guelph And Surrounding Areas. Our company is committed to provide excellent customer service. We also provide safe, cost-effective, quality solutions. We are dedicated in providing high quality workmanship, honesty, and reliability. “Customer Satisfaction is our Goal!” more... See more text