About Us

The engineers and machinists at Mechanical Design Corporation have been designing and manufacturing pipe testing and plugging solutions for over twenty five years.

With over forty years field experience in the pipeline industry, we have installed, tested and have been troubleshooting piping systems throughout all industries. Our first hand knowledge in the construction fields of energy, water and wastewater, hydroelectric, and underseas can assure you that our products will perform as expected.
Using our extensive knowledge and experience you can be assured that we will quickly understand your project and advise and deliver the optimal pipe testing or plugging solution.


  • Understand your application
  • Respond quickly with solutions
  • Design, manufacture and deliver