About Us

I am Mario M. Contreras, the President & Owner of TRUE NORTH DRAFTING & DESIGN, LLC, a company based out of Knoxville, TN. My background specializes in Electrical/Instrumentation & Controls Drafting & Design. I have over 25 years of experience, and would like to put this to work for you.
TRUE NORTH DRAFTING & DESIGN, LLC can help if you or your company is behind on a project, could use an extra E/I/C Drafter and/or Designer, and are a new company yourself in need of a Sr. E/I/C Drafter-Designer.


Electrical Drafting & Design for Residential & Commercial

Electrical/Instrumentation/Controls Drafting & Design for:

  1. Industrial Projects
  2. Water & Wastewater Projects
  3. Oil & Gas Projects
  4. Control Panels (UL508A)
  5. Original Equipment Manufacturers (OEM)
  6. Programmable Logic Controllers (PLC)
  7. Instrument Loop Diagrams
  8. As-Build Drawings
  9. Record Drawings
  10. Custom Projects

I am familiar with the latest National Electrical Codes as well as UL and ISA Standards. I am also familiar with European Standards such as IEC, & ATEX. I use AutoCAD 2013 as my main software.

Please feel free to contact me!

I look forward to working With You!