• Design & Engineering
  • R&D
  • API Pressure Testing
  • Valve Rebuilding & Repair
  • Powder Coating
  • Laser Etching
  • Tag Replacment

Machining Services

    • Don Mashburn Inc. employs a Coordinate Measuring Machinist for precise measurement of manufactured parts.

Screen Division

    • KEEP THE TRASH OUT! With Time, money, and competition, pressures of the oil and gas industry, non-productive trips must be prevented. Mashburn Down Hole Filter is the industry leader in preventing non productive trips by plugging. All MWD/LWD sizes are available. Custom application gladly accepted.

Valve Shop

    • CONTROL THE PRESSURE & EASE YOUR MIND. Don Mashburn Inc. produces Drill String Valves that ensure a clean & safe operation where drilling can run at peak efficiency.