- 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.