Welcome to D-JAX

Headquartered in Midland, Texas, D-JAX Corporation has been in business, under the same  ownership since 1972. The company engineers, manufactures and markets the Penny Pincher Pump Off Control and the EZ Draw Dynamometer. Our mission - to provide effective, economical control and analysis tools that are affordable and reliable.

 Penny Pincher Plus

Ez Draw Dynamometer

Field Services

Pump Off Controls

Fluid Level & Dynamometer Services.


The D-Jax pump off control detection algorithm eliminates the need for load cells or strain gauges which results in greater simplicity.



Universal Application

The D-Jax "time based" method of pump off detection allows for a wide range of applications.   If a well is controllable, the Penny Pincher can control it!

The Penny Pincher has one of the lowest acquisition costs of all the pump off controls available. Studies have shown that Penny Pincher pump off controls are extremely reliable resulting in much lower maintenance costs.