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Atlas Copco Mafi-Trench Company LLC

Custom engineered hydrocarbon turboexpanders and expander generators.

AC MTC expander
Atlas Copco Mafi-Trench Company LLC has produced custom engineered hydrocarbon turboexpanders and expander generators since 1975.

Located in Santa Maria, California, Mafi-Trench is part of the Atlas Copco Gas and Process division. The company is a world leading manufacturer of custom engineered hydrocarbon radial expansion turbines, or "turboexpanders." for process and power recovery applications. Industries served include natural gas processing, petrochemical, hydrogen purification, dew point control, waste heat recovery, and geothermal power generation.

The company's manufacturing design is the standard of excellence, incorporating innovative features that optimize performance and reliability. With each passing decade, our superior service, quality, and reliability helped establish itself as the premier hydrocarbon turboexpander and expander generator supplier.


Covering the USA

Pamela Kelly

Human Resources Manager

Atlas Copco Mafi-Trench Company LLC.

3037 Industrial Parkway
Santa Maria,
CA 93455

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