Trimble Sustainment Engineering

Making Yesterday Tomorrow

By solving the military’s most challenging sustainment problems with innovative and cost-effective solutions.

What We Do

Reverse Engineering

Do you have boards covered in programmable logic? Fifteen square inches of 64k EEPROM’s? PAL’s, GAL’s and things not used since 1973? Excellent – bring us your end-of-life nightmares and let us turn them into sustainable, repairable solutions.

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Design Support

Bring us your requirements and let us come up with an innovative solution – vague concepts and napkin drawings are always OK.

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Production Support

Trimble Sustainment Engineering Inc. has teamed with companies across the United States to provide the finest products available.

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Depot-Level Repair

Trimble Sustainment Engineering Inc. serves as a depot-level repair facility supporting numerous customers and programs, with most items submitted without drawings, schematics or information – simply put, we get “the worst of the worst”.

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what we make

While most of the what we make is proprietary and custom, we occasionally produce products that are available for purchase

AN/GTM-3B Test Set - Trimble Sustainment Engineering

AN/GTM-3B Test Set


Branched Cable and Test Plug Set, AN/GTM-3 and AN/GTM-3B


DW3121A / D583 ALM-288 Tester

LH2111 Replacement

LH2111 Replacement


"I kept seeing this pile of hardware that had been rendered to paperweights because of this one board."

TSE's singular vision is the Service Life Extension of all devices that are critical to the success of our customer’s mission, regardless of their end-of-life status.