MarathonNorco Aerospace

MarathonNorco Aerospace

MarathonNorco Aerospace, Inc.

Waco, Texas, United States

Air SystemsMRO & LogisticsDual-use
Founded 1923Component Supplier, Subsystem ManufacturerSupplies Air Forces
Profile last updated: May 14, 2026

About

Founded in 1923, MarathonNorco Aerospace is a defense component supplier based in Waco, United States working in air systems, mro & logistics.

MarathonNorco Aerospace, Inc. is an aircraft power and mechanical products manufacturer headquartered in Waco, Texas, and part of the TransDigm Group. It designs, manufactures and supports aircraft batteries, battery chargers and analyzers, ground power units, and mechanical products such as hold open rods, ball reversers and remote release systems. Its products serve commercial and military aviation, with batteries historically supplied to US military programmes including the PRC-25 and PRC-77 transceivers and Air Force aircraft fleets. The company also operates an FAA and EASA Part 145 repair station and has repair and overhaul capabilities. Its origins trace to Marathon Battery Company, incorporated in 1923. Operations include a vertically integrated manufacturing facility of about 215,000 square feet in Waco.

Location

Waco, United States

Founded

1923

Company type

Subsidiary

Legal name

MarathonNorco Aerospace, Inc.

Focus areas

aircraft batteriesbattery chargershold open rodsmechanical aircraft componentsaircraft ground powerPart 145 repair stationTransDigmaerospacemilitary aviation

Languages

EN

Products & capabilities

Defense domains

Air SystemsMRO & Logistics

Supply-chain role

Component SupplierSubsystem ManufacturerMRO & Services

What they offer

HardwareComponentsMaintenance & Repair

Markets

Also sells to civilian markets

Products

Marathon Aircraft Batteries

Aircraft battery

Long-life advanced aircraft batteries, including Micro Maintenance and SuperPower lines, designed for high-rate performance at extreme temperatures.

Christie Aircraft Battery Chargers

Battery charger/analyzer

Microprocessor-based charger and analyzer products, including CASP and RF80-K series, for rechargeable aircraft and other batteries.

Hold Open Rods

Mechanical aircraft device

Custom engineered aircraft hold open rods and related mechanical devices.

Remote Release Handle Systems

Mechanical aircraft device

Remote release systems, latches, tensol locks, receivers and interlocks for aircraft applications.

Ball Reversers

Mechanical aircraft device

Custom ball reverser mechanisms for aircraft use.

Aircraft Ground Power Unit

Ground support equipment

Ground power unit supporting aircraft engine start, APU starting and ground support.

End users

Air Forces

Standards, platforms & customers

Platforms & programmes

PRC-25PRC-77

Named customers

United States Air ForceUnited States Army

Credentials & affiliations

Certifications

ISO 9001:2015

AS9100D

Awards

Army and Navy E Award

US Army and Navy

Other defense companies in United States

View all