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Twenty-Six Defense Maritime

DeLeon Springs, FL, United States

Naval SystemsRadar & Sensors
Founded 19001001-5000 employeesPrime Contractor, Subsystem ManufacturerSupplies Naval Forces
Profile last updated: October 13, 2026

About

Founded in 1900, Twenty-Six Defense Maritime is a defense prime contractor based in DeLeon Springs, United States working in naval systems, radar & sensors.

Twenty-Six Defense Maritime, formerly Sparton, is a defense contractor headquartered in DeLeon Springs, Florida, with heritage dating to 1900. The company designs, develops, tests and manufactures sonobuoys for the U.S. undersea warfare arsenal, along with AHRS navigation sensors and maritime systems for anti-submarine warfare and undersea domain awareness. Its work includes advanced research systems, maritime solutions, sensor technologies and payload delivery. The company operates a DeLeon Springs facility focused on engineering and manufacturing and a Fairfax, Virginia office near the parent company's government relations activities. Sparton entered a joint venture with Magnavox to form ERAPSCO, which designs and manufactures U.S. Navy sonobuoys and transducers. Sparton has been acquired by Elbit Systems of America and previously held by Cerberus.

Location

DeLeon Springs, United States

Founded

1900

Employees

1001-5000

Focus areas

sonobuoyanti-submarine warfareundersea warfareAHRSsensorsmaritime defenseU.S. Navy

Languages

EN

Products & capabilities

Defense domains

Naval SystemsRadar & Sensors

Supply-chain role

Prime ContractorSubsystem Manufacturer

What they offer

HardwareEngineering ServicesManufacturing Services

Products

Sparton Sonobuoys

Sonobuoy

Active and passive tactical sonar sensors for anti-submarine warfare and undersea domain awareness, deployable by air or directly into the sea.

AHRS-M1

Attitude Heading Reference System

Micro-sized, low-power attitude and heading reference sensor with built-in adaptive calibration mode.

AHRS-M2

Attitude Heading Reference System

Next-generation micro-sized, low-power attitude and heading reference sensor with 0.2 RMS static heading accuracy and automatic calibration.

End users

Naval Forces

Standards, platforms & customers

Defense standards

ITARAS9100

Platforms & programmes

AN/SSQ-53H

Named customers

U.S. NavyAustraliaCanadaIndia

Credentials & affiliations

Certifications

ISO 9001

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