Greene Tweed

Greene Tweed

Lansdale, PA, United States

Land Systems & VehiclesAir SystemsNaval SystemsSpaceDual-use
Component Supplier, Subsystem ManufacturerSupplies Land Forces, Air Forces, Naval Forces, Defense Industry
Profile last updated: May 6, 2026

About

Greene Tweed is a defense component supplier based in Lansdale, United States working in land systems & vehicles, air systems, naval systems +2 more.

Greene Tweed is a materials and engineered solutions company providing high-performance seals, elastomers, thermoplastics, thermoplastic composites and electrical and fiber optic connectors. Its portfolio serves aerospace, space, defense, oil and gas, chemical processing, semiconductor, hydrogen, pharmaceutical and medical markets. Its defense offering includes sealing and composite components for land, sea and air defense systems, including submarines and naval vessels, land vehicles, missile systems, fighter jets and drones, as well as Seal-Connect connectors for defense applications. The company designs and manufactures its products and provides application engineering support, with engineering staff across North America, Europe and Asia and manufacturing and R&D sites in several countries.

Location

Lansdale, United States

Focus areas

sealing solutionso-ringselastomersthermoplasticsthermoplastic compositeselectrical connectorsfiber optic connectorsaerospacespacedefensenavalhydrogensemiconductor

Languages

EN

Products & capabilities

Defense domains

Land Systems & VehiclesAir SystemsNaval SystemsSpaceMissiles & Munitions

Supply-chain role

Component SupplierSubsystem Manufacturer

What they offer

HardwareComponentsEngineering Services

Markets

Also sells to civilian markets

Products

Seal-Connect connectors

Electrical and fiber optic connectors

Electrical, fiber optic, single-pin, multi-pin and contact block connectors for power and signal transmission in extreme conditions, including submarines, naval vessels, and air, land and sea applications.

MSE metal spring energized seals

Spring energized seal

Metal spring energized seals for high-pressure, high-temperature and corrosive environments.

Xycomp DLF

Thermoplastic composite

Lightweight thermoplastic composite components designed to replace metal parts in structural applications.

Arlon 3000XT and 3160XT

Thermoplastic material

Thermoplastic materials offering creep resistance, thermal stability and mechanical strength for demanding environments.

Chemraz FFKM elastomers

Perfluoroelastomer seal material

FFKM elastomer sealing materials with broad chemical and thermal resistance.

O-rings and backup rings

Elastomer seals

Elastomer O-rings and backup rings for sealing critical equipment across industrial, oil and gas, and hydrogen applications.

End users

Land ForcesAir ForcesNaval ForcesDefense Industry

Standards, platforms & customers

Platforms & programmes

Howitzer recoil system

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