A3

Alpha 3 Manufacturing

Alpha 3 Manufacturing Ltd

Scunthorpe, North Lincolnshire, United Kingdom

Communications & SATCOMAir SystemsNaval SystemsMissiles & MunitionsDual-use
Founded 2007Component Supplier, Subsystem ManufacturerSupplies Defense Industry
Profile last updated: August 13, 2026

About

Founded in 2007, Alpha 3 Manufacturing is a defense component supplier based in Scunthorpe, United Kingdom working in communications & satcom, air systems, naval systems +1 more.

Alpha 3 Manufacturing is a UK-based sub-contract electronics manufacturer specialising in bespoke cable harnesses, box and panel assemblies, electronic enclosures and EMC filters. It operates from two UK sites: a 40,000 sq ft facility in Scunthorpe, which serves as head office, and a site in Stoke-on-Trent that specialises in bespoke cable assemblies and cryogenic cables. The company's group brands include Tekdata Interconnections, Deltron Components, Deltron Enclosures, Roxburgh EMC and Computaweave. It supplies the space, aerospace, defence, medical and industrial sectors. Defence work includes cable harnesses and box and panel assemblies for military and defence equipment, covert and battlefield communications assemblies, naval and aircraft-based system assemblies, and through-looms used in missile flight control. The company holds AS9100D accreditation for mission-critical products. Its established date of 2007 is cited as the year Alpha 3 was founded, with several acquired brands dating from earlier years.

Location

Scunthorpe, United Kingdom

Founded

2007

Company type

Limited company

Legal name

Alpha 3 Manufacturing Ltd

Registration

01065925

Focus areas

cable harnessescable assemblieselectromechanical assembliesEMC filterselectronic enclosurescryogenic cablesinterconnection solutionssub-contract electronics manufacturingmilitary and defence

Languages

EN

Products & capabilities

Defense domains

Communications & SATCOMAir SystemsNaval SystemsMissiles & Munitions

Supply-chain role

Component SupplierSubsystem ManufacturerContract Manufacturer

What they offer

HardwareComponentsManufacturing ServicesEngineering Services

Markets

Also sells to civilian markets

Products

Computaweave

Woven ribbon cable

Flat woven cable allowing neat branch-outs, with power, signal, thermocouple and coax options and EMI/RFI shielding.

Die-cast aluminium enclosures

Electronic enclosure

Sealed, ingress-protected die-cast enclosures for housing critical components, including heavy-duty options.

EMC filters

EMC filter

Industrial and medical EMC filters, with pre-compliance EMC testing available in-house.

Cryogenic cable assemblies

Cryogenic cable harness

Cable assemblies designed for ultra-low and millikelvin temperatures and vacuum environments.

End users

Defense Industry

Standards, platforms & customers

Defense standards

AS9100D

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