SE

SemiGen

Londonderry, NH, United States

Communications & SATCOMSpaceDual-use
Founded 2009Component Supplier, Contract ManufacturerSupplies Defense Industry
Profile last updated: June 2, 2026

About

Founded in 2009, SemiGen is a defense component supplier based in Londonderry, United States working in communications & satcom, space.

SemiGen is an RF and microwave manufacturer based in Londonderry, New Hampshire, founded in 2009. The company provides design engineering, contract assembly, automated PCB assembly, box build, module testing, high-frequency testing, and high-reliability (hi-rel) screening and upscreening services. Its product range includes PIN, Schottky and step recovery diodes, thin film circuits, filters, attenuators, chip capacitors and bonding tools, and it offers wafer dicing and metallization. Operations are housed in a 43,000 sq. ft. facility with over 20,000 sq. ft. of clean room space. SemiGen serves military and aerospace, satellite and space, communications and wireless, and industrial, R&D and medical markets. It also repairs and refurbishes RF/microwave modules. The company states it is ISO 9001:2015 certified and ITAR compliant, and performs environmental testing to MIL-PRF-38534, MIL-STD-883 and MIL-STD-750 for MMIC, GaN and other semiconductor devices.

Location

Londonderry, United States

Founded

2009

Focus areas

RF/microwavehi-rel screeningupscreeningthin film circuitsdiodessemiconductor devicesbonding toolscontract manufacturingmodule repairMMICGaNspace qualification

Languages

EN

Products & capabilities

Defense domains

Communications & SATCOMSpace

Supply-chain role

Component SupplierContract Manufacturer

What they offer

HardwareComponentsManufacturing ServicesEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

PIN diodes

RF semiconductor diode

Beam lead, stripline and other PIN diodes for RF/microwave circuits.

Schottky diodes

RF semiconductor diode

Schottky barrier, zero bias detector and ring/bridge quad diodes.

Step recovery diodes

RF semiconductor diode

Step recovery diodes for RF/microwave applications.

Thin film circuits

Thin film circuit

Ion beam milled and chemically etched thin film circuits with fine line and space widths.

Fixed attenuator pads

RF passive component

Fixed attenuator pads qualified through space-level environmental testing.

Beam lead capacitors

RF passive component

Chip and beam lead capacitors for microwave assemblies.

End users

Defense Industry

Standards, platforms & customers

Defense standards

MIL-PRF-38534 Class KMIL-PRF-19500MIL-STD-883MIL-STD-750ITAR compliant

Named customers

BAE Systems

Credentials & affiliations

Certifications

ISO 9001:2015

Awards

Partner 2 Win Silver Tier Award

BAE Systems

Other defense companies in United States

View all