Electronic Assemblies

Sigma Four is a full-service contract manufacturer with the experience and expertise needed to support you from design through production.

We are conveniently located in Plano’s technology sector. We are able to supply our customers with timely support and the quick turnaround required by the fast-paced high-tech environment.

Here are a few of the services we offer:

Copper Assemblies

Wiring Harnesses
Patch Cords (Cat5, Cat6)
WAN/LAN Assemblies
TELCO Cables
RS232 Assemblies
Electro-Mechanical Sub

Coaxial Assemblies
SCSI Assemblies
D-Sub Assemblies
Magentic Coils
Refurbishment & Repair

Fiber Assemblies

Multimode Jumpers
Multifiber Assemblies
Breakout Kits
Fiber Pigtails

Singlemode Jumpers
Patch Panels
Launch Boxes
Fiber Testing

Custom Fabrication

Box Build
Custom Assembly
Custom Panels

Hybirds
Custom Harnesses

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