Cable Assembly Company

Today, SIC serves more than 100 customers in over 20 different sectors including aerospace, automotive, medical, switchgear, vending, gaming, heating and ventilation to name but a few. We offer over 14,000 different product lines, which are utilised in a diverse range of products from ambulances, medical probes, coffee machines, boilers, beer coolers and vacuum pumps.
Aerospace Sector

Why choose us?

  • Prototypes and Pre-Production
  • Product Testing
  • Material Supply & Logistics
  • Accreditations
  • Market Sectors
  • Plant Machinery
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Common Questions...

SIC Ltd serves over 100 customers across more than 20 sectors, such as automotive, medical, switchgear, vending, gaming, heating, and ventilation.

We have several global accreditation’s, including ISO 9001/14001, our UK manufacturing facility is also UL approved to supply wiring harnesses.

We take our quality and environmental responsibilities very seriously, which we demonstrate across all aspects of our business.

SIC can provide custom harnesses with bespoke product testing. SIC give the same level of service and care to all production orders whether they are small production runs or high-volume manufacture.

SIC (Swansea Industrial Components) is a family run business that has been making wiring harnesses and cable assemblies for over 60 years since Mr Layton Roberts founded it back in 1964. Our HQ is located in Swansea, Wales.

SIC serves over 100 customers in more than 20 different sectors including medical, switchgear, lighting, heating and ventilation to name but a few. We manufacture over 14,000 different product lines, which are utilized in anything from ambulances, medical probes, coffee machines, boilers, beer coolers and vacuum pumps.

Aerospace
Audio Visual
Rail
Medical
Automotive
Boilers
Catering
Environmental
Gaming
HVAC
Lifts
Lighting
Mobility
Refrigeration
Security
Semi-Conductor
Solar Panels
Switchgear
Telecommunications
Vending
White Goods
Data Processing Driver

Industries we serve

Aerospace

SIC Ltd manufactures high-performance, lightweight cable assemblies designed for avionics, control systems, and communications within commercial, defence, and space-grade aerospace applications.

Audio Visual

We produce custom AV cable assemblies, including HDMI, speaker, and control wiring, ensuring signal integrity and seamless integration for professional audio-visual installations.

Rail

Our assemblies for railway applications include signalling, lighting, and control systems, built for vibration resistance, flame retardance, and extended durability.

Medical

SIC provides precision cable assemblies for medical equipment, including imaging, diagnostics, and patient monitoring systems, built to meet stringent safety and hygiene standards.

Automotive

SIC supplies durable automotive cable assemblies for lighting, sensors, battery systems, and in-vehicle electronics, designed to meet rigorous industry and environmental standards.

Boilers

Our assemblies for boilers include temperature sensor leads, control panel wiring, and power connectors, built for reliability in high-heat and moisture-prone environments.

Catering

We provide cable assemblies for commercial kitchen appliances, including heating elements, power connections, and user interfaces, all compliant with food industry safety standards.

Environmental

SIC delivers robust cable assemblies for monitoring and control systems in environmental equipment, including sensors, data logging units, and remote communication modules.

Gaming

We supply flexible and reliable cable solutions for gaming consoles and machines, supporting power, data transfer, lighting, and user interface connectivity

HVAC

Our assemblies support HVAC control panels, sensors, thermostats, and fan units, with cables resistant to temperature extremes and long-term mechanical wear.

Lifts

SIC designs cable assemblies for lift control systems, emergency communications, and sensor integration, prioritising safety, flexibility, and efficient signal transmission.

Lighting

We manufacture assemblies for LED, commercial, and architectural lighting systems, including power distribution, dimming controls, and DMX signal connections.

Mobility

We create reliable assemblies for powered wheelchairs, scooters, and assistive devices, ensuring consistent performance and safe power and control delivery.

Refrigeration

SIC produces moisture-resistant cable assemblies for refrigeration units, including sensor connections, compressors, and control interfaces for commercial and industrial systems.

Security

We supply assemblies for CCTV, access control, and alarm systems, offering secure, tamper-resistant connections and reliable performance in critical security environments.

Semi-Conductor

Our high-precision cable assemblies support semiconductor manufacturing equipment, including sensor, control, and high-frequency signal lines, designed for static-sensitive environments.

Solar Panels

SIC produces UV-resistant and weatherproof assemblies for solar systems, including inverter, panel, and battery connections, supporting efficient energy transfer and long-term reliability.

Switchgear

We provide cable assemblies for low to high-voltage switchgear, supporting control circuits, interlock wiring, and system monitoring under demanding electrical conditions.

Telecommunications

Our telecom assemblies include fibre and copper options for routers, base stations, and network infrastructure, ensuring signal integrity and uptime.

Vending

SIC supplies plug-and-play cable assemblies for vending machines, connecting power supplies, user interfaces, and payment systems with dependable, robust wiring solutions.

White Goods

We manufacture assemblies for domestic appliances such as washing machines and dishwashers, including motor, sensor, and control wiring tailored to OEM specifications.

Data Processing

We provide reliable, high-performance wiring solutions for data centre builds, supporting power distribution, server connectivity, and infrastructure cabling to ensure uptime and efficiency.
commerical kitchen

What our customers say…

We have been working with SIC for several years and found they are a truly professional supply partner.

They have always proved to meet our expectations, consistently delivering high-quality products on time and within budget.
Leading UK Catering Equipment Manufacturer.
SIC Building
Manufacturing Excellence

Manufacturing Excellence

Over the last 60 years, we have saved our customers millions in the production of high quality and low-cost products. Providing complete commitment and on-time delivery. Although the application of our products is wide and varied, SIC’s commitment to manufacturing excellence remains constant.