High-quality cable assemblies are the foundation of reliable electronic systems, ensuring consistent performance, long-term durability, and compliance with strict industry standards. Choosing the wrong manufacturer can do more than increase costs; it can compromise safety, disrupt operations, and damage your brand’s reputation.
Below, we compare 12 cable assembly manufacturers and cover the main things to check before you pick a partner.
All details come from each company’s own website. They’re listed alphabetically, not ranked. Wiringo, which runs this site, is one of them.
Get Your Free Sample!
Explore our custom services now. Email us at sales@wiringo.com for more details.
Get Your Free Sample!
Explore our custom services now. Email us at sales@wiringo.com for more details.
Cable Assembly Manufacturers Compared
| Company | Headquarters | Founded | Certifications |
| Amphenol Corporation | Wallingford, Connecticut, USA | 1932 | Not listed |
| Casco Manufacturing | Bolingbrook, Illinois, USA | 1996 | ISO 9001:2015, WHMA A-620 |
| Fischer Connectors | Switzerland (part of the Conextivity Group) | 1954 | ISO 9001:2015, ISO 13485:2016, ISO 14001:2015, ISO 45001:2018 |
| Gore (W. L. Gore & Associates) | Newark, Delaware, USA | 1958 | Not listed |
| Molex | Lisle, Illinois, USA | Not listed | Not listed |
| NAI (North American Interconnect) | Not listed | 1993 | ISO 9001:2015, ISO 13485:2016, TL 9000 (by plant), UL |
| Salt Lake Cable & Harness | North Salt Lake, Utah, USA | Not listed | ISO 9001:2015, IPC/WHMA-A-620, UL, CSA, RoHS |
| Samtec | New Albany, Indiana, USA | 1976 | IATF 16949, ISO 9001, ISO 14001, ISO 50001 |
| Suntronic Inc. | Houston, Texas, USA | 1995 | ISO 9001:2015, ISO 13485 |
| TE Connectivity | Not listed | Not listed | Not listed |
| Wiringo | Shijiazhuang, Hebei, China (head office and factory) | 2016 | ISO 9001:2015, ISO 13485:2016, IATF 16949, IPC/WHMA-A-620E CIS (personnel) |
| Y.C. Cable | Fremont, California, USA | 1985 | ISO 9001 (USA, China), ISO 13485, IATF 16949, ISO 45001 (China) |
Amphenol Corporation
Amphenol’s cable range goes from simple point-to-point cables up to complex multi-branch harnesses.
- Location: Wallingford, Connecticut, USA
- Founded: 1932
- Products: Point-to-point, high-power and high-speed data cable assemblies; multi-branch harness assemblies
- Industries served: Automotive, broadband communications, industrial, IT and data communications, mobile devices, mobile networks
- Services: Custom-designed interconnect solutions
- Website: www.amphenol.com
Casco Manufacturing
Casco, a division of Globaltec, focuses on low to mid volumes with a high product mix, including box builds.
- Location: Bolingbrook, Illinois, USA
- Founded: 1996
- Products: Custom cable assemblies, coaxial and fiber optic assemblies, ground straps, wiring harnesses, box builds
- Industries served: Transportation, industrial, electronics, data centers, construction, education
- Certifications: ISO 9001:2015, WHMA A-620
- Services: Custom cable assembly, harness and box build work in low to mid volumes with a high product mix
- Website: www.cascomanufacturing.com
Fischer Connectors
Fischer builds assemblies around its own connectors and tests each one for electrical and sealing performance.
- Location: Switzerland (part of the Conextivity Group)
- Founded: 1954
- Products: Cable assemblies with overmolding and fiber optic assembly, built with its own connectors
- Industries served: Medical devices, industrial automation, telecommunications, consumer electronics
- Certifications: ISO 9001:2015, ISO 13485:2016, ISO 14001:2015, ISO 45001:2018
- Services: Cable assembly design assistance, technical drawings, overmolding, 100% electrical and sealing testing
- Website: fischerconnectors.com/en
Gore (W. L. Gore & Associates)
Gore makes microwave, RF, data and high-flex cables and configures assemblies to order.
- Location: Newark, Delaware, USA
- Founded: 1958
- Products: Microwave/RF, data and high-flex cables and cable assemblies
- Industries served: Semiconductors, test and measurement, oil and gas, industrial automation, telecommunications
- Services: Custom-configured cables
- Website: www.gore.com
Molex
Molex has an online configurator that produces a drawing, 3D model and samples for custom cable assemblies.
- Location: Lisle, Illinois, USA
- Products: Custom cable assemblies and wire harnesses, power and signal assemblies, FFC jumpers, I/O and RF coaxial assemblies
- Industries served: Automotive, telecommunications, mobile devices, data centers, industrial, medtech
- Services: Online custom cable configurator (concept drawing, 3D model, samples), RF assembly builder, prototyping, reliability testing
- Website: www.molex.com
NAI (North American Interconnect)
NAI builds assemblies in North America and Asia, with design, prototyping and testing at its solutions center.
- Founded: 1993
- Products: Custom cable assemblies, harnesses, electromechanical assemblies
- Industries served: Industrial, industrial technology, medical devices, telecom and data
- Certifications: ISO 9001:2015, ISO 13485:2016, TL 9000 (by plant), UL
- Services: Custom design and engineering, design for manufacturability, prototyping and testing, supply chain services
- Website: www.nai-group.com
Salt Lake Cable & Harness
Salt Lake Cable & Harness builds in Utah and adds potting, injection molding and box builds to its harness work.
- Location: North Salt Lake, Utah, USA
- Products: Custom cable assemblies, wire harnesses, electromechanical assemblies
- Industries served: Medical, automotive, industrial
- Certifications: ISO 9001:2015, IPC/WHMA-A-620, UL, CSA, RoHS
- Services: Prototyping, electromechanical box builds, wire processing, potting, injection molding, engineering consultation
- Website: www.saltlakecable.com
Samtec
Samtec specializes in high-speed cable assemblies and its Flyover cable systems.
- Location: New Albany, Indiana, USA
- Founded: 1976
- Products: High-speed cable assemblies and Flyover cable systems
- Industries served: Automotive, industrial, instrumentation, medical
- Certifications: IATF 16949, ISO 9001, ISO 14001, ISO 50001
- Services: Design and engineering support, signal integrity support, free samples, application engineering support
- Website: www.samtec.com
Suntronic Inc.
Suntronic is mainly an electronics manufacturer and builds cable and harness assemblies alongside PCB assembly.
- Location: Houston, Texas, USA
- Founded: 1995
- Products: Cable and wire harness assemblies, alongside PCB assembly and box builds
- Industries served: Oil and gas, industrial controls, communications, automotive, battery energy storage, medical, robotics, IoT
- Certifications: ISO 9001:2015, ISO 13485
- Services: Prototyping, PCB assembly, box builds, testing, repair, supply chain services, design
- Website: suntronicinc.com
TE Connectivity
TE’s cable assemblies cover copper, high-speed backplane and RF applications.
- Products: Copper, high-speed backplane and RF cable assemblies
- Industries served: Automotive, data centers, medical, industrial, wireless
- Services: Medical device design services, 3D printing for production
- Website: www.te.com
Wiringo
Wiringo, which runs this site, builds custom, overmolded and waterproof cable assemblies in Shijiazhuang.
- Location: Shijiazhuang, Hebei, China (head office and factory)
- Founded: 2016
- Products: Custom cable assemblies, overmolded and waterproof assemblies, wire harnesses
- Industries served: Automotive, industrial automation, medical devices, consumer electronics
- Certifications: ISO 9001:2015, ISO 13485:2016, IATF 16949, IPC/WHMA-A-620E CIS (personnel)
- Services: Design support, prototyping, electrical testing; 5,000 m² factory
- Website: www.wiringo.com
Y.C. Cable
Y.C. Cable builds in California, Taiwan and China and handles everything from NPI builds to repeat production.
- Location: Fremont, California, USA
- Founded: 1985
- Products: Custom cable assemblies and wire harnesses for prototype, NPI, build-to-print and repeat production
- Industries served: AI and data centers, automation and robotics, automotive, medical, consumer electronics, industrial, telecommunications
- Certifications: ISO 9001 (USA, China), ISO 13485, IATF 16949, ISO 45001 (China)
- Services: Design for manufacturability review, prototype and NPI builds, component sourcing, build-to-print production, testing, overmolding
- Website: www.yccable.com
How to Choose a Cable Assembly Manufacturer

When selecting a manufacturer, consider these key factors:
- Service capabilities: Look for design, prototyping, testing, and production services. The best manufacturers provide end-to-end support, from initial concept to final production.
- Certifications: Verify ISO 9001, IATF 16949, and RoHS compliance. These certifications ensure the manufacturer meets recognized quality standards for environmental responsibility and industry-specific requirements.
- Industry experience: Select partners who are familiar with the standards of your industry. Manufacturers with expertise in your sector understand the unique challenges and regulatory requirements you face.
- Customization options: Ensure they offer overmolding, waterproofing, and connector options. The ability to customize cable assemblies to your exact specifications is crucial for optimal performance.
- Lead times: Check their ability to meet your production schedule. Reliable delivery prevents costly delays in your manufacturing process.
- Quality assurance: Review their testing methods and documentation. Robust quality control prevents field failures and ensures consistent performance.
- Technical support: Evaluate their engineering expertise and problem-solving capabilities. The right partner can help optimize your designs for both performance and manufacturability.
How to Pick a Cable Assembly Manufacturer for Your Needs
Finding the right partner is crucial for project success. Look for manufacturers with strong technical expertise, quality certifications, and reliable delivery.
The best partners offer engineering support and design insights that improve performance while reducing costs.
If you’d like Wiringo to quote your project, send us your drawing.
Get Your Free Sample!
Explore our custom services now. Email us at sales@wiringo.com for more details.