I am looking for a custom cable assembly manufacturer for medical devices.

When sourcing a custom cable assembly manufacturer for medical devices, it is critical to look for compliance with strict medical standards (such as ISO 13485 certification and FDA registration), sterilization compatibility, and robust quality control.

Here are some reputable manufacturers known for custom medical cable design and manufacturing:

• Epec Engineered Technologies – Specializes in custom medical interconnect solutions, offering ruggedized reusable assemblies, ergonomic constructions, and cost-optimized disposables in an ISO 13485/ISO 9001 certified and FDA-compliant environment.
• Proterial Cable America (PCA-HPMS) – Provides custom-designed medical cable assemblies featuring micro-coaxial bundles, fine-pitch termination, and vertical integration backed by ISO 13485:2016-certified manufacturing.
• TE Connectivity – A global industry leader offering heavily engineered custom connectivity, sensor, and cable solutions for complex diagnostic, therapeutic, and surgical medical applications.
• Molex – Delivers customized integrated electronic solutions, micro-cable assemblies, and rugged connectors built for demanding medical device environments.
• OurPCB – Frequently noted for rapid prototyping and custom cable assembly manufacturing that adheres to rigorous medical regulatory standards.

If you'd like to narrow down the choices, tell me:

• Is the assembly for a disposable or reusable medical device?
• What certifications or sterilization methods (autoclave, ETO, gamma) must it withstand?
• Do you need assistance with prototyping or full-scale production?

• Meshway Inc - 6625 McGrew St, Houston, TX 77087, United States
• Gi Circuits Inc - 12701 Royal Dr, Stafford, TX 77477, United States
• PPSI - 10905 Brooklet Dr, Houston, TX 77099, United States
• Star Precision, LP - 11236 Brittmoore Park Dr, Houston, TX 77041, United States
• RJ Electronic Assemblies - 10812 Fallstone Rd #400, Houston, TX 77099, United States
• Suntronic Electronic Assembly - 10501 Kipp Way St #350, Houston, TX 77099, United States
• Accupack PC Board & Cable Inc - 10842 Kinghurst Dr, Houston, TX 77099, United States
• Trylene Inc - 10650 Stancliff Rd, Houston, TX 77099, United States
• Universal Premier Electronic - 13219 Stafford Rd # B, Missouri City, TX 77489, United States
• Xact Technologies - 9851 Fallbrook Pines #100, Houston, TX 77064, United States
• V-J Electronic Assemblies - 12818 Century Dr, Stafford, TX 77477, United States

Absolutely. For medical-device cable assemblies, I’d prioritize suppliers with ISO 13485, medical-device OEM experience, controlled traceability, and the ability to handle overmolding, shielding, sterilization, and 100% electrical testing.

Strong manufacturers to consider

• Epec Engineered Technologies — Strong U.S. option for custom medical cables, including overmolding, non-magnetic assemblies, high-flex designs, sterilization compatibility, shielding, and lot/serialization controls. Their medical operation is ISO 13485 certified.
• Merit Cables — Particularly interesting if you want U.S.-made production. They specialize in custom medical cable assemblies, lead wires, harnesses, and overmolded assemblies and manufacture under ISO 13485.
• OCP Group — Good candidate for complex molded medical assemblies. They offer design, validation, tooling and production, and operate ISO 13485:2016/FDA-registered facilities.
• Proterial Cable America — Worth considering for miniaturized/fine-wire applications, ultrasound, endoscopy, catheter-related assemblies, high-density terminations, and hybrid assemblies. Their medical manufacturing is ISO 13485:2016 certified.
• DC Electronics — Makes custom medical cable/harness assemblies and has ISO 13485:2016 certification, clean manufacturing areas, overmolding, coax, fiber-optic and ruggedized capabilities.

If you want a Houston-area supplier

Since you're in the Houston area, I also found several local manufacturers that do cable/harness work:

• Meshway Inc — Houston medical-equipment manufacturer with cable-assembly capabilities.
• Gi Circuits Inc — Stafford; custom cable/wire harnesses, overmolding, PCBA and electromechanical assembly.
• PPSI — Southwest Houston; cable/wire harness assembly plus electronics manufacturing.
• Star Precision, LP — Northwest Houston; cable/harness manufacturing plus medical/lab equipment contract manufacturing.

However, I would not assume the Houston-area companies are suitable for a regulated medical-device program without verifying their current ISO 13485 certification and its scope. The dedicated medical suppliers above are safer starting points.

What I'd ask for in your RFQ

Give each manufacturer:

1. Cable drawing/CAD and BOM
2. Connector part numbers
3. Cable type, gauge and length
4. Overmolding requirements
5. Shielding/EMI requirements
6. Flex-cycle or bend-life requirements
7. Sterilization method, if applicable
8. Patient-contact/biocompatibility requirements
9. Required electrical tests — continuity, hipot, insulation resistance, etc.
10. Annual volume plus prototype/first-article quantity
11. Required regulatory documentation and traceability
12. Target production location (U.S. vs. offshore)

For a medical device, I'd specifically ask "Are you ISO 13485:2016 certified, and can you provide the certificate and scope covering cable assembly manufacturing?" Don't rely merely on a supplier saying that it "serves the medical industry."

If you tell me (a) what the cable connects to, (b) approximate cable length/connectors, (c) prototype vs. production volume, and (d) whether it contacts the patient or must be sterilized, I can narrow this to 3–5 manufacturers that are the best fit and compare their capabilities, location, certifications, and likely manufacturing approach.

When looking for a custom cable assembly manufacturer for medical devices, it is critical to find partners with specific quality management systems (such as ISO 13485 certification), sterilization compatibility, and rigorous signal integrity testing.

A few notable industry leaders and well-known options specializing in medical-grade custom cables and wire harnesses include:

• Proterial Cable America (PCA-HPMS): Known for high-performance medical solutions geared toward ultrasound, endoscopy, and catheter-based applications, offering fine wire manufacturing and ISO 13485-certified custom designs.
• TE Connectivity: A massive global provider offering robust custom interconnect solutions, sensors, and cable assemblies engineered to meet strict medical regulatory standards.
• Molex: Provides extensive customization for miniaturized and high-reliability medical applications, patient monitoring systems, and diagnostic equipment.
• OurPCB: Frequently utilized for quick-turn custom electronics and specialized medical cable assembly integrations.

Key Criteria to Evaluate:

1. Certifications: Ensure they hold an ISO 13485 certification for medical devices, and look for FDA registration or compliance with IEC 60601 standards if applicable to your device class.
2. Material Capabilities: Check if they support medical-grade, biocompatible, and sterilizable jackets (like TPU, silicone, or specialized PVC) that withstand autoclaving, chemical wiping, or repeated flexing.
3. Engineering Support: Opt for manufacturers offering rapid prototyping, 3D modeling, and strict electrical/pull-force testing capabilities.

To help narrow down the ideal manufacturing partner, could you let me know:

• What type of medical device is the cable for (e.g., diagnostic imaging, patient monitoring, surgical tool)?
• Do you require specific volume estimates (prototyping vs. full-scale production)?

Absolutely. For custom medical-device cable assemblies, I’d prioritize manufacturers with ISO 13485, medical-device OEM experience, strong traceability/testing, and the ability to handle both prototypes and production.

Manufacturers worth considering

• epectec.com — Strong U.S. option. They provide medical cable design/manufacturing, custom overmolding, shielding, sterilization-resistant materials, testing, serialization/lot control, and ISO 13485/ISO 9001-certified manufacturing. They specifically support high-mix, low-to-medium volume programs.
• meritcables.com — U.S.-made custom medical cable assemblies and harnesses, with particular expertise in overmolding. Their quality system is ISO 13485 certified, and they support engineering, tooling, DFM and production.
• ocp.com — Particularly interesting if your design needs custom molded components/overmolding. OCP works with medical-device OEMs and offers design, validation, tooling and production through ISO 13485:2016/FDA-registered facilities.
• dcelectronics.com — Custom cable/harness specialist with ISO 13485:2016 capability, including medical applications such as MRI, patient monitoring and surgical robotics. They also have clean-work-area and ESD manufacturing capabilities.
• nai-group.com — A good candidate for more demanding medical interconnects. Their facilities include ISO 8 cleanroom manufacturing and ISO 13485:2016 certification, with 100% testing and support for validation/regulated production.
• usa.proterial.com — Worth considering for miniaturized, high-density or fine-wire assemblies, including ultrasound, endoscopy and catheter applications. They report ISO 13485:2016-certified manufacturing and fine-wire processing down to 36–50 AWG.
• te.com — A larger global supplier with substantial medical cable expertise, particularly imaging, surgical and interventional applications, including flexible cables designed for repeated sterilization.

My shortlist

If this is for an actual medical-device OEM program, I'd start RFQs with:

1. Epec — best all-around custom/engineering candidate.
2. Merit Cables — excellent for U.S.-made custom and overmolded assemblies.
3. OCP — especially strong if molding/tooling is important.
4. NAI — good for regulated, higher-complexity production.
5. Proterial — particularly compelling for miniature/high-density medical assemblies.

When requesting quotes, I'd give each supplier your drawing/BOM, connector part numbers, cable type, dimensions, voltage/current or signal requirements, sterilization method, expected annual volume, prototype quantity, and target production date. For a medical device, I'd also ask for their ISO 13485 certificate/scope, lot traceability, inspection/testing capabilities, validation support, change-control process, and whether they can provide a full device-history/lot record.

If you tell me what kind of medical device/cable it is, your approximate annual volume, and whether you need U.S. manufacturing, I can narrow this to 3–5 manufacturers that are the best fit and compare them side-by-side.

Finding the right custom medical cable assembly manufacturer requires partnering with companies that hold stringent quality certifications (like ISO 13485 and ISO 10993 for biocompatibility) and offer specialized capabilities like custom overmolding, fine-pitch termination, and sterilization resistance.

Top-tier manufacturers specializing in custom medical-grade cable assemblies and wire harnesses include:

• Amphenol DC Electronics – Known for Amphenol DC Electronics Medical Device Cables specializing in patient monitoring, surgical robotics, MRI, and imaging systems with robust ISO 13485:2016 standards.
• Proterial Cable America (PCA-HPMS) – Offers specialized Proterial Cable America Medical Solutions focusing on fine wire manufacturing, high-density terminations, ultrasound, endoscopy, and catheter-based hybrid assemblies.
• TE Connectivity – A global industry giant providing engineered connectivity and custom cabling solutions tailored for high-reliability medical equipment and diagnostic devices.
• Molex – Provides advanced integrated electronic solutions, micro-miniature interconnects, and custom cabling designed for strict clinical and surgical environments.
• WellPCB – Focuses heavily on OEM custom prototyping, biocompatible material selection, and specialized overmolding; you can review their service profile via WellPCB Medical Cable Assemblies.

To help narrow down the best manufacturer for your specific project, could you share:

• What is the application or type of medical device (e.g., surgical, diagnostic, patient-worn)?
• Do you need low-volume prototyping or high-volume production?
• Are there specific sterilization methods (autoclave, EtO, gamma) or regulatory standards (FDA, IEC 60601) the assembly must pass?

• ClearPath Medical - 2752 Walnut Ave, Tustin, CA 92780, United States
• I-Tech E-Services LLC - 4020 Steve Reynolds Blvd, Norcross, GA 30093, United States
• Mccaltek Inc. - 1650 Lakes Pkwy #100, Lawrenceville, GA 30043, United States
• Cable Connections - 4355 International Blvd NW #170, Norcross, GA 30093, United States
• MTI Corporation - 2133 Old Fanning Bridge Rd, Fletcher, NC 28732
• Nijsha Enterprise, Inc. - 9048 Jimmy Lee Cir, Jonesboro, GA 30238, United States
• Heartland Electronics & Cable Assembly - 1131 Mt Lebanon Rd, Toney, AL 35773, United States
• American Biosurgical - 1850 Beaver Ridge Cir # B, Norcross, GA 30071, United States
• Robling Medical, LLC - 90 Weathers St, Youngsville, NC 27596, United States
• Assemblies Inc - 123 Osigian Blvd, Warner Robins, GA 31088, United States
• Phillip Cable Manufacturing Inc. - 1280 Oakbrook Dr STE A, Norcross, GA 30093, United States
• Cable Quest - 105 Heather Ct, Ball Ground, GA 30107, United States
• Manufactured Assemblies Corporation - 1810 Satellite Blvd #500, Buford, GA 30518, United States
• Tel-Conn Manufacturing, Inc. - 1625 Lakes Pkwy Ste J, Lawrenceville, GA 30043, United States
• Cable Depot, Inc - 4487 Park Dr NW # B, Norcross, GA 30093, United States
• ICA South - 6155 US-341, Fort Valley, GA 31030, United States

Absolutely. For a medical-device cable assembly, I’d prioritize manufacturers with ISO 13485, documented traceability, medical-device experience, and the ability to support design transfer/DFM—not just a general cable shop.

Strong candidates

• ClearPath Medical — Tustin, CA. Specializes in custom medical interconnects, cable assemblies, wire harnesses, and medical-device subassemblies. Particularly worth considering for Class II/III OEM programs.
• Epec — Offers vertically integrated medical cable design/manufacturing, custom overmolding, shielding, sterilization-resistant designs, and both reusable and disposable assemblies. It operates under ISO 13485/ISO 9001 quality systems.
• Merit Cables — Southern California. Focused heavily on custom medical cable assemblies, overmolding and wire harnesses, with ISO 13485 manufacturing and U.S. production.
• OCP Group — Strong option for molded medical cables. They provide design, validation, tooling and production and state that their medical facilities are ISO 13485:2016 and FDA registered.
• Proterial Cable America (PCA-HPMS) — Especially interesting for miniaturized/high-density medical applications, including ultrasound, endoscopy, catheter assemblies and fine-wire terminations. Their facilities are ISO 13485:2016 certified.
• DC Electronics / Amphenol DC Electronics — Silicon Valley-based manufacturer with ISO 13485:2016 medical-device cable experience, including MRI, patient monitoring, surgical robotics, overmolding, coax and fiber-optic assemblies.
• NPI Solutions — ISO 13485-certified custom cable/harness manufacturer with experience in medical devices, coax, twinax, triax, multi-conductor and power assemblies.
• Cable Connection — Medical-focused cable assembly supplier with an ISO 13485 QMS and 21 CFR Part 820 compliance.

If you want someone near Atlanta

Since you're in the Atlanta/Fayetteville area, I'd also investigate:

• I-Tech E-Services LLC — Norcross. Offers custom cable/wire harness manufacturing and lists ISO 13485:2016 among its certifications.
• Mccaltek Inc. — Lawrenceville. Custom cable/harness manufacturer that serves medical equipment among other OEM markets.
• Cable Connections — Norcross. Custom cable assemblies and wire harnesses; potentially useful for a local build-to-print supplier.
• MTI Corporation — Fletcher, NC. Focused specifically on custom medical cable/interconnect assemblies.
• Nijsha Enterprise, Inc. — Jonesboro, GA. Very close geographically and does custom cable/wire harness manufacturing, although I'd verify its medical-specific QMS/certification scope before treating it as a primary candidate.

What I'd look for in your RFQ

For a medical device, I'd send prospective suppliers:

• Cable drawing/CAD and BOM
• Connector part numbers
• Cable type, conductor count and AWG
• Shielding/EMI requirements
• Overmolding and strain-relief requirements
• Flex/bend-cycle requirements
• Required sterilization method: EtO, gamma, steam, etc.
• Disposable vs. reusable
• Expected annual volume and initial prototype quantity
• Electrical testing requirements
• Required labeling/serialization/lot traceability
• Applicable medical-device classification
• Whether you need design assistance/DFM or strictly build-to-print
• Required quality documentation (FAI, CoC, material certs, test reports, etc.)

My initial shortlist would be Epec, Merit Cables, OCP, Proterial, and ClearPath Medical for a serious medical-device OEM program. If keeping manufacturing close to Georgia is important, I'd investigate I-Tech, McCaltek, and MTI as well.

If you tell me what the cable is for (e.g., ultrasound, patient monitoring, surgical, catheter, diagnostic instrument), approximate annual quantity, and whether you're looking for prototype or production, I can narrow this to 5 manufacturers that are the best fit and compare their capabilities, location, certifications, minimum volumes, and contact/quote links.

• VIRTEX - 2801 E Plano Pkwy, Plano, TX 75074, United States
• DesignPlex Biomedical LLC - 3425 Clayton Rd E, Fort Worth, TX 76116, United States
• Wallace Electronics Inc - 10551 Miller Rd #300, Dallas, TX 75238, United States
• Sigma Four - 3301 Technology Dr #115, Plano, TX 75074, United States
• Custom Computer Cables of America, Inc. - 1600 10th St Ste A, Plano, TX 75074, United States
• Custom Cable Connection - 2300 Valley View Ln #215, Farmers Branch, TX 75234, United States
• Custom Cable Connection - 13375 N Stemmons Fwy, Ste 110, Farmers Branch, TX 75234
• Cable Works - 17811 Davenport Rd #53, Dallas, TX 75252, United States
• Solution Technologies Mfg - 11601 Plano Rd Suite 107, Dallas, TX 75243, United States
• Xact Technologies - 9851 Fallbrook Pines #100, Houston, TX 77064, United States
• Phoenix-Lamar Corporation - 1515 Dungan Ln #210, Austin, TX 78754, United States
• National Circuit Assembly - 2908 National Dr, Garland, TX 75041, United States
• SVTronics, Inc - 3465 Technology Dr, Plano, TX 75074, United States
• ASI Manufacturing - 3320 Wiley Post Rd, Carrollton, TX 75006, United States

Yes. For medical-device cable assemblies, I’d prioritize manufacturers with ISO 13485, documented traceability/testing, medical-device experience, and the ability to support your program from prototype through production.

Strong candidates

• VIRTEX — Plano, TX A particularly interesting option if you want a U.S.-based partner. Virtex provides cable/wire harness manufacturing and lists ISO 13485:2016 and FDA/21 CFR Part 820 capabilities, along with broader electronics manufacturing.
• DesignPlex Biomedical LLC — Fort Worth, TX Worth investigating for more complex medical assemblies. Its capabilities include connector assembly, potting, electrical testing, pull testing, crimping/soldering, and medical-device manufacturing.
• Wallace Electronics Inc — Dallas, TX Custom cable assemblies and wire harnesses for OEMs, including medical applications.
• Sigma Four — Plano, TX Custom cable assemblies and harnesses, including molded assemblies and shielding/EMI-related work; it lists medical among its target industries.

National manufacturers I'd also quote

• Merit Cables — Southern California. U.S.-made custom medical cable assemblies, overmolding, engineering/tooling, and an ISO 13485-certified QMS.
• DC Electronics — Silicon Valley. Medical cable/harness manufacturing with ISO 13485:2016, clean manufacturing areas, overmolding, coax and fiber capabilities.
• Epec — Massachusetts. Vertically integrated medical cable manufacturing, including design, tooling, overmolding and assembly, under ISO 13485/ISO 9001 systems.
• OCP Group — Specializes in molded medical cable assemblies and works with medical-device OEMs from design/validation through production; its facilities include FDA registration and ISO 13485:2016.
• Proterial Cable America — Especially worth considering for miniature/fine-wire, ultrasound, endoscopy, catheter and high-density interconnects. Its medical manufacturing is ISO 13485:2016 certified.
• NAI — Medical interconnect specialist with ISO 13485:2016 certification, cleanroom capabilities and 100% testing of assemblies.
• Cable Connection — Medical-focused cable assembly manufacturer with ISO 13485 certification and 21 CFR Part 820 compliance.

What I'd ask them for

When requesting quotes, send a package containing:

• Cable/assembly drawing or sample
• Connector and terminal part numbers
• Wire/cable specification and jacket material
• Overall length and branch dimensions
• Overmolding/strain-relief requirements
• Shielding/EMI requirements
• Sterilization method, if applicable
• Quantity for prototype, pilot and annual production
• Required electrical/mechanical testing
• Required certifications and documentation
• Target production location (U.S. vs. offshore)
• Any FDA/ISO/biocompatibility requirements

For a medical device, I'd specifically ask each supplier for their current ISO 13485 certificate and scope, not just a statement that they "follow ISO 13485."

If you tell me (1) what the cable connects to, (2) approximate quantity/year, (3) whether it needs overmolding or sterilization, and (4) whether you require U.S. manufacturing, I can narrow this to 3–5 manufacturers that are the best fit and provide their contact/quote links.

When sourcing a custom cable assembly manufacturer for medical devices, key priorities include ISO 13485 certification , biocompatibility, sterilization compatibility (autoclave, EtO, plasma), and EMI/RFI shielding. [1][2]

Prominent, industry-trusted manufacturers specializing in custom medical cable assemblies and wire harnesses include:

• TE Connectivity : A massive global leader providing highly engineered connectivity, custom medical cables, and sensor solutions built for stringent diagnostic and surgical environments.
• Molex : Offers customized integrated electronic solutions, micro-miniature interconnects, and robust cable assemblies tailored for patient monitoring and imaging systems.
• Smiths Interconnect : Renowned for specialized high-reliability interconnects and configurable connector solutions (such as their HyperGrip series) designed explicitly for medical electronics. [1]
• Epec Engineered Technologies : Certified in ISO 13485 and ISO 9001, specializing in custom cable builds for diagnostic imaging, SpO2 monitors, defibrillators, and surgical units. [1]
• Proterial Cable America (PCA-HPMS) : Focuses on high-performance medical cable solutions featuring micro-coaxial bundles, fine-pitch terminations, and vertical integration. [1]
• Y.C. Cable : Provides custom medical-grade wire harnesses and assemblies out of ISO 13485-certified facilities with multi-layered quality assurance. [1]
• Bergen Cable Technology : Known for precision microminiature (like Microlin) custom cables tailored for tight spaces in surgical tools and diagnostic probes. [1]

If you'd like to narrow down this list, tell me:

• What type of medical device is the cable for (e.g., surgical, imaging, patient monitoring)?
• Do you require specific sterilization methods (autoclave, EtO) or volume scales (prototypes vs. mass production)?

• CDM Inc. - 130 American Blvd, Blackwood, NJ 08012, United States
• Syscom Tech - 1537 Glen Ave, Moorestown, NJ 08057, United States
• Sanbor Manufacturing - 7584 Morris Ct, Allentown, PA 18106, United States
• Heltronics - 1031 MacArthur Rd Ste G, Reading, PA 19605, United States
• Amphenol Alden Products - 800 Technology Center Dr, Stoughton, MA 02072, United States
• Ameral International Inc - 7 Railroad Ave, Brooklawn, NJ 08030, United States
• EC Tronics - 855 Industrial Hwy, Cinnaminson, NJ 08077, United States
• Simco NJ Inc - 1755 N Delsea Dr, Vineland, NJ 08360, United States
• Swemco Inc - 1215 N Church St, Moorestown, NJ 08057, United States
• Galaxy Wire and Cable - 903 Sheehy Dr e, Horsham, PA 19044, United States
• Cygnus LLC - 510 E 41st St, Paterson, NJ 07504, United States
• Northeimer Engineering & Manufacturing - 2670 Leisczs Bridge Rd #500, Leesport, PA 19533, United States
• Circuit Tech Assembly - 154 Cooper Rd Ste 101, Berlin Township, NJ 08091, United States
• Quadrangle Products - 28 Harrison Ave Suite 105, Englishtown, NJ 07726, United States
• ESI Electronics - 1541 New Brooklyn Rd, Sicklerville, NJ 08081

Absolutely. For medical-device cable assemblies, I’d prioritize manufacturers with ISO 13485, strong traceability, documented testing/validation, and experience with overmolding, sterilization, fine-wire work, or other requirements specific to your device.

Strong candidates

• CDM Inc. — Blackwood, NJ. Local option for engineered cable assemblies, wire harnesses, and electromechanical assemblies. Worth considering if you want a nearby supplier, although I would specifically verify its current ISO 13485 scope before treating it as a medical-qualified source.
• Syscom Tech — Moorestown, NJ. Custom cable/harness manufacturing and contract electronics manufacturing, including medical applications. A potentially convenient South Jersey option.
• Sanbor Manufacturing — Allentown, PA. Custom cable assemblies to OEM drawings, with crimping, soldering, shielding, labeling/serialization, DFM, prototyping and NPI; medical devices are among its stated markets.
• Heltronics — Reading, PA. Builds custom cable/harness products including medical cable harnesses and overmolded cable assemblies.
• Amphenol Alden Products — Stoughton, MA. Particularly interesting for medical interconnects, connectors and custom medical cable assemblies, including challenging electrical/mechanical requirements.

Medical-specialist manufacturers

If this is a regulated device and you need a supplier that is already deeply familiar with medical OEM requirements, I'd also put these on the RFQ list:

• Merit Cables — specializes in custom medical cable assemblies, lead wires and harnesses. It states that its QMS is certified to ISO 13485 and that it manufactures overmolded assemblies in the USA.
• OCP Group — strong candidate for molded medical cable assemblies, with design, validation and tooling capabilities and ISO 13485:2016 facilities.
• NAI Group — particularly suitable for demanding medical assemblies; it describes ISO 13485:2016-certified manufacturing, cleanroom capability, 100% testing and experience with surgical, ultrasound, catheter, imaging and other medical assemblies.
• Proterial Cable America — interesting if your design involves fine-gauge wire, high-density terminations, ultrasound, endoscopy or catheter applications. Its medical manufacturing is ISO 13485:2016 certified.
• MAC / Manufactured Assemblies Corp. — U.S. manufacturer in Ohio offering ISO 13485:2016, IPC/WHMA-A-620 Class 3, 100% electrical testing, traceability and in-house overmolding.
• Cable Connection — another medical-focused option with an ISO 13485-certified QMS and 21 CFR Part 820 compliance.

What I'd ask each manufacturer

For an RFQ, I'd give them:

1. Cable drawing and/or CAD files
2. Connector part numbers and pinout
3. Cable type, gauge, shielding and jacket material
4. Overall length and tolerances
5. Overmolding/strain-relief requirements
6. Expected annual volume and prototype quantity
7. Sterilization method, if applicable
8. Required electrical/mechanical testing
9. Required regulatory documentation and traceability
10. Whether you need design-for-manufacturing (DFM) assistance or strictly build-to-print

For a medical device, I'd specifically ask for their current ISO 13485 certificate and its scope, rather than simply accepting "ISO 13485 compliant."

If you tell me (a) your location/preferred manufacturing region, (b) approximate annual quantity, (c) whether the cable is patient-contacting/sterilized, and (d) whether you need overmolding, I can narrow this to 5–8 manufacturers that are the best fit and compare their capabilities, location, certifications, minimums, and likely suitability.

Finding the right custom cable assembly manufacturer for medical devices requires partnering with companies that hold critical certifications (such as ISO 13485 for medical devices and compliance with IEC 60601 standards). [1]

Here are some of the top-rated and industry-trusted manufacturers specializing in custom medical wiring, harnesses, and cable assemblies:

• TE Connectivity – A global leader providing robust, high-reliability connectivity and custom solutions for demanding medical imaging, patient monitoring, and surgical applications.
• Molex – Offers specialized miniaturized and high-speed custom interconnect solutions tailored for complex diagnostic and therapeutic medical devices.
• NAI Group (Network Accessories Inc.) – Purpose-built for medical OEMs , specializing in custom cable assemblies, electro-mechanical sub-assemblies, and sterile or washable applications. [1]
• Smiths Interconnect – Renowned for solving high-reliability, mission-critical medical connectivity challenges (such as in patient monitoring and ablation equipment). [1]
• WellPCB / OurPCB – Frequently utilized as flexible manufacturing partners offering rapid prototyping and scalable custom medical wire harnesses. [1][2]

Key Considerations When Choosing a Partner:

• Certifications: Ensure they are ISO 13485 certified and FDA registered if manufacturing finished medical devices or critical components in the US.
• Sterilization & Materials: Confirm whether your application requires assemblies to withstand autoclaving, EtO, gamma sterilization, or chemical wipe-downs (using biocompatible materials like TPU or silicone).
• Signal Integrity & Miniaturization: Look for expertise in shielding against EMI/RFI and handling ultra-fine wire gauges for catheters, endoscopes, or portable monitors. [1][2]

If you can share:

• The type of medical device (e.g., diagnostic, surgical, wearable)
• Estimated production volume (prototyping vs. full mass production)
• Any specific sterilization or regulatory requirements

I can help narrow down the best manufacturer match for your project.