What Custom Wire Technologies does

Custom Wire Technologies, Inc. (CWT) is a privately held, ISO 13485:2016-certified contract manufacturer based in Port Washington, Wisconsin, specializing exclusively in custom precision wire components and assemblies for Class I and Class II medical device OEMs. The company has operated for over 50 years (with current capabilities traced through an early-2000s re-platforming) and operates as a custom-only manufacturer with no catalog or off-the-shelf products. Its offerings span medical coiling (including unifilar and up to 6-filar multi-filar windings), precision centerless and OD grinding (core wires, mandrels, hypotubes, orthopedic K-wires and Steinmann pins), CNC wire forming, nitinol processing and shape setting, and ISO Class 7 cleanroom assembly and packaging.

The underlying technology base rests on CNC-controlled point coilers, mandrel winding machines, micro-grinding equipment capable of ±0.0005 inch tolerances (down to ±0.0001 inches on appropriate applications), wire EDM tooling fabrication, and laser marking with coating ablation. Wire sizes processed range from 0.001 inches (ultra-fine) to 0.188 inches OD, with materials including 304V stainless steel, 316LVM, nitinol, and platinum-iridium/tungsten for guidewire builds. Vertical integration is significant: mandrels and ground components feed into in-house coiling, marking, and cleanroom assembly, reducing external supply chain steps for OEM customers.

The business model is B2B enterprise field sales, with a direct-to-OEM go-to-market motion in which engineers with coil design expertise support customer specification development through an RFQ system with a 24-hour response commitment. Pricing is quote-based on custom projects (net 30 terms), with a separate fixed-price rapid prototyping tier — QwikCoil — offering 20-coil lots in 304V SS or nitinol within one week. Customer segments include cardiovascular and structural heart OEMs (TAVR/TMVR, transcatheter valves, neurovascular), orthopedic device manufacturers, surgical and dental instrument OEMs, medical diagnostic instrumentation designers, and medical device startups and university researchers served through the QwikCoil channel. Revenue is not publicly disclosed; the company is bootstrapped with no disclosed institutional investors or parent entity.

Name

Custom Wire Technologies

Legal name

Custom Wire Technologies, Inc.

Website

https://customwiretech.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

11–50 employees

Short description

Custom Wire Technologies is an ISO 13485-certified, custom-only contract manufacturer of precision medical wire components and cleanroom assemblies — including coils, ground wires, guidewires, and nitinol forms — for Class I and II medical device OEMs serving cardiovascular, neurovascular, orthopedic, surgical, and dental applications.

Ownership category

akta.pro rank

Product category

Medical Device Contract Manufacturing

NAICS

Spring and Wire Product Manufacturing (33261), Other Fabricated Wire Product Manufacturing (332618), Other Communication and Energy Wire Manufacturing (335929)

SIC

Electromedical & Electrotherapeutic Apparatus (3845), Electronic Components, Nec (3679)

akta.pro primary industry

Wiring Harnesses & Pre-Fabricated Assemblies (IMADAMAN)

akta.pro secondary industry

Cable Assemblies & Wire Harnesses (HDAHAOAB)

Keywords

• Medical wire coiling
• Precision wire grinding
• Nitinol component manufacturing
• Medical device OEM
• Custom guidewire manufacturing

Headquarters

HQ city

Port Washington

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Supply Chain, Infrastructure

Revenue model

1. Custom Wire Component Manufacturing: Contract manufacturing of custom precision wire components including coils, ground wires, wire forms, and assemblies for medical device OEMs. Pricing based on complexity, materials, and volume with quotes provided per project.
2. QwikCoil Rapid Prototyping: Fast-turnaround custom coil service delivering prototypes in one week. Fixed pricing per 20 coils for standard materials (304V SS, Nitinol). Enables rapid sampling before scaling to production.
3. Cleanroom Assembly Services: ISO Class 7 cleanroom assembly, packaging, and additional value-add services including welding, printing, and coating applied to manufactured components.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Custom Wire Technologies is an ISO 13485:2016 certified contract manufacturer of custom precision medical wire components and assemblies for medical device OEMs. The company manufactures fine and ultra-fine wire coils, precision ground wires (guidewires, core wires, mandrels, hypotubes), wire forms, and orthopedic wires (K-wires, Steinmann pins) using materials such as 304V stainless steel, 316LVM stainless steel, nitinol, and specialty alloys. Services extend through ISO Class 7 cleanroom assembly, laser marking, pad printing, and custom guidewire assembly with PTFE and hydrophilic coatings.

Product overview

Custom Wire Technologies (CWT) is an ISO 13485-certified manufacturer of precision medical wire components and assemblies for OEM medical device manufacturers. The company operates as a custom-only contract manufacturer with no standard or off-the-shelf products. Their portfolio centers on four core manufacturing capabilities: Medical Coil Services (including Nitinol coils, reinforcement coils, and fine wire coiling), Precision Grinding Services (covering core wires, mandrels, hypotubes, and orthopedic wires), Custom Wire Form Services (with nitinol shape setting), and Value-Added Services (including cleanroom assembly, laser marking, pad printing, and welding). These capabilities are interconnected through vertical integration—coils are wound on internally manufactured mandrels, ground components feed into assembly operations, and the ISO Class 7 cleanroom enables final device assembly. The QwikCoil program offers expedited one-week turnaround for common coil specifications, while custom orders serve the full product lifecycle from prototype through mass production for Class I and Class II medical devices.

Differentiator

Problem solved

Functional benefit

Brands

• QwikCoil: Fast turnaround custom coil program offering delivery of quality custom coils within one week.

Products and services

• Medical Coil Services ISO-certified custom medical wire coiling services including unifilar and multi-filar winding capabilities for catheter components and medical devices, with wire sizes from 0.001" to 0.032" and coil lengths up to 96", targeted at medical device OEMs.
• Nitinol Coils Custom shape memory and superelastic nitinol coils with wire sizes from 0.005" to 0.188" diameter, used for flexible medical devices requiring MRI compatibility and kink resistance, serving medical device OEMs.
• Reinforcement Wire Coils Custom high-pitch helical reinforcement coils for catheter tubing wall reinforcement, providing crush resistance and flexibility for medical catheters and cannulas, manufactured for medical device OEMs.
• Custom Fine Wire Coiling Precision CNC coiling for minimally invasive medical devices with wire sizes as small as 0.001", serving medical device manufacturers, instrumentation designers, and surgical device OEMs.
• Custom Compression Springs Custom compression springs for medical applications including tube reinforcement, guidewire springs, and radiopaque marker springs, available in multi-diameter and tapered configurations for medical device OEMs.
• Precision Grinding Services OD profile and centerless grinding for guidewires, K-wires, orthopedic pins, hypotubes, and mandrels with tolerances down to ±0.0001" and lengths exceeding 10 feet, serving medical device OEMs.
• Core Wire Grinding Centerless grinding of core wire lengths exceeding 10 feet with diameters between 0.006" and 0.035", featuring custom tapered profiles for flexibility control in medical devices.
• Mandrel Grinding Custom mandrel wire manufacturing for wire coiling and catheter manufacturing, with diameters from 0.032" to 0.188" featuring tapers, steps, radii, flats, and D-shaped features.
• Hypotube Grinding Precision grinding of hypotubes for medical components with tight tolerances, featuring tapers, steps, bevels, and lancet tips for vascular access devices.
• Orthopedic Wires Custom K-wires, Steinmann pins, and olive wires for orthopedic applications using 304V stainless steel, 316LVM stainless steel, or nitinol with various tips and threading options, manufactured for orthopedic device OEMs.
• Custom Wire Form Services CNC wire forming for precision medical components using wire sizes from 0.002" to 0.032" OD, with 6-axis capability and bend radii at 1.5x wire OD for medical device OEMs.
• Nitinol Shape Setting Time/temperature-controlled heat-set process to shape nitinol components using custom fixtures, allowing transformation temperature customization for specific medical device applications.
• Cleanroom Assembly ISO Class 7 cleanroom assembly services with 2,000 sq. ft. of assembly space for ultra-fine wire parts, sub-assemblies, and custom guidewires with crimping, soldering, and coating capabilities.
• Laser Marking Laser marking for part numbers, lot numbers, and depth bands on guidewires and K-wires, with tolerances to within ±0.001" and capability on various materials including stainless steel and nitinol.
• Medical Pad Printing 360-degree rotational pad printing on catheters, guidewires, coils, and tubing using biocompatible Class VI Medical grade ink for FDA tracking and depth marking.
• Custom Guidewire Assemblies Custom medical guidewire manufacturing supporting various materials including 304V, 316LVM, nitinol, platinum iridium, and tungsten, with options for PTFE and hydrophilic coatings.
• QwikCoil Fast turnaround custom coil program delivering quality coils within one week, featuring stocked materials including 304V SS and Nitinol with wire sizes from 0.001" to 0.010" and fixed unit pricing.
• Value-Added Services Comprehensive finishing services including laser and plasma welding, passivation, electropolishing, PTFE coating, and wire EDM cutting for medical wire components.

Quantifiable outcome

• Tolerances as tight as ±0.0005 inches regularly, down to ±0.0001 inches depending on application
• +3 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Fort Wayne Metals: Fort Wayne Metals is a precision medical wire and component manufacturer producing fine wire, coiling, and nitinol components for medical device OEMs. Directly comparable to CWT on product (fine medical wire, nitinol coils, cable components), customer base (medical device OEMs), and customization model.
• Confluent Medical (formerly NDC): Confluent Medical is a leading contract manufacturer of nitinol-based medical devices and components, including guidewires, coils, and shape-set components. Directly comparable to CWT's nitinol coiling, shape setting, and guidewire assembly capabilities serving Class I/II/III medical device OEMs.
• Heraeus Medical Components: Heraeus Medical Components manufactures precision wire-based components and assemblies, including nitinol and other specialty alloy products, for medical device OEMs. Comparable on medical wire components, contract manufacturing model, and nitinol expertise, with a broader global footprint.
• Hyperbooth Medical (formerly Accu-Tube): Accu-Tube / Hyperbooth Medical manufactures precision stainless steel and other alloy tubing used in catheters, guidewires, and other interventional devices. Comparable to CWT on precision medical component manufacturing, medical device OEM customer base, and tubular/coiled wire-based product forms.
• Putnam Plastics (part of Carpenter Technology): Putnam Plastics, part of Carpenter Technology's Dynamet subsidiary, produces precision medical tubing and components for catheter, guidewire, and minimally invasive devices. Comparable to CWT on medical component contract manufacturing, OEM customer base, and precision tolerance requirements.

Broad incumbents

• Teleflex Medical OEM: Teleflex Medical OEM is a large, broad-line contract manufacturer of medical devices and components, including wire-based components for catheter and guidewire applications. Comparable as a contract manufacturer serving medical device OEMs across a much broader product portfolio than CWT.
• TE Connectivity: TE Connectivity is a large connector, cable assembly, and wire harness manufacturer with a medical business serving device OEMs. Comparable on wire harness and cable assembly production capabilities and target medical device OEMs, though TE operates at significantly greater scale across multiple industries.
• Johnson Matthey Medical Components: Johnson Matthey produces precious metals, nitinol, and other specialty alloys and components for medical applications, including wire and component forms. Comparable as a supplier into medical device wire and nitinol component markets, though the company operates at a much larger scale and across multiple end markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/customwire

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Custom Wire Technologies