There’s no room for aerospace systems to fail, because if they do, lives are at stake. Which is why wire harnesses are so important; they can make or break safety in extreme temperatures, vibration and electromagnetic interference.
Failure isn’t an option, so choosing the right aerospace wire harness partner is something that requires some thought. You need a partner who understands the rigorous certification requirements, can deliver consistent quality that passes FAA and military audits and provides the engineering expertise to navigate complex aerospace standards like AS9100 and ITAR compliance.
This guide shows the top 11 aerospace wire harness manufacturers based on their aerospace certifications, manufacturing capabilities, and proven track record with aviation and defense programs. Cloom Tech leads our rankings for their rapid prototyping capabilities and cost-effective quality, but each manufacturer brings specialized strengths for different aerospace applications.
How We Chose These Aerospace Wire Harness Manufacturers
We assessed aerospace wire harness manufacturers against a detailed set of aerospace-specific requirements that directly affect safety, reliability and compliance in flight-ready applications:
- Certifications and Compliance: Only aerospace wire harness manufacturers that hold certificates like AS9100D aerospace quality management, ISO 9001, ITAR registration, IPC/WHMA-A-620 Class 3 and FAA repair station approval were prioritized. Companies demonstrating compliance with aerospace workmanship standards like NASA-STD-8739.4 received higher consideration.
- Manufacturing & Process Capabilities: We looked for facilities capable of aerospace-grade processes like AS50881 laser wire marking, precision crimping and termination and 100% automated electrical testing. Special processing such as EMI/EMC shielding, environmental sealing for -65°C to +150°C, vibration-resistant layouts and protection against lightning strikes or high-altitude moisture were important differentiators.
- Safety & Reliability Features: We favored companies with safety features like fire protection compliance, fault isolation methods, redundant wiring systems and adaptations for critical zones such as fuel systems, landing gear, and engine compartments. We also gave preference to manufacturers with proven reliability in fiber optic harnessing, high-speed data transmission and high-power distribution.
- Quality Assurance Systems: Companies were assessed on their quality assurance infrastructure, including First Article Inspection (FAI), full traceability management, material certification and process verification records.
- Project Management & Support: Beyond production, we evaluated manufacturers that offer support throughout the order and production process, DFM guidance and excellent communication.
Top 11 Aerospace Wire Harness Manufacturers
1. Cloom Tech
Cloom Tech are aircraft wire harness manufacturers that build aerospace wire harnesses to customer specs, pairing rapid prototyping capabilities with exceptional quality backed by certifications like IPC/WHMA-A-620 and ISO 9001 factories.
While they don’t offer design, their engineers can offer DFM checks to help accelerate the process before production. Another bonus is that they can easily handle related products, like RF cables, pairing perfectly for flight hardware and other applications.
If you need a supplier that understands both aerospace wire harnesses and RF signal integrity, Cloom Tech is a practical, scale-ready choice. Their customer support team is responsive and keeps you up-to-date every step of the way.
| Pros | Cons |
|---|---|
| ✅ Wide array of customized wire harness solutions exclusively for the aerospace sector, with products that comply with industry standards for optimal performance. | ❌ Young company compared to established aerospace wire harness manufacturers. |
| ✅ Fast prototyping services (in as little as 3 weeks) to test and iterate ideas before mass production. | |
| ✅ Comprehensive services including professional recommendations, prototyping, manufacturing, assembly and quality testing with responsive customer service. |
Key Specs
| Year Founded: | Founded in 2016 |
|---|---|
| Factory Specifications: | Main manufacturing facility is located in Hebei, China, with additional operations in the Philippines. |
| Certifications: |
|
2. Wiringo
Wiringo supports high-temperature insulation materials and shielding options that are often required for aviation-adjacent systems like UAV electronics, aircraft abin electronics or ground-support equipment. Their catalog includes multi-core looms, ribbon cables, molded connectors and braided EMI-shielded builds, and they specialize in custom wire harnesses.
Their processing capabilities include PVC, silicone and FEP jackets, along with braided copper shielding for EMI reduction. Wiringo also support accurate crimping and continuity testing, and their tooling covers connectors from JST, Molex, TE and Hirose. For projects where cost-sensitive prototype runs or small-batch assemblies are needed, Wiringo offers flexible order sizes and fast turnaround.
| Pros | Cons |
|---|---|
| ✅ Can build multi-branch looms with molded strain-relief for reduced fatigue in vibration-prone environments. | ❌ Limited publicly available data on environmental qualification. |
| ✅ Supports UL-listed wire and RoHS-compliant production, useful for aviation suppliers managing material traceability and compliance controls. | |
| ✅ Small-batch manufacturing and prototype support for teams needing lower MOQs. |
3. Ventura Aerospace
Ventura’s roots are in aviation, tracing all the way back to 1930 when Floyd Snow built and flew his own monoplane. His legacy continued through his sons and grandson, which brings us to Ventura today.
Their in house wire harness shop supports flight hardware with things like laser wire marking, bespoke lengths/branching and integration alongside machining and sheet-metal. These are useful when your BOM spans more than wiring.
As an FAA repair station with AS9100/ISO 9001, they bring airworthiness rigor and STC experience, making them a strong fit for retrofit programs and certified airborne systems.
| Pros | Cons |
|---|---|
| ✅ State-of-the-art tools (including laser wire marking) allows them to manufacture simple to complex wire harnesses with any length and any number of branches. | ❌ Their wire harness manufacturing appears to be primarily focused on supporting their own aerospace products rather than being a dedicated wire harness manufacturer. |
| ✅ Full-service capabilities including system integration, assemblies, sheet metal parts, machined parts and wire harness manufacturing. |
Key Specs
| Year Founded: | 1997 |
|---|---|
| Factory Specifications: | Single location in Westlake Village, California. |
| Certifications: |
|
4. Elite Harness
Despite being a new company, Elite Harness operates a 50,000-sq-ft site with AS9100 + ISO 9001 and WHMA membership. They’ve positioned themself for high-quality builds with a dedicated engineering/R&D team and a Rapid Response Team that can handle prototypes or low volume orders quickly.
Their certification stack and the scale of their facility make it compelling for low-to-mid volume aerospace harnesses needing quick DFM and fast PPAP/FAI cycles.
| Pros | Cons |
|---|---|
| ✅ Features an Engineering and Research & Development team that manages every step of every project. | ❌ While they have extensive combined experience, Elite Harness is a newer company compared to established aerospace wire harness manufacturers. |
| ✅ Over 150 years of combined manufacturing experience means you’ll get high quality wire harness products. | |
| ✅ Their “Rapid Response Team” can handle first articles or low-volume orders quickly. |
Key Specs
| Year Founded: | Unsure. |
|---|---|
| Factory Specifications: | 50,000-square-foot facility in Wellington, Kansas (with $14 million investment for refurbishment). |
| Certifications: |
|
5. Heritage Aviation Ltd
Heritage combines AS9100 manufacturing with an FAA Part 145 repair station, which means they can offer both production and repair of cable harnesses. This extended capability is a step up from what most other aerospace wire harness manufacturers can offer, so if you’re looking for a partner that can both manufacture and repair products, they’re your go-to.
While their focus is wider than just as aviation wire harness manufacturers (sheet-metal, machining and more), their extensive certifications and their history of providing high-quality wire harnesses in various industries makes them a trustworthy choice.
| Pros | Cons |
|---|---|
| ✅ FAA Part 145 certified avionics repair company with FAA 145 Repair Station Certification, which gives them the authority to inspect, repair and overhaul components. | ❌ Their focus across multiple industries (aerospace, automotive, military, industrial, medical devices, etc.) may dilute their specialization compared to purely aerospace-focused manufacturers. |
| ✅ AS9100 registered organization with over 40,000 square feet of floor space located in the heart of Dallas. | |
| ✅ Experience manufacturing wire harness and cable assemblies for multiple different markets and industries. |
Key Specs
| Year Founded: | 1991 |
|---|---|
| Factory Specifications: | Over 40,000 square feet of floor space in Fort Worth, Dallas. |
| Certifications: |
|
6. ConexSmart LLC
ConexSmart is owned by a service-disabled veteran, so miltary companies and those with a vested interest in veteran-owned companies might prefer to support them than others. As an aerospace wire harness manufacturer, they’re known for UV laser wire marking compliant with SAE AS50881 and ARP5607.
With AS9100 + ISO 9001 at both their Colorado and Florida sites, ConexSmart suits aerospace applications where labeling, traceability and turnaround speed are big factors. They also have plenty of happy customer testimonials, which indicates that their products are well-received and many clients come back for repeat business.
| Pros | Cons |
|---|---|
| ✅ Service-disabled veteran-owned small business with over 60 years combined experience in military and civilian aviation operations. | ❌ Relatively young company compared to established aerospace manufacturers. |
| ✅ Uses the latest SAE AS50881 compliant UV Laser wire marking technology. | |
| ✅ Customer testimonials highlight their commitment to quality, on-time delivery, and customer service. |
Key Specs
| Year Founded: | 2018 |
|---|---|
| Factory Specifications: | Headquarters in Conifer, Colorado; factory in Holt, Florida. |
| Certifications: |
|
7. Salt Lake Cable & Harness
Salt Lake Cable & Harness are aerospace wiring harness manufacturers with AS9100D + ISO 9001, ITAR and Spec 3 IPC build capabilities, solid markers for avionics and defense harnesses.
The company emphasizes low-to-medium volume, high-mix work, which aligns well with aerospace change rates, ECPs and programmed spares. They also work with the Department of Defense’s contractors, so you can be confident that you’re getting excellent quality wire harnesses when you work with them.
| Pros | Cons |
|---|---|
| ✅ Strong aerospace and defense certifications, AS9100 certified and ITAR registered, with Spec 3 IPC build capabilities. | ❌ Only 5 employees at their 1 location, which may restrict their capacity for large scale aerospace programs. |
| ✅ Serve as a subcontractor for Department of Defense (DOD) contractors and vendors. | |
| ✅ Keep production in-house so they maintain oversight over the entire manufacturing process. |
Key Specs
| Year Founded: | 1985 |
|---|---|
| Factory Specifications: | One location in North Salt Lake, Utah. |
| Certifications: |
|
8. Phoenix Dynamics
UK-based Phoenix Dynamics (now part of HUBER+SUHNER) is AS9100 and builds custom wire harnesses that meet Class-3-grade standards for civil/military aerospace, including UAVs and harsh environments.
Being part of HUBER+SUHNER means they have access to a wider certification portfolio and system processes. They’re also at the forefront of technology when it comes to Unmanned Aerial Vehicles (UAVs), so if that’s where your company is focused, you’ll find a great partner in Phoenix Dynamics.
| Pros | Cons |
|---|---|
| ✅ Holds AS9100 Rev D certification, allowing them to create high performance cable assemblies for aerospace applications. | ❌ Multi-site locations limited to the UK, which may limit global reach compared to international competitors. |
| ✅ Provides a wide range of services: from research and development, consultancy and design, through to assembly and post-delivery support. | |
| ✅ Has applied knowledge of high precision cable assembly products to support the growing use of Unmanned Aerial Vehicles (UAVs). |
Key Specs
| Year Founded: | 1994 |
|---|---|
| Factory Specifications: | HQ in Staffordshire, England, multi-site locations in the UK. |
| Certifications: |
|
9. Opti Manufacturing
Opti is a Puerto Rico-based aerospace contractor that manufactures wiring solutions and environmentally sealed cable assemblies. They were the first and are still the only tier 3 company in the country, with AS 9100D: 2016 certification up to 2021.
The company has been going for a good few decades, and even won the 2003 Gold Medal for a perfect ABVS score at DLA. They’re also a recognized supplier of aircraft cable tensiometers, which is useful for MROs managing control-cable QA.
For programs needing harness builds plus calibrated tooling support and in house fixtures or lay-ups, Opti’s verticals make the whole process easy.
| Pros | Cons |
|---|---|
| ✅ Established Quality Assurance Program certified under AS9100:2016 & ISO 9001:2015. | ❌ Heavy focus on cable tensiometers may limit opportunities compared to broader aerospace manufacturers. |
| ✅ Acquired all the rights to manufacture, sell and service Pacific Scientific Aircraft Cable Tensiometers, making them a unique specialist in this niche. | |
| ✅ All tooling services, layup boards, and in-process test setups are done in house with engineering resources for custom solutions. |
Key Specs
| Year Founded: | 1990 |
|---|---|
| Factory Specifications: | Luquillo, Puerto Rico. |
| Certifications: |
|
10. Senra Systems
Senra Systems is a new business, but being founded by former SpaceX engineers and running with a team of industry veterans means they’re already at a similar level to many companies much older than they are.
Aside from their highly qualified and experienced people, they’re also heavy on advanced automation and proprietary software. This upmarket tech allows them to offer much faster lead times than most others. Ideal for companies who need an aerospace wire harness manufacturer that balances quality and speed.
| Pros | Cons |
|---|---|
| ✅ Advanced automation and proprietary software solutions compress production timelines from months to weeks. | ❌ Founded in 2023, making it extremely new with limited operational track record. |
| ✅ Team combines decades of aerospace wire harness expertise with industry leading certifications, including IPC/WHMA-A-620 and NASA-STD-8739.4. | |
| ✅ Partnered with nearly every leading aerospace and defense company, including Anduril, and serves Fortune 500 manufacturers across multiple sectors. |
Key Specs
| Year Founded: | 2023 |
|---|---|
| Factory Specifications: | 15,000 square foot facility in Redondo Beach, California. |
| Certifications: |
|
11. Omega Leads. Inc
Omega Leads offers turnkey aerospace cable assemblies & wire harnesses from Santa Monica, CA. They emphasize that their products are made in the USA, which appeals to domestic programs and ITAR-sensitive work.
With 55+ years in contract manufacturing and a long MIL/aerospace history, Omega is a steady option for avionics box builds and ship-set wire harnesses where responsive local supply is a priority.
| Pros | Cons |
|---|---|
| ✅ All manufacturing performed in the USA using state-of-the-art, computer-controlled, robotic equipment, supporting domestic supply chain preferences. | ❌ Approximately 20 employees in a single location, which means they may not be suitable for high-volume production runs. |
| ✅ Works with trusted manufacturers including Amphenol, Deutsch, ITT Cannon, Positronics and TE Connectivity. | |
| ✅ Incorporates IPC/WHMA-A-620 quality program and is ISO compliant with RoHS compliant production facility. |
Key Specs
| Year Founded: | 1961 |
|---|---|
| Factory Specifications: | Santa Monica, California. |
| Certifications: |
|
Final Thoughts
Choosing an aerospace wire harness manufacturer comes down to picking one that suits your exact needs. These 10 each have something different to offer, and all offer prototyping services which can help you narrow down your selection.
Get a free quote from Cloom Tech in the meantime to get an idea of how your project can go from concept to reality in as short a time as possible.
Back to Top: Top 11 Aerospace Wire Harness Manufacturers
