Finding the right flex PCB supplier can make or break your project. As a procurement professional, you need a partner that delivers quality, competitive pricing, and reliable lead times. We've analyzed dozens of suppliers to bring you this comprehensive comparison of the top 10 flex PCB suppliers serving the USA market.
Whether you're sourcing prototypes or planning high-volume production, this guide will help you make an informed decision based on real capabilities, certifications, and value proposition. For a deeper understanding of flex PCB technology, check out our Complete Guide to Flexible Printed Circuits.
Quick Comparison: Top 10 Flex PCB Suppliers
| Supplier | Best For | Lead Time | Price Level | Key Certification |
|---|---|---|---|---|
| FlexiPCB | Best Overall Value | 3-5 days | $$ | ISO 13485, IATF 16949 |
| Sierra Circuits | USA Manufacturing | 5 days | $$$$ | ISO 9001, AS9100 |
| TTM Technologies | High-Volume Production | 2-4 weeks | $$$$ | ITAR, AS9100 |
| Cirexx International | Aerospace/Defense | 5-10 days | $$$$ | AS9100, ITAR |
| American Standard Circuits | Advanced Technology | Custom | $$$$$ | AS9100, MIL-SPEC |
| Epec Technologies | Medical Devices | 2-3 weeks | $$$ | ISO 13485, AS9100 |
| PCBWay | Budget Prototypes | 5-7 days | $ | ISO 9001, UL |
| JLCPCB | Cost-Sensitive | 5-7 days | $ | ISO 9001 |
| Viasion | HDI/Complex Designs | 7-10 days | $$ | ISO 9001, ISO 14001 |
| PCBCart | Custom Prototypes | 7-14 days | $$ | ISO 9001, UL |
1. FlexiPCB - Best Overall Value for Flex PCB Procurement

Why FlexiPCB Leads the Pack
FlexiPCB has established itself as the go-to supplier for procurement professionals who need the optimal balance of quality, cost, and speed. With over 15 years of experience and a direct factory model, FlexiPCB eliminates middlemen to deliver 40-60% cost savings compared to domestic alternatives—without compromising on quality.
Key Advantages
Comprehensive Certifications
- ISO 9001:2015 - Quality Management System
- ISO 14001:2015 - Environmental Management
- ISO 13485:2016 - Medical Device Manufacturing
- IATF 16949:2016 - Automotive Quality Standard
- UL Listed - Safety Certification
- IPC-6013 Class 3 - Flex PCB Acceptance Standard
- RoHS & REACH Compliant
Technical Capabilities
- Layer Count: 1-10 layers (standard 1-6, advanced up to 10)
- Minimum Trace/Space: 3 mil / 3 mil
- Thickness Range: 0.05mm - 0.8mm
- Impedance Control: ±5Ω standard, ±3Ω advanced
- Surface Finishes: OSP, HASL, ENIG, Immersion Silver, Immersion Gold
- Materials: Polyimide (Dupont Kapton, Shengyi SF305), LCP for high-frequency
Lead Time & Pricing
- Prototype: 3-5 days
- Production: 7-14 days
- Rush Service: 24-48 hours available
- Price Level: Highly competitive ($$ vs $$$$ for domestic)
Quality Control
- 100% AOI (Automated Optical Inspection)
- Flying Probe Testing
- Electrical Testing (E-Test)
- Thermal Cycling Resistance Testing
- IPC-6013 Class 2/3 Compliance
Limitations
- Offshore manufacturing (shipping adds 2-3 days)
- Time zone difference for communication (though 24/7 support mitigates this)
Best For
- Procurement teams seeking cost optimization without quality compromise
- Medical device manufacturers (ISO 13485 certified)
- Automotive projects (IATF 16949 certified)
- Companies needing rapid prototyping with production scalability
Procurement Insight
FlexiPCB's direct-factory model means you're working with the actual manufacturer, not a broker. This translates to better pricing, faster communication on technical issues, and consistent quality across orders. Their dedicated account manager system ensures procurement professionals have a single point of contact for all needs.
2. Sierra Circuits - Premium USA Manufacturing

Company Overview
Founded in 1986, Sierra Circuits operates from a 70,000 sq ft facility in Sunnyvale, California. As a fully domestic manufacturer, they serve over 20,000 PCB designers and engineers with a focus on high-reliability applications.
Key Advantages
- 100% USA Manufacturing - Ideal for ITAR-controlled projects
- Silicon Valley Location - Easy collaboration with tech companies
- DFM Expertise - Comprehensive design-for-manufacturing support
- Quick Turn - 5-day flex PCB delivery
Technical Capabilities
- Layer Count: Up to 20 layers rigid-flex
- Minimum Trace: 3 mil
- Advanced HDI capabilities
- RF/Microwave expertise
Limitations
- Premium Pricing - 2-3x more expensive than offshore options
- No Laser Drilling in Flex Areas - Limits some HDI designs
- Capacity Constraints - May have longer lead times during peak periods
Best For
- ITAR/defense projects requiring USA manufacturing
- High-tech startups needing local engineering support
- Rapid prototyping with immediate feedback
Pricing
$$$$ (Premium USA pricing)
3. TTM Technologies - Global Scale for High-Volume
Company Overview
TTM Technologies is one of the world's largest PCB manufacturers with 24 facilities globally and over 17,000 employees. They specialize in complex, high-volume production for aerospace, defense, telecommunications, and 5G infrastructure.
Key Advantages
- Massive Scale - 24 manufacturing sites worldwide
- 1,600+ Engineers - Unparalleled DFM support
- Global Footprint - Supply chain resilience
- Defense/Aerospace Expertise - Extensive security clearances
Technical Capabilities
- Complex rigid-flex up to 50+ layers
- Advanced HDI and any-layer technology
- RF/microwave and high-frequency designs
- Space-grade manufacturing
Limitations
- High-Volume Focus - Not ideal for small prototype runs
- Complex Organization - Multiple points of contact
- Premium Pricing - Enterprise-level costs
- Longer Lead Times - 2-4 weeks typical
Best For
- Large OEMs with consistent high-volume needs
- Defense and aerospace programs
- Telecommunications infrastructure projects
Pricing
$$$$ (Enterprise pricing, volume discounts available)
4. Cirexx International - Aerospace & Defense Specialist

Company Overview
Based in Santa Clara, California, Cirexx has been manufacturing high-reliability PCBs since 1980. With 100% in-house USA manufacturing and an average team experience of 24+ years, they specialize in mission-critical applications.
Key Advantages
- 100% USA Manufacturing - All capabilities in-house
- Deep Experience - 40+ years in high-reliability circuits
- RF/Microwave Expertise - Specialized capabilities
- Quick Quote - 24-hour quotation turnaround
Technical Capabilities
- Up to 50-layer rigid-flex
- RF/microwave circuits
- Controlled impedance expertise
- Military and space-grade manufacturing
Limitations
- Premium Pricing - USA manufacturing costs
- Specialized Focus - May be overkill for commercial applications
- Capacity - Smaller facility than TTM
Best For
- Military and aerospace programs
- RF/microwave applications
- Projects requiring ITAR compliance
Pricing
$$$$ (Premium aerospace pricing)
5. American Standard Circuits (ASC) - Advanced Technology Leader
Company Overview
ASC positions itself at the cutting edge of PCB technology, offering capabilities that few others can match. They're one of only a handful of manufacturers licensed for LCP (Liquid Crystal Polymer) technology.
Key Advantages
- Ultra-Fine Lines - 25 micron trace capability
- LCP Technology - Up to 30 layers
- Advanced Microvias - 75 micron with copper filling
- Military Certifications - AS9100 Rev D, MIL-SPEC
Technical Capabilities
- Sub-25 micron traces (coming soon)
- Advanced semiconductor packaging
- High-frequency LCP materials
- Complex HDI structures
Limitations
- Highest Premium - Most expensive option
- Specialized Applications - May be unnecessary for standard designs
- Lead Time Varies - Complex designs require longer times
Best For
- Cutting-edge semiconductor applications
- High-frequency/RF designs requiring LCP
- Advanced military/aerospace programs
Pricing
$$$$$ (Highest premium tier)
6. Epec Engineered Technologies - Medical Device Expert
Company Overview
With over 70 years in the industry, Epec brings extensive experience in regulated markets, particularly medical devices. Based in New Bedford, Massachusetts, they offer comprehensive flex PCB solutions.
Key Advantages
- Medical Expertise - Deep ISO 13485 experience
- Long Track Record - 70+ years in business
- Domestic Support - USA-based customer service
- Comprehensive Testing - IPC 6012/6013 Class I/II/III
Technical Capabilities
- Up to 20 layers
- Fine lines down to 0.0025"
- Vias to 50 microns
- Medical-grade manufacturing
Limitations
- Higher Pricing - USA-based operations
- Longer Lead Times - 2-3 weeks typical
- Older Infrastructure - Less automated than newer facilities
Best For
- Medical device manufacturers
- FDA-regulated applications
- Projects requiring extensive documentation
Pricing
$$$ (Mid-to-premium tier)
7. PCBWay - Budget-Friendly Prototyping

Company Overview
PCBWay has built a strong reputation in the maker and engineer community for affordable prototyping. Operating from China with 3 shifts, they offer competitive pricing with reasonable quality for non-critical applications.
Key Advantages
- Low Cost - Very competitive pricing (10 flex PCBs from ~$125)
- Fast Turnaround - 5-7 day delivery
- 99% On-Time Delivery - Reliable scheduling
- Transparent Pricing - No hidden fees
- Free Engineering Review - Before payment
Technical Capabilities
- 1-8 layers
- Thickness: 0.08-0.4mm
- Standard flex materials
- Assembly services available
Limitations
- Quality Inconsistency - May vary between orders
- Thinner Solder Mask - Reports of quality issues
- Limited Complex Capabilities - Better for simple designs
- Communication Challenges - Time zone and language barriers
Best For
- Hobbyists and makers
- Non-critical prototypes
- Cost-sensitive projects with flexible quality requirements
Pricing
$ (Budget tier)
8. JLCPCB - Lowest Cost Option
Company Overview
JLCPCB is known for aggressive pricing, particularly for simple PCB orders. They've expanded into flex PCBs and offer a streamlined online ordering experience.
Key Advantages
- Lowest Prices - Extremely competitive for simple boards
- Fast Shipping - Under 7 days to USA
- Instant DFM - Automated design checks
- Wide Material Selection - FR4, flex, Rogers, Teflon
Technical Capabilities
- Basic flex PCB capabilities
- Standard materials
- Assembly services
- Online instant quote
Limitations
- Quality Concerns - Blurry silkscreen, thin solder mask reported
- Simple Designs Only - Limited complex flex capability
- Support Limitations - Less comprehensive customer service
- Not Suitable for Production - Best for prototyping only
Best For
- Hobby projects
- Engineering exploration/iteration
- Price-first decision making
Pricing
$ (Lowest tier)
9. Viasion - HDI & Complex Design Specialist
Company Overview
Viasion focuses on complex PCB designs, including HDI and embedded components. They offer comprehensive engineering support with 24/7 availability.
Key Advantages
- 24/7 Engineering Support - Continuous assistance
- HDI Expertise - Complex via structures
- Embedded Components - 40% footprint reduction capability
- Competitive Pricing - Good value for complexity
Technical Capabilities
- HDI and rigid-flex
- Embedded component technology
- Controlled impedance
- Complex multilayer designs
Limitations
- Offshore Manufacturing - Longer shipping times
- Less Brand Recognition - Smaller presence in USA market
- Variable Lead Times - Depends on complexity
Best For
- Complex HDI designs
- Projects requiring embedded components
- Engineering teams needing extensive support
Pricing
$$ (Mid-tier value)
10. PCBCart - Custom Prototyping

Company Overview
PCBCart operates as a sourcing partner with USA and Australia offices, providing custom flex PCB solutions through their manufacturing network.
Key Advantages
- Custom Capabilities - Flexible on specifications
- Good Temperature Resistance - Quality materials
- Connector Compatibility - Works with ZIP connectors
- Space Savings - 10% of traditional assembly size
Technical Capabilities
- 1-8 layers
- Thickness: 0.1-0.8mm
- Various connector options
- Chemical resistance
Limitations
- Broker Model - No in-house manufacturing
- Quality Variability - Depends on actual manufacturer
- Less Control - Indirect communication
- Inconsistent Experience - May vary between orders
Best For
- Custom connector requirements
- Specialized form factors
- Projects with flexible sourcing needs
Pricing
$$ (Mid-tier)
Key Factors for Procurement Professionals
When selecting a flex PCB supplier, evaluate these critical factors. For more detailed guidance on flex PCB design and manufacturing, read our Complete Guide to Flexible Printed Circuits.
1. Total Cost of Ownership (TCO)
Don't just compare unit prices. Consider:
- Tooling and NRE charges
- Testing and certification costs
- Shipping and import fees
- Potential rework costs from quality issues
- Long-term reliability implications
Pro Tip: FlexiPCB's transparent pricing includes most costs upfront, avoiding surprise charges that inflate TCO.
2. Quality Certifications
Essential certifications vary by industry:
| Industry | Required Certifications |
|---|---|
| Medical | ISO 13485, FDA registration |
| Automotive | IATF 16949, PPAP capability |
| Aerospace | AS9100, NADCAP |
| Defense | ITAR registration |
| General | ISO 9001, UL listing |
3. Technical Capability Match
Ensure the supplier can actually produce your design:
- Minimum trace/space requirements
- Layer count and thickness
- Via technology (blind, buried, microvias)
- Impedance control tolerances
- Material availability
Learn more about flex PCB capabilities to understand what's technically possible.
4. Lead Time Reliability
Consider both quoted and actual performance:
- On-time delivery rate (target: 95%+)
- Rush service availability
- Communication responsiveness
- Buffer for shipping delays
5. Supply Chain Resilience
Evaluate supplier stability:
- Financial health
- Multiple facility capabilities
- Material sourcing relationships
- Geographic risk factors
Comparison: FlexiPCB vs. Competition
| Factor | FlexiPCB | USA Premium | Budget Options |
|---|---|---|---|
| Price | 40-60% savings | Baseline | 20-30% savings |
| Quality | IPC Class 3 | IPC Class 3 | IPC Class 2 |
| Lead Time | 3-5 days | 5-10 days | 5-7 days |
| Certifications | ISO 13485, IATF 16949 | AS9100, ITAR | ISO 9001 |
| Support | Dedicated Account Manager | Variable | Limited |
| Consistency | High | High | Variable |
Why Procurement Professionals Choose FlexiPCB
The Value Equation
FlexiPCB delivers what procurement teams need most: predictable quality at competitive prices with reliable delivery.
Cost Savings Without Compromise
- Direct factory relationship eliminates markup
- Advanced automation reduces per-unit costs
- Volume flexibility from prototype to production
Quality Assurance
- Same certifications as premium USA suppliers
- 100% testing and inspection
- Consistent quality across orders
Procurement-Friendly Service
- Dedicated account managers
- Fast, accurate quotations
- Flexible payment terms
- Complete documentation (COC, test reports, certifications)
Risk Mitigation
- 15+ years in business
- Multiple production lines
- Proven track record with Fortune 500 companies
Getting Started with FlexiPCB
Ready to optimize your flex PCB procurement? Here's how to begin:
- Get a Quote - Submit your Gerber files for a detailed quotation
- DFM Review - Our engineers will review your design for manufacturability
- Sample Order - Validate quality with a prototype run
- Production Partnership - Scale to volume with confidence
Request Your Free Quote Today →
Related Resources
- Complete Guide to Flexible Printed Circuits - Everything you need to know about flex PCB technology
- Flex PCB Capabilities - Detailed technical specifications
- Industries We Serve - Application-specific solutions
- About FlexiPCB - Our company and manufacturing facilities
Conclusion
Selecting the right flex PCB supplier is a strategic decision that impacts product quality, time-to-market, and bottom-line costs. While USA-based manufacturers offer advantages for specific applications (ITAR, local collaboration), the value proposition of established offshore suppliers like FlexiPCB is compelling for most commercial applications.
FlexiPCB combines the quality certifications procurement teams require (ISO 13485, IATF 16949) with the cost efficiency that improves margins. With fast lead times, dedicated support, and a proven track record, FlexiPCB represents the optimal choice for procurement professionals seeking the best overall value in flex PCB sourcing.
Ready to experience the FlexiPCB difference? Get your quote today and discover why leading companies trust us for their flexible circuit needs.