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Sigma Design 480

Build

U.S. Based Custom Manufacturing Services

From rapid prototypes to high-volume manufacturing

Our build expertise covers a range of custom manufacturing needs, from cable assembly, fabrication & machining, product assembly, and protoduction - or extending our prototyping into short-run manufacturing and volume builds. Together, our co-located design, engineer and build teams can scale your next product from concept through production.

Why Build With Sigma?

This co-location fosters agility and allows us to effectively own a significant portion of the supply chain internally. This dynamic team tackles diverse tasks across all build types, with expertise in world-class machining, fabrication, and assembly. Our integrated approach delivers comprehensive product build solutions — from initial concept development to final product delivery.

Prototype Clamp

Our flexible approach meets customer demands while maintaining high standards, making Sigma Design a trusted partner for efficient prototyping and small-batch product build solutions.

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With all services co-located, Sigma Design ensures close collaboration between teams, quick feedback loops, and streamlined communication — resulting in faster project timelines and higher product quality.

Engineer working on project in lab

If you've built a few units, gathered data, made improvements, and need to accelerate field test units, your project may be a perfect fit for our Protoduction build team.

Custom Manufacturing FAQs

Yes, capable custom manufacturers typically handle the complete journey from initial prototypes through full production, providing continuity and accumulated knowledge throughout product development. This end-to-end capability offers significant advantages as teams familiar with prototype development understand design intent, performance requirements, and potential challenges when transitioning to production. This is where Sigma Design really excels since all capabilities are in-house. Manufacturers maintain institutional knowledge about products, avoiding information loss and miscommunication that occurs when transferring between prototype shops and production facilities. Engineering insights gained during prototyping directly inform production process development, identifying efficient manufacturing methods and potential cost optimizations.

As our client, you will work with single points of contact rather than coordinating between multiple vendors, simplifying project management and communication. Equipment, fixtures, and tooling developed during prototyping often transition to production use, reducing duplication and costs. Sigma Design has literally developed tooling in the thousands. Quality standards and testing procedures established during prototype validation continue into production, ensuring consistency. This integrated approach accelerates time to market by eliminating handoff delays between prototype and production vendors. Our clients benefit from because Sigma Design is invested in product success across all development phases. This differentiates us compared with vendors focused narrowly on individual project segments without broader product context or long-term relationship incentives.

Custom manufacturing typically has higher per-unit costs than mass production due to smaller volumes, specialized processes, and greater flexibility, but offers significant total cost advantages for appropriate applications. Per-unit costs for custom manufacturing generally run 20-50% higher than equivalent mass-produced items when comparing only manufacturing expenses. This reflects lower production volumes that cannot achieve mass production economies of scale. However, custom manufacturing eliminates or substantially reduces many costs that mass production requires: expensive dedicated tooling, large minimum order quantities tying up working capital, warehousing for large inventories, and risk of obsolete inventory from design changes or market shifts.

Your company can avoid upfront investments in manufacturing infrastructure, specialized equipment, and trained production personnel. Total cost of ownership often favors custom manufacturing for production volumes below several thousand units annually, particularly when considering inventory carrying costs, obsolescence risks, and capital preservation. Custom manufacturing converts fixed costs to variable costs aligned with actual demand, improving cash flow and reducing financial risk. For innovative products or uncertain markets, custom manufacturing's flexibility and lower total investment typically provides better economics than premature commitment to high-volume production infrastructure. At Sigma Design, we specialize in custom products and industries where relatively complex, lower-volumes are desired by our clients in aerospace, custom electronics, and UAVs.

Aerospace companies rely heavily on custom manufacturing for specialized components meeting strict regulatory requirements and performance specifications under extreme conditions. Defense contractors use custom manufacturing for limited production runs of advanced systems requiring high security and precision.

Consumer electronics companies leverage custom manufacturing when developing innovative products or testing new market segments before committing to mass production. Semiconductor manufacturers need custom electro-mechanical equipment and specialized tooling produced in limited quantities. Medical device companies use custom manufacturing to produce regulated products requiring extensive documentation and quality control.

Industrial automation providers create custom equipment tailored to specific customer processes and integration requirements. Agricultural technology developers build specialized machinery for particular farming applications. Health and wellness companies produce devices serving niche medical conditions or specialized clinical applications. Uncrewed systems manufacturers create vehicles with integrated electronics, propulsion, and control systems.

These industries share characteristics of technical complexity, specialized requirements, modest production volumes, and markets where customization and quality outweigh economies of scale. These areas are where Sigma Design can help! We currently are helping customers in all these industries.

Manufacturing in the USA offers stringent quality control, substantially reduced lead times, and exceptional market responsiveness compared to offshore manufacturing alternatives. Companies benefit from easier communication with manufacturing teams, eliminating language barriers and time zone complications that can delay problem resolution. Intellectual property receives better protection under US legal frameworks, critical for companies with proprietary technologies or competitive advantages.

Domestic manufacturing enables convenient facility visits for quality oversight, design reviews, and collaborative problem-solving without international travel expenses and time commitments. Companies eliminate long international shipping times, reducing supply chain complexities and inventory holding costs while enabling faster response to market demand changes. Regulatory compliance becomes simpler when products are manufactured domestically, particularly for industries with strict government requirements. Domestic manufacturing supports rapid design iterations, allowing engineering teams to work directly with production personnel to refine designs based on manufacturing insights, ultimately accelerating time to market while maintaining quality standards and protecting sensitive intellectual property.

Need assistance with custom manufacturing, product assembly, or prototyping? Our product build team can help.

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