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    Top 10 Contract Manufacturing Service Companies - 2021

    From large original equipment manufacturers (OEM) to lean startups, manufacturing organizations of all sizes and types stand to benefit from contract manufacturing services today. Contract manufacturing services companies free up the resources of manufacturers, enabling them to leverage their strengths in research, strategy, marketing, and other domains. Whether it is design-and-build or build-to-print manufacturing, contract manufacturing services companies provide a diverse range of turnkey services today that can modernize production. The expertise of contract manufacturing services companies in delivering assemblies or finished products further empowers OEMs in boosting their time-to-market, return on investment (ROI), and competitive edge.

    Digitalization is now playing a pivotal role in enhancing this collaboration of OEMs and contract manufacturing services companies. For instance, digitalization is transforming the way products are designed and manufactured by popularizing the manufacturing-as-a-service model, where OEMs and manufacturing services companies can utilize a shared network of manufacturing infrastructure to produce goods. It is having a significant impact on bringing down the manufacturing costs even more and increasing the ROI of OEMs further.

    On that front, contract manufacturing services companies continue to develop and expand their services to keep pace with the ever-evolving market. For instance, many contract manufacturers are now incorporating artificial intelligence (AI) and other cutting-edge technologies like 3D printing and the internet of things (IoT) with the intention of speeding up their overall production time.

    At this juncture, there is a variety of contract manufacturing services companies available in the market that caters to the different production needs. To help OEMs choose the company that best fits their requirement, Manufacturing Outlook has compiled a list of the top 10 contract manufacturing services companies. The enlisted companies are the frontrunners in the market that provide a wide span of features. Besides, the magazine also comprises insights from thought leaders in the sector on the industry trends, best practices, recent innovations, and their advice for aspiring CIOs.

    We present to you Manufacturing Outlook’s, “Top 10 Contract Manufacturing Services Companies – 2021.”

      Top Contract Manufacturing Service Companies

      VTech Communications Limited
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      VTech Contract Manufacturing is a leading Hong Kong-based EMS company that provides comprehensive electronics design and product management services to OEMs. Founded in 1993 as a subsidiary of VTech Holdings Limited, VTech CMS has track record of offering the highest quality electronic manufacturing solutions ranging from printed circuit boards to full turn-key products. VTech CMS’ primary focus is on satisfying unique customer needs and ensuring minimal downtime despite the global shifts in demand patterns and a changing competitive landscape. The company maintains the highest level of customer focus through its use of Strategic Business Unit (SBU) management structure ... read full profile
      Surface Art Manufacturing
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      Founded in 1994 and based in San Jose, CA, Surface Art Manufacturing has driven growth based on the twin pillars of quality and customer-centricity. It is a leading provider of electronics manufacturing services (EMS) offering a full range of Printed Circuit Board Assembly (PCA) and mechanical assembly for prototype, pre-production, and production assemblies to a broad range of companies and industries. The company works with a range of companies regardless of their size. It could be start-up that develop or introduce new products or established organizations that require the collaboration, quality, and service of a domestic contract manufacturer— Surface Art Manufacturing serves all of them! ... read full profile
      Smart Sourcing
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      Smart Sourcing is a leading full-service outsourcing and consulting organization that specializes in helping manufacturers meet their global manufacturing and product development needs. To do this, the company has created a system that offers cradle-to-grave solutions to manufacturers, ranging from managing their product design and development, full-scale production, quality control, and more importantly logistics. SSI’s experience and extensive global manufacturing infrastructure provides both a strategic and cost-effective benefit to their customers. The company works side by side with their customers, effectively ‘eliminating risk and exposure’ in the contract manufacturing process. ... read full profile
      D&K Engineering
      D&K Engineering provides Total Commercialization Solutions® for products and instruments that have high innovation content and complex manufacturing lifecycles. Its capabilities span the entire product lifecycle, including requirements definition, systems architecture, concept creation, design, prototyping, manufacturing, and after-market support. From Fortune 100 to early-stage startups, its clients leverage D&K’s infrastructure and TCS approach to evolve hardware, systems and product ideas through all development stages and into stable manufacturing. Its experience-driven engineering, manufacturing and supply chain services get products to market faster with a lower overall cost of development, providing a significant competitive advantage for its customers. It is headquartered in San Diego, California, and has additional development and manufacturing sites in Singapore and Malaysia
      FLEX
      FLEX is a manufacturing partner of choice that helps a diverse customer base design and build products that improve the world. The company's purpose is to make great products for its customers that create value and improve people's lives. Through the collective strength of a global workforce across 30 countries and responsible, sustainable operations, the company delivers technology innovation, supply chain, and manufacturing solutions to various industries and end markets
      Keytronic
      Keytronic is a value-added contract manufacturer to some of the world’s leading OEMs, and it specializes in PCB assembly, plastic molding, and full product assembly with products ranging from simple consumer devices to complex, high end commercial and industrial electromechanical products. KeyTronicEMS is one of very few contract manufacturers in the $100 to $500 million dollar annual revenue range with primary manufacturing locations in both Mexico and China. There are even less companies this size that can match KeyTronicEMS’s combination of off-shore world class PCB assembly, plastic molding, and final product assembly all under the same roof
      Kimball Electronics
      Kimball Electronics is a leading contract manufacturer of durable goods electronics serving a variety of industries on a global scale. Kimball Electronics continues to make the customer the focus of everything we do. The company's touch is felt throughout daily life via the markets it serves: Automotive, Industrial, Medical and Public Safety. Recognized with a reputation for excellence, Kimball Electronics is committed to a high-performance culture that values personal and organizational commitment to quality, reliability, value, speed, and ethical behavior. Its employees know they are part of a corporate culture that builds success for customers while enabling employees to share in the Company’s success through personal, professional, and financial growth
      MFI International
      Established in 1962, as a manufacturer of sewn vacuum cleaner filters, MFI set out to provide the highest quality of service to its clients. Today, MFI is a top tier North American contract manufacturer and designer of premium products for the mattress and home furnishings industry. For over fifty-years it has created value for its partners at every phase in the manufacturing and fulfillment process. The company can help clients gain a competitive advantage while reducing barriers to growth and profitability
      Prince Manufacturing
      Prince Manufacturing is a contract manufacturing company that focuses on eliminating waste in the customer's supply chain by providing fabrication, forming, coating and finishing, assembly, packaging and distribution of metal, composites, and other products. Services are provided in a multitude of industries with locations in the Midwest, Southeast, Southwest and Mexico. Its processes include Metal fabrication, (laser, turret, stampings, pressbrake) Coatings (Electrodeposition: Ecoat powder Coat, wet spray, solvent and waterborne paint) Assembly: welding, riveting and many more
      Zober Industries
      An American contract manufacturer since 1970, Zober helps clients eliminate the cost, overhead, risk and hassles of coordinating multiple processes through a number of vendors. Zober Industries, Inc.is an one-stop source for custom manufacturing: Printed Circuit Assembly, Electro-Mechanical Assembly, CNC Machining, Sheet Metal Fabrication and complete Engineering and Design

    Contract Manufacturing Info

    Q1
    What Do Top Contract Manufacturing Companies Do?
    Top Contract Manufacturing Companies produce goods, components or finished assemblies for brands that do not want to build or expand in-house production capacity. Their work can cover sourcing, prototyping, fabrication, assembly, packaging, testing, documentation and production transfer. For manufacturers, contract manufacturing services are not just extra capacity. They can provide specialized equipment, trained labor, regulated process control and supplier coordination. Strong contract manufacturing companies also help customers move from design intent to repeatable production without losing control of quality, cost or delivery schedules.
    Q2
    Why Do Contract Manufacturing Companies Matter Now?
    Top Contract Manufacturing Companies matter because many manufacturers face tight labor pools, tariff uncertainty, reshoring decisions, demand swings and pressure to launch products faster. Building a new plant or adding a production line is expensive and slow. Manufacturing outsourcing gives organizations a way to add capacity, test a product category or reduce supplier concentration without committing to fixed assets too early. Demand is also shaped by shorter product cycles, private-label growth, electronics complexity, medical device requirements and the need for closer coordination between engineering and production teams.
    Q3
    How Should Manufacturers Evaluate Contract Manufacturing Providers?
    A good evaluation starts with fit, not scale alone. Buyers should examine process depth, engineering support, production tolerances, quality systems, supplier controls, capacity planning and documentation discipline. Contract manufacturing providers should be able to explain how they handle design changes, material shortages, inspection failures and volume shifts. Site audits remain important because brochures rarely reveal floor-level habits. For regulated or precision categories, buyers should also review traceability, calibration records, nonconformance handling and how quickly management teams respond when production data shows a problem.
    Q4
    What Business Value Can Contract Manufacturing Services Deliver?
    Top Contract Manufacturing Companies can reduce capital exposure, shorten the path from prototype to production and give manufacturers access to process knowledge they may not maintain internally. The value is often visible in fewer launch delays, steadier output, cleaner quality records and better use of internal engineering teams. Contract manufacturing services can also help organizations keep production closer to customers or diversify supply chains. The gains depend on clear specifications, realistic forecasts and disciplined communication between procurement, engineering, quality and production teams.
    Q5
    How Do Technology and Expertise Shape Contract Manufacturing Performance?
    Technology matters when it improves traceability, inspection speed, scheduling accuracy or production repeatability. Automation, digital work instructions, machine monitoring and ERP integration can help contract manufacturing providers manage complex builds with fewer handoff errors. Still, expertise remains the deciding factor. Skilled teams know when a design is hard to manufacture, when a tolerance will slow throughput or when a supplier substitution could affect product behavior. The strongest manufacturing outsourcing relationships combine technical systems with experienced people who can catch problems before they reach the customer.
    Q6
    What Should Manufacturers Prioritize When Comparing Options?
    Manufacturers comparing Top Contract Manufacturing Companies should prioritize category fit, quality discipline, communication habits and the provider’s ability to scale without losing process control. Price matters, but the lowest quote may become expensive if it creates scrap, missed shipments or rework. Buyers should ask how capacity is reserved, how engineering changes are documented and how disputes are resolved. A practical shortlist balances cost, responsiveness, equipment capability, compliance readiness and cultural fit. Contract manufacturing companies become valuable partners when accountability is clear from the first production run.
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