Assembly, Integration & Value-Added Services

Find Testing & Validation Suppliers
on TandemOne

The sourcing platform buyers use to find verified testing and validation partners for functional test, ESS, and fixture development. Free to start.

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The TandemOne Platform

Find testing and validation partners set up for your product

Test strategy is the difference between a product that ships with confidence and one that generates field returns. Finding a test and validation partner with the right fixture development capability, environmental test equipment, and failure analysis depth for your product takes more than a web search. TandemOne profiles verified testing and validation suppliers by test hardware capability, environmental test equipment, and industry experience so buyers can identify the right partner before committing to fixture development or test plan design.

Why TandemOne

Why buyers source testing and validation on TandemOne

Test Infrastructure Profiled at the Equipment Level

NI, Keysight, and custom fixture capability, environmental chambers, vibration tables, and HALT/HASS capability are captured so you can assess whether a supplier's equipment matches your test requirements.

Standard-Specific Capability Surfaced

MIL-STD-810, IEC 60068, and customer-specific test plans are surfaced in supplier profiles so you find partners who have executed your test standard before.

Structured RFIs That Communicate Test Complexity

Product type, test sequence, applicable standards, fixture complexity, and capacity requirements go into one inquiry so suppliers can respond with genuine program assessments.

Free for Buyers

TandemOne is always free for buyers.

Verified Suppliers

What verified testing and validation suppliers on TandemOne offer

  • Functional test development and execution for electronics, assemblies, and systems
  • Environmental stress screening (ESS) including temperature cycling, vibration, and humidity
  • Burn-in testing for reliability screening and early-life failure elimination
  • Custom test fixture design and build using NI, Keysight, and custom test hardware
  • HALT and HASS testing for design margin characterization and production process validation
  • Failure analysis and corrective action support for yield and reliability improvement
Who Uses TandemOne for This

Built for industrial buyers, not just browsers

Electronics engineers and quality managers at OEMs and contract manufacturers who need a specialized test partner to develop a test strategy during NPI, provide surge test capacity during production ramp, or execute environmental qualification testing without investing in in-house equipment.

For Buyers
Find testing and validation suppliers, free

Send a Structured RFI to verified testing and validation suppliers on TandemOne. Compare responses, evaluate capability profiles, and connect directly at no cost.

Send a Structured RFI →
For Suppliers
Are you a testing and validation supplier?

Join TandemOne to get in front of verified industrial buyers actively sourcing testing and validation capabilities. Build your supplier profile and start receiving Structured RFIs.

Join as a Supplier →
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Pre-RFQ supplier discovery for industrial manufacturing. Find qualified partners before RFQs begin.

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