• Your success is our business.
  • For 30 years, electronics manufacturers around the world have trusted CheckSum to test their products. We take this responsibility seriously and are working to earn that trust for the next 30 years.

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CheckSum’s world-class customers come from a wide variety of industries around the world, such as contract manufacturers (CMs & EMS), automotive, industrial, components, computer, communications, power supplies, and medical. Following are just some of the many satisfied CheckSum customers.