--- title: About CheckSum | Production Test Systems, Fixtures, and Support description: Learn about CheckSum, a production test partner providing test systems, fixtures, software, and support for high-volume PCBA manufacturers. image: https://www.checksum.com/hubfs/Featured%20Image%20Our%20Company.png --- [Skip to the main content.](https://www.checksum.com/about-checksum#main-content) [![CheckSum Logo + Checkmark White Transp](https://www.checksum.com/hs-fs/hubfs/CheckSum%20Logo%20+%20Checkmark%20White%20Transp.png?width=1920&height=212&name=CheckSum%20Logo%20+%20Checkmark%20White%20Transp.png "CheckSum Logo + Checkmark White Transp")](https://checksum.com?hsLang=en) [![](https://www.checksum.com/hs-fs/hubfs/CheckSum%20with%20Check%20mark%20-Black%20-662x111px.png?width=588&height=164&name=CheckSum%20with%20Check%20mark%20-Black%20-662x111px.png)](https://checksum.com?hsLang=en) - [Solutions](https://www.checksum.com) - [ILS-X2 Dual Panel Automated Test System](https://www.checksum.com/ils-x2-dual-panel-automated-test-system) - [12KN Off-Line Test System](https://www.checksum.com/12kn-off-line-test-system) - [ICT - In Circuit Test](https://www.checksum.com/in-circuit-test-systems) - [ISP - MultiWriter™](https://www.checksum.com/in-system-programming) - [PFT - Parallel Functional Test](https://www.checksum.com/parallel-functional-test) - [Fixturing Solutions](https://www.checksum.com/fixturing-solutions) - [The Parallel Advantage](https://www.checksum.com/parallel-test-advantage) - [Resources](https://www.checksum.com) - [Software Updates](https://www.checksum.com/software-updates) - [Terms and Conditions](https://www.checksum.com/terms-and-conditions) - [Privacy Policy](https://www.checksum.com/privacy-policy) - [End User License Agreement](https://www.checksum.com/end-user-license-agreement) - [Contact Us](https://www.checksum.com) - [Contact 1-Call™ Support](https://www.checksum.com/contact-1-call-support) - [Contact Sales](https://www.checksum.com/contact-sales) - [Our Company](https://www.checksum.com/about-checksum) - [About Us](https://www.checksum.com/about-checksum) - [News and Trade Events](https://www.checksum.com/news-and-events) - [Careers](https://www.checksum.com/careers) Search [![Contact Us](https://hubspot-no-cache-na2-prod.s3.amazonaws.com/cta/default/47306464/interactive-291003091642.png)](https://www.checksum.com/hs/cta/wi/redirect?encryptedPayload=AVxigLKBP0peyJKExGEHnJYtyb5zve2QRc%2BBTluV2%2FLCcArfFdWCrjyDInlN3DMcpa%2BwhjOP9aAIq0diZnodroMuTI6N3zGf%2FXDYtsnNKbto2ltnqNXbxMqi90bJ6pfjYIvS0lEvyTg5n5wyZUS%2FegBlB4OEbL8Eq7DmGu8Kt410SjzdvtVvC589u2iboQ%2Ff0GYOdBIjaxb4gFewGWIgH7k%3D&webInteractiveContentId=291003091642&portalId=47306464&hsLang=en) Toggle Menu Search Toggle Menu [![Contact Us](https://hubspot-no-cache-na2-prod.s3.amazonaws.com/cta/default/47306464/interactive-291003091642.png)](https://www.checksum.com/hs/cta/wi/redirect?encryptedPayload=AVxigLKBP0peyJKExGEHnJYtyb5zve2QRc%2BBTluV2%2FLCcArfFdWCrjyDInlN3DMcpa%2BwhjOP9aAIq0diZnodroMuTI6N3zGf%2FXDYtsnNKbto2ltnqNXbxMqi90bJ6pfjYIvS0lEvyTg5n5wyZUS%2FegBlB4OEbL8Eq7DmGu8Kt410SjzdvtVvC589u2iboQ%2Ff0GYOdBIjaxb4gFewGWIgH7k%3D&webInteractiveContentId=291003091642&portalId=47306464&hsLang=en) - [Solutions](https://www.checksum.com) - [ILS-X2 Dual Panel Automated Test System](https://www.checksum.com/ils-x2-dual-panel-automated-test-system) - [12KN Off-Line Test System](https://www.checksum.com/12kn-off-line-test-system) - [ICT - In Circuit Test](https://www.checksum.com/in-circuit-test-systems) - [ISP - MultiWriter™](https://www.checksum.com/in-system-programming) - [PFT - Parallel Functional Test](https://www.checksum.com/parallel-functional-test) - [Fixturing Solutions](https://www.checksum.com/fixturing-solutions) - [The Parallel Advantage](https://www.checksum.com/parallel-test-advantage) - [Resources](https://www.checksum.com) - [Software Updates](https://www.checksum.com/software-updates) - [Terms and Conditions](https://www.checksum.com/terms-and-conditions) - [Privacy Policy](https://www.checksum.com/privacy-policy) - [End User License Agreement](https://www.checksum.com/end-user-license-agreement) - [Contact Us](https://www.checksum.com) - [Contact 1-Call™ Support](https://www.checksum.com/contact-1-call-support) - [Contact Sales](https://www.checksum.com/contact-sales) - [Our Company](https://www.checksum.com/about-checksum) - [About Us](https://www.checksum.com/about-checksum) - [News and Trade Events](https://www.checksum.com/news-and-events) - [Careers](https://www.checksum.com/careers) ## **A Trusted Partner for Modern Production Test** **For nearly 40 years, CheckSum has helped electronics manufacturers improve throughput, increase coverage, and strengthen production control with test systems, fixtures, software, and worldwide support.** ## Trusted by High-Volume ## PCBA Manufacturers Worldwide CheckSum helps electronics manufacturers improve throughput, increase coverage, and strengthen production control with test systems, fixtures, software, and worldwide support. We understand the realities of modern manufacturing, where test has to keep pace with output, deliver meaningful coverage, and support production without becoming the bottleneck. **Our solutions are designed for real production environments, combining test systems, fixtures, software, process integration, and applications support into a complete production test approach.** From initial review through implementation and long-term support, CheckSum works with our customers to build test strategies that improve efficiency, reduce risk, and support long-term manufacturing success. - Nearly 40 Years of Test Electronics Manufacturing Experience - Over 4,000 Systems Installed Globally - Billions of Boards Tested and Devices Programmed - Test Systems, Fixtures, Software, and Worldwide Support - Focused on Real Production Performance and Long-Term Customer Success ## Complete Production Test Solutions   CheckSum provides more than a standalone test platform. **We deliver the tools and support needed to build and sustain production-ready test processes.**  - Test Systems Production Test Systems Designed to Improve Throughput, Increase Coverage, and Support Modern Manufacturing Requirements. - Fixtures Fixture Solutions Built for Repeatability, Reliability, and the Needs of Real Production Environments. - Software and Development Programming, Test Development, and Application Support to Help Customers Move from Concept to Production with Confidence. - Traceability and Process Integration Solutions that Help Connect Test Results, Production Flow, and Process Visibility Across Manufacturing. - Worldwide Support Training, Service, and Ongoing Support to Help Customers Maintain Performance over the Long Term. ![ILS-X2 12kN Group Transp](https://www.checksum.com/hs-fs/hubfs/ILS-X2%2012kN%20Group%20Transp.png?width=1920&height=1080&name=ILS-X2%2012kN%20Group%20Transp.png) ## Built for Long-Term Production Success   **CheckSum’s approach is grounded in practical engineering, production experience, and long-term customer support.** We work closely with customers to understand their product, process, throughput goals, traceability requirements, and test needs, then help develop solutions that fit real factory conditions. That means thinking beyond the test system itself. A strong production test solution depends on the full process: system capability, fixture design, software, process integration, traceability, documentation, implementation, and support after installation. Our goal is to help customers build test processes that are reliable, scalable, and aligned with the demands of production.   ![Checksum-Production-1024x576-1](https://www.checksum.com/hs-fs/hubfs/Checksum-Production-1024x576-1.png?width=1024&height=576&name=Checksum-Production-1024x576-1.png) ## The Team Behind the Solutions   **CheckSum brings together hardware engineering, software development, applications engineering, mechanical design, manufacturing, and support to deliver production test solutions that are robust, reliable, and easy to use.**  Our teams work together to build platforms, fixtures, software, and support processes that are designed to work as a complete system in real production environments. That cross-functional approach helps customers move from project evaluation to implementation and long-term production support with confidence.  It also reflects the kind of company CheckSum is: practical, technically grounded, collaborative, and focused on delivering solutions that work. ![Checksum-Engineering-1024x576-1](https://47306464.fs1.hubspotusercontent-na2.net/hub/47306464/hubfs/Checksum-Engineering-1024x576-1.png?width=1200&length=1200&name=Checksum-Engineering-1024x576-1.png) ![Checksum-Technician-1024x576](https://47306464.fs1.hubspotusercontent-na2.net/hub/47306464/hubfs/Checksum-Technician-1024x576.png?width=1200&length=1200&name=Checksum-Technician-1024x576.png) ![Checksum-Training 1024x576](https://47306464.fs1.hubspotusercontent-na2.net/hub/47306464/hubfs/Checksum-Training%201024x576.png?width=1200&length=1200&name=Checksum-Training%201024x576.png) ![Checksum-NEPCON-1024x576](https://47306464.fs1.hubspotusercontent-na2.net/hub/47306464/hubfs/Checksum-NEPCON-1024x576.png?width=1200&length=1200&name=Checksum-NEPCON-1024x576.png) ![Checksum-Interview-1024x576](https://47306464.fs1.hubspotusercontent-na2.net/hub/47306464/hubfs/Checksum-Interview-1024x576.png?width=1200&length=1200&name=Checksum-Interview-1024x576.png) ![Productronica 2025-1](https://47306464.fs1.hubspotusercontent-na2.net/hub/47306464/hubfs/Productronica%202025-1.png?width=1200&length=1200&name=Productronica%202025-1.png) ## Our Location   **CheckSum LLC** **6108 188th Street Northeast** **Suite B800** **Arlington, WA 98223**   **Tel: +1 (360) 435-5510**  ![Engineers reviewing PCBA test analysis and throughput data](https://www.checksum.com/hs-fs/hubfs/Project%20Analysis%20PCB%20Discussion%20C-2.png?width=1101&height=720&name=Project%20Analysis%20PCB%20Discussion%20C-2.png) ## Free Test Analysis ### Learn How Parallel Test Changes the Math On Your Project   With CheckSum's **Free** **Test Analysis**, you get real test process insights -- on your application -- with no obligation. **What You Get:** ✅ Verified Cycle Time Improvements ✅ Throughput and Efficiency Projections ✅ ROI Projections Specific to your Application     [Request a Free Project Analysis](https://www.checksum.com/checksum-project-analysis-request?hsLang=en) [![Checksum Logo + Checkmark Vector Solid transp](https://www.checksum.com/hubfs/Checksum%20Logo%20+%20Checkmark%20Vector%20Solid%20transp.png)](https://www.checksum.com?hsLang=en) © 2026 CheckSum All Rights Reserved [Linkedin](https://www.linkedin.com/company/checksum-llc)[YouTube](https://www.youtube.com/@checksum2327) **P +1.360.435.5510**  **6108 188th St. NE** **Suite B800** **Arlington, WA** **98223** **![Footer Background B-1](https://www.checksum.com/hs-fs/hubfs/Footer%20Background%20B-1.png?width=1920&height=216&name=Footer%20Background%20B-1.png)** Return to top