Overview

Circuit Check Inc. designs and manufactures custom automated test systems, test fixtures, and test automation solutions for electronics, founded in 1979 and headquartered in Maple Grove, Minnesota. The company employs roughly 200 to 500 people, with an estimated revenue band of $10 to $50 million, and is privately held. It serves automotive, electric vehicle, electronics, appliance, medical, and military-defense manufacturers. In 2026 it announced a strategic investment in QualityLine to add AI-powered factory analytics to its test systems.

At a glance

What Circuit Check Inc. makes

The company holds ISO 9001 certification and ITAR registration, and it was certified for Canadian defense manufacturing under the US/Canada Joint Certification Program in April 2026.

Products and capabilities described on the company's own site include Electronics, Thermal Management, LED, Machining, Assembly, PCB (source: circuitcheck.com).

Certifications

Circuit Check Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 9001 — circuitcheck.com

• ITAR registered — circuitcheck.com

Latest developments

• 2026-10-06 — Circuit Check Makes Strategic Investment in QualityLine, Bringing AI-Powered Factory Analytics to Every Circuit Check Test System (prnewswire.com)

• 2026-10-06 — Circuit Check Announces AI-Factory-Floor Analytics Initiative Featuring Isolated Networks StealthFusion - Isolated Networks (isolatednetworks.com)

• 2026-10-02 — Connecting Test Data to Action: The QualityLine and Circuit Check Partnership - Quality Line (quality-line.com)

• 2026-09-30 — Bringing Together Circuit Check Test Systems and NI Technology (circuitcheck.com)

• 2026-04-29 — Circuit Check is Certified for Canadian Defense Manufacturing under US/Canada Joint Certification Program (JCP) (circuitcheck.com)

• 2025-09-29 — Phase one of Circuit Check’s facility improvement project is complete! Get ready for more to come. (linkedin.com)

Company details

The company is privately held and reports operations across several countries, including Canada, Mexico, the United Kingdom, China, and Malaysia, though no named customers are reported in the record. Circuit Check Inc. was founded in 1979, has an estimated 200-500 employees, and is headquartered in Maple Grove, Minnesota. On the LightSource stability read it is rated "Established & active": 47 years in operation (founded 1979). Holds ISO 9001, ITAR registered certification(s) per public sources.

Frequently asked questions

What does Circuit Check Inc. make?

Circuit Check Inc. designs and manufactures custom automated test systems, test fixtures, and test automation solutions for electronics, founded in 1979 and headquartered in Maple Grove, Minnesota. The company employs roughly 200 to 500 people, with an estimated revenue band of $10 to $50 million, and is privately held. It serves automotive, electric vehicle, electronics, appliance, medical, and military-defense manufacturers. In 2026 it announced a strategic investment in QualityLine to add AI-powered factory analytics to its test systems.

Where is Circuit Check Inc. headquartered?

Circuit Check Inc. is headquartered in Maple Grove, Minnesota (6550 Wedgwood Rd N, Maple Grove, Minnesota, 55311-3640).

When was Circuit Check Inc. founded?

Circuit Check Inc. was founded in 1979.

How big is Circuit Check Inc.?

Circuit Check Inc. has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).

What certifications does Circuit Check Inc. hold?

Circuit Check Inc. lists ISO 9001 · ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.