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Electrical Test Instruments, LLC (ETI) is a leader in the calibration, repair, and manufacturing of electrical test and measurement equipment. We specialize in onsite calibration service at our customers'​ facilities nationwide as well as the manufacturing of portable high-current circuit breaker test sets. ETI is an ISO 9001:2015 accredited business. Our customers include acceptance testing businesses, municipalities, data centers, utilities, Fortune 500 companies, universities, and electrical contractors of all shapes and sizes. Contact us at general@electricaltestinstruments.com for your calibration and electrical test equipment needs.

Electrical Test Instruments Questions

The Electrical Test Instruments annual revenue was $4 million in 2026.

22 people are employed at Electrical Test Instruments.

Electrical Test Instruments is based in New Windsor, Maryland.

The NAICS codes for Electrical Test Instruments are [33, 334].

The SIC codes for Electrical Test Instruments are [382, 38].

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