Overview

E-T-A Engineering Technology is a manufacturer of circuit breakers and circuit protection devices, headquartered in Mount Prospect, Illinois, and founded in 1955. It is a division of the German company E-T-A Elektrotechnische Apparate GmbH and reports an estimated 100-200 employees and a revenue band of $100-250 million. The company serves automotive, electric-vehicle, electronics, medical, and industrial-equipment customers, and its product line includes power relays, solid-state controllers, and battery-related power management products.

At a glance

What E-T-A Engineering Technology makes

The company is certified to IATF 16949, ISO 9001, ISO 14001 and ISO 50001, and its catalog covers thermal, thermal-magnetic, electronic and solid-state circuit protection along with power distribution modules.

Products and capabilities described on the company's own site include Assembly, Battery, Battery Management (source: e-t-a.com).

Certifications

E-T-A Engineering Technology is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• IATF 16949 — e-t-a.com

• ISO 14001 — e-t-a.com

• ISO 50001 — e-t-a.com

• ISO 9001 — e-t-a.com

Latest developments

• 2026-10-15 — ATA Engineering to Provide Engineering and Subject Matter Expert Support to NASA Launch Services Program (LSP) Office - ATA Engineering (ata-e.com)

• 2026-08-17 — Transit Press Releases & Awarded Contracts | ETA Transit (etatransit.com)

• 2026-06-10 — ATA Engineering Secures 5-Year Aeronautical Engineering Services Award with Multiple NASA Centers - ATA Engineering (ata-e.com)

• 2026-03-16 — Blog | E-T-A (e-t-a.com)

• 2025-08-06 — Mangalore Special Economic Zone approves ETAG’s state-of-the-art energy solutions production facility - The Hindu (thehindu.com)

• 2025-06-26 — 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐭𝐲 𝐕𝐞𝐡𝐢𝐜𝐥𝐞𝐬 𝐃𝐞𝐦𝐚𝐧𝐝 𝐒𝐦𝐚𝐫𝐭𝐞𝐫 𝐏𝐨𝐰𝐞𝐫 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 | E-T-A Engineering Technology (linkedin.com)

Company details

The company is privately held, with a revenue band of $100-250 million and 100-200 employees; the record does not list named customers. E-T-A Engineering Technology was founded in 1955, has an estimated 100-200 employees, and is headquartered in Mount Prospect, Illinois. On the LightSource stability read it is rated "Established & active": 71 years in operation (founded 1955). Holds IATF 16949, ISO 14001, ISO 50001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does E-T-A Engineering Technology make?

E-T-A Engineering Technology is a manufacturer of circuit breakers and circuit protection devices, headquartered in Mount Prospect, Illinois, and founded in 1955. It is a division of the German company E-T-A Elektrotechnische Apparate GmbH and reports an estimated 100-200 employees and a revenue band of $100-250 million. The company serves automotive, electric-vehicle, electronics, medical, and industrial-equipment customers, and its product line includes power relays, solid-state controllers, and battery-related power management products.

Where is E-T-A Engineering Technology headquartered?

E-T-A Engineering Technology is headquartered in Mount Prospect, Illinois (1551 Bishop Ct, Mount Prospect, Illinois, 60056).

When was E-T-A Engineering Technology founded?

E-T-A Engineering Technology was founded in 1955.

How big is E-T-A Engineering Technology?

E-T-A Engineering Technology has an estimated 100-200 employees, with revenue in the $100-250M range (estimated).

What certifications does E-T-A Engineering Technology hold?

E-T-A Engineering Technology lists IATF 16949 · ISO 14001 · ISO 50001 · ISO 9001 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.