Overview

Iwatsu Voice Networks is a telecommunications company headquartered in Irving, Texas, United States, founded in 1938. It has an estimated 500-1,000 employees and an estimated revenue band of $100-250 million, and is privately held. As a North American subsidiary of Iwatsu Electric, it supplies business telephone systems and voice over IP and unified communications platforms, serving small, medium-sized and larger enterprises across automotive, electronics, medical and industrial equipment sectors through a network of over 250 authorized dealers.

At a glance

What Iwatsu Voice Networks makes

Its capabilities include IP-PBX, SIP, H.323, TDM and VoIP support, and it holds ISO 9001, ISO 14001 and ISO/TS 16949 certifications.

Certifications

Iwatsu Voice Networks is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — henzstudio.com

• ISO 9001 — iwatsu.co.jp

• ISO/TS 16949 — henzstudio.com

Latest developments

• 2026-08-12 — IWATSU アーカイブ - TELEFAX (tfhp.net)

• 2026-07-01 — 計測事業の統合および新会社設立に関するお知らせ | ニュースリリース | 会社情報 | IWATSU 岩崎通信機株式会社 (iwatsu.co.jp)

• 2026-05-08 — IWATSU Frespec Ⅲ(フレスペック3)発売開始！ | 名和電子株式会社 (meiwa-el.co.jp)

• 2026-04-01 — 経済産業省が定める「DX認定事業者」の認定を更新しました | ニュースリリース | 会社情報 | IWATSU 岩崎通信機株式会社 (iwatsu.co.jp)

• 2025-09-08 — We are very pleased to announce the official opening of our new UK subsidiary! | PMK IWATSU UK Ltd (linkedin.com)

• 2025-09-04 — PMK IWATSU UK Ltd reshared PMK Mess- und Kommunikationstechnik GmbH: We are excited to announce the opening of our new office in the UK! With the General Managers from IWATSU (Japan) and PMK (Germany) present, we are proud to take this important … (linkedin.com)

Company details

It operates as a North American subsidiary of Iwatsu Electric and sells through more than 250 authorized dealers across North America. Iwatsu Voice Networks was founded in 1938, has an estimated 500-1,000 employees, and is headquartered in Irving, Texas. On the LightSource stability read it is rated "Established & active": 88 years in operation (founded 1938). Holds ISO 14001, ISO 9001, ISO/TS 16949 certification(s) per public sources.

Frequently asked questions

What does Iwatsu Voice Networks make?

Iwatsu Voice Networks is a telecommunications company headquartered in Irving, Texas, United States, founded in 1938. It has an estimated 500-1,000 employees and an estimated revenue band of $100-250 million, and is privately held. As a North American subsidiary of Iwatsu Electric, it supplies business telephone systems and voice over IP and unified communications platforms, serving small, medium-sized and larger enterprises across automotive, electronics, medical and industrial equipment sectors through a network of over 250 authorized dealers.

Where is Iwatsu Voice Networks headquartered?

Iwatsu Voice Networks is headquartered in Irving, Texas.

When was Iwatsu Voice Networks founded?

Iwatsu Voice Networks was founded in 1938.

How big is Iwatsu Voice Networks?

Iwatsu Voice Networks has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).

What certifications does Iwatsu Voice Networks hold?

Iwatsu Voice Networks lists ISO 14001 · ISO 9001 · ISO/TS 16949 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.