Overview

Global Communication Semiconductors, Inc. is a compound semiconductor wafer foundry headquartered in Torrance, California, founded in 1997. It has an estimated 100-200 employees and an estimated revenue band of $50-100 million, and is privately held. The company manufactures III-V semiconductor devices for wireless, telecommunications, networking, optoelectronics, and photonics markets. In March 2026 it reported receiving PRI certification for ISO 9001:2015 and AS9100D.

At a glance

What Global Communication Semiconductors,Inc. makes

The company offers pure-play wafer foundry services with InGaP HBT, InP HBT, and PHEMT processes, and holds ISO 9001 and AS9100 certifications.

Products and capabilities described on the company's own site include Semiconductor, Battery (source: gcsincorp.com).

Certifications

Global Communication Semiconductors,Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• AS9100 — linkedin.com

• ISO 9001 — linkedin.com

Latest developments

• 2026-11-03 — 環宇-KY(4991) 2026Q4法說會簡報PDF下載 | 11月3日法人說明會 (diveinvest.net)

• 2026-08-05 — Global Communication Semiconductors Holding Co., Ltd. 2026-08-05 Earnings Call (biggo.com)

• 2026-05-05 — 環宇-KY 對重要子公司Global Communication Semiconductors, LLC辦理現金增資 (yahoo.com)

• 2026-05-05 — 環宇-KY(4991) 2026Q2法說會簡報PDF下載 | 5月5日法人說明會 (diveinvest.net)

• 2026-03-02 — GCS achieves PRI Certification for ISO 9001:2015 and AS9100D. | Global Communication Semiconductors, LLC (linkedin.com)

• 2025-06-06 — 環宇-KY(4991) 2025Q2法說會簡報PDF下載 | 6月6日法人說明會 (diveinvest.net)

Facilities

Global Communication Semiconductors,Inc. is headquartered in Torrance, California. Public sources also reference these locations:

• Torrance, CA — gcsincorp.com

Company details

The company is privately held, has an estimated 100-200 employees, and serves automotive, electronics, and industrial equipment industries according to its listed sectors. Global Communication Semiconductors,Inc. was founded in 1997, has an estimated 100-200 employees, and is headquartered in Torrance, California. On the LightSource stability read it is rated "Established & active": 29 years in operation (founded 1997). Holds AS9100, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Global Communication Semiconductors,Inc. make?

Global Communication Semiconductors, Inc. is a compound semiconductor wafer foundry headquartered in Torrance, California, founded in 1997. It has an estimated 100-200 employees and an estimated revenue band of $50-100 million, and is privately held. The company manufactures III-V semiconductor devices for wireless, telecommunications, networking, optoelectronics, and photonics markets. In March 2026 it reported receiving PRI certification for ISO 9001:2015 and AS9100D.

Where is Global Communication Semiconductors,Inc. headquartered?

Global Communication Semiconductors,Inc. is headquartered in Torrance, California (23155 Kashiwa Ct, Torrance, California, 90505).

When was Global Communication Semiconductors,Inc. founded?

Global Communication Semiconductors,Inc. was founded in 1997.

How big is Global Communication Semiconductors,Inc.?

Global Communication Semiconductors,Inc. has an estimated 100-200 employees, with revenue in the $50-100M range (estimated).

What certifications does Global Communication Semiconductors,Inc. hold?

Global Communication Semiconductors,Inc. lists AS9100 · 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.