Communication equipment companies

KDDI Research (株式会社KDDI総合研究所) is a company that manufactures and sells information and communications systems and focuses on technology research and product development related to telecommunication services.

Italtel is an Information & Communication Technology (ICT) corporation that designs, develops and implements solutions for digital transformation.

SK telesys (formerly known as NSI Technology) is a company specialized in producing and supplying communications network systems.

Intracom Telecom (also known as Intracom Single Member) is a company that designs telecommunication systems and provides related services.

Telephonics is a company that provides surveillance, communications, analysis, and integration solutions.

Astrocast is a company that operates a nanosatellite Internet of Things network.

T8 is a provider of wavelength-division multiplexing telecommunication equipment.

Innertron (이너트론) is a company providing RF and microwave solutions for wireless communication networks.

Suirui Technology Group (随锐科技集团股份有限公司) is a company that specializes in video communication and video cloud service technologies.

ShoreTel, Inc. is a telecommunications vendor providing unified communications for business.

Sener Grupo de Ingeniería is a company that develops engineering and technology solutions.

Ciena UK is a company that specializes in optical and routing systems and automation software.