Founded in 1992, Lempo specializes in the field of communication testing and is a professional testing company integrating R&D, production, agency, sales and service.

EXFO develops smarter test, monitoring and analysis solutions for the global communications industry.

Sumitomo Electric Industries, Ltd., a Fortune 500 company, is engaged in the sale of optical components, fusion splicers, optical instrument products, optical cables, transmission lines, and others.

Narda Security Test Solutions Ltd., established in January 1, 2000, specializes in EMF security, HF spectrum analyzer, EMC receiver production and development.

AETeP is a scientific and innovative company focused on the design of electronic measurement instruments, with the aim of adapting more quickly to the development of communication technology and the needs of the market, and providing field measurement instruments with better cost performance.

FREEDOM Communication Technologies has been the test standard in the field of LMR testing.

Founded in 2001, we are a company specializing in photonics equipment and components, providing high level multimode and fiber performance testing solutions to our customers.

Founded in 1990, the world's leading advanced fiber optic technology company provides industry-leading sensing, test and measurement, monitoring and control products and solutions to customers.

Founded by Dr. M. John Matthewson, a manufacturer of mechanical test equipment for optical fiber.

Founded in 2002, JGR optics is a reliable provider of equipment and calibration services to key industries worldwide.

With decades of experience in the optical communication industry, leading the trend of key production processes for lasers, instruments and devices, we have successfully introduced new optical technologies to a wider range of fields.

(NASDAQ: PCTI) is a leading provider of communications and optimization solutions for the global wireless industry.

LitePoint is the leading test solution provider for the world's leading manufacturers of wireless modules and consumer electronics products.