GL Communications, Inc.

GL Communications, Inc. is a global provider of test and measurement solutions and consulting services for the telecommunications industry. Founded in 1986 by Vijay Kulkarni and T. Bruce Yost, the company's core mission is to deliver comprehensive solutions that verify and ensure the quality and reliability of various telecom networks. Its headquarters are located in Gaithersburg, Maryland, USA.

The company offers a broad suite of products and services, including test and measurement equipment designed for wireless (2G to 5G), IP, Ethernet, optical, and TDM networks. Their solutions provide both analysis and emulation capabilities, enabling the simulation and detailed analysis of signals and traffic. Key offerings range from PC-based software tools to advanced hardware solutions for conformance, stress/load, and performance testing, alongside network analysis and cellular lab environments. Additionally, GL Communications, Inc. provides extensive consulting services, encompassing design, testing, inspection, project management, and custom hardware/software development for government and private sector clients globally.

Vijay Kulkarni leads the company as President and CEO. GL Communications, Inc. maintains a strong market presence through continuous innovation, with recent announcements in early 2026 highlighting advancements in SIP network testing, ED-137 recorder testing for IP-based Air Traffic Management (ATM) systems, and unified telecom test solutions spanning 5G, IP, optical, and TDM networks. With over 35 years of industry experience, the company serves a diverse client base that includes service providers, equipment manufacturers, aerospace and defense organizations, and government agencies worldwide, particularly emphasizing its expertise in air traffic management systems.