Tri-Electronics offers a range of audio, sound and digital processing systems. The company provides on-site repair and maintenance solutions for telephone and security systems. It operates voice, engineering and radio divisions. Tri-Electronics offers bidirectional amplifiers, emergency call boxes and vehicle lighting units. The company also installs and tunes speakers, mixing consoles and sound systems in cathedrals, temples, churches and mosques. It provides two-way radios manufactured by EFJohnson Technologies, Kenwood Corporation and Vertex Standard. Tri-Electronics offers weather-resistant sound systems for amusement parks, sports arenas, cruise ships and racetracks. The company provides consulting services for projects related to telecommunication utilities and design and build infrastructure. It serves commercial, industrial and government clients. Tri-Electronics offers user guides and handbooks. The company is affiliated with the Illinois Police Chiefs Association, Gary Chamber of Commerce, and Merrillville Chamber of Commerce. It has partnerships with the DOD Electronics, Century Optics and Ace Label.