STH Holdings Co., Ltd. (STHH), headquartered in Bangkok, Thailand, is a prominent investment holding company that operates as the cornerstone of a dynamic group of subsidiaries and associates. With our unwavering commitment and deep-rooted expertise in the professional audio industry, we have established ourselves as a driving catalyst for innovation and success.
Comprising five subsidiaries and one associate, our group encompasses a comprehensive range of expertise and services to meet the diverse needs of our stakeholders. One Systems Tech (OST), based in Taiwan, serves as our procurement center, ensuring efficient sourcing and supply chain management. STH A-Ton (Thailand) Co., Ltd. (STHAT), located in Thailand, excels in the manufacturing of voice coils and speakers, delivering cutting-edge audio components of unparalleled quality. STH Professional Audio Co.,Ltd. (STHPA), also based in Thailand, is dedicated to delivering exceptional audio solutions, especially the esteemed brand “P.Audio”, to our valued customers. One Systems Inc. (OSI), established in the United States, takes pride in its expertise in marketing and selling products, proudly bearing the renowned brand “ONE SYSTEMS”. Furthermore, One Systems Global Production Co., Ltd. (OSGP), operating in Thailand, specializes in audio and lighting equipment rental, catering to show and event management needs, both locally and internationally.
Our associate, GP Electronics & Acoustics Co., Ltd. (GPEA), invested with a 10% stake, excels in the manufacturing of speaker products for STHPA, ensuring our commitment to exceptional quality and performance. At STH Group, we are dedicated to empowering excellence throughout the professional audio industry. By leveraging the collective expertise and resources of our subsidiaries and associate, we are able to deliver innovative solutions, exceptional products, and unrivaled service to our valued stakeholders.