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Stromberg-Carlson was a United States telecommunications equipment and electronics manufacturing company. It was formed in 1894 as a partnership by Swedish immigrants Alfred Stromberg (1861 Varnhem, Sweden - 1913 Chicago) and Androv Carlson (1854 Tommared, Sweden - 1925 Chicago). It was one of five companies that controlled the national supply ...
Riedel operates in three business fields: [12] [13] • Manufacturing: Riedel designs, manufactures and distributes real-time networks for video, audio, data and communications. The products are used worldwide for broadcast, [14] [15] professional audio, event, [16] [17] [18] sports, [19] [20] theatre, universities [21] and security applications.
An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portably within a small coverage area, which functions independently of the public telephone network. [1] Intercoms are generally mounted permanently in ...
Kellogg company logo as used from the 1920s to the 1950s. The Kellogg Switchboard and Supply Company was an American manufacturer of telecommunication equipment. Anticipating the expiration of the earliest, fundamental Bell System patents, Milo G. Kellogg, an electrical engineer, founded the company in 1897 in Chicago to produce telephone exchange equipment and telephone apparatus.
US$200 million (2021)[1] Number of employees. 1,013 (2022) [2] Website. intercom.com. Intercom, Inc. is a software company that specializes in business messaging, providing businesses with a way to chat with their customers. [3] Intercom has its headquarters in San Francisco with offices in Chicago, Dublin, Sydney and London.
4,300+ (2023) [1] AVI-SPL is a multi-office provider of collaboration and audio video technologies, and managed AV services to businesses and organizations. The company installs equipment related to video conferencing and telepresence, digital media systems, audio, security systems, control rooms, and provides onsite staffing.
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