Sipartech Sipartech is a company that specializes in dark fiber optics and optical transmission solutions. | ![]() Adtran Networks UK Adtran Networks UK (formerly known as Adva Optical Networking) is a company that provides networking and communications products. | ![]() ATN International ATN International (formerly known as Atlantic Tele-Network) is a provider of digital infrastructure and communications services. | |
Founding Date | Founding Date 2008 | Founding Date 1998 | Founding Date 1987 |
Type | Type Subsidiary | Type Subsidiary | Type Public |
Tags | |||
Locations | Locations Paris, FR HQ | Locations York, GB HQ | Locations Beverly, US HQ Little Rock, US Sandy Springs, US |
Employees | Employees 1541% increase | Employees 1243% increase | Employees 2,4004% increase |
Financial | |||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) £74.9m (FY, 2023) | Revenue (est.) $728m (FY, 2025) |
Net income | Net income N/A | Net income £1.2m (FY, 2023) | Net income ($23.5m) (FY, 2025) |

Adtran Networks UK (formerly known as Adva Optical Networking) is a company that provides networking and communications products.
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ATN International (formerly known as Atlantic Tele-Network) is a provider of digital infrastructure and communications services.
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