![]() Rohde and Schwarz USA Rohde and Schwarz USA is a manufacturer of test and measurement, secure communications, monitoring and network testing, and broadcasting equipment. | ![]() Telco Systems Telco Systems is a company that designs and develops network communications equipment and software. | ![]() Applied Optoelectronics Applied Optoelectronics, Inc. (AOI) is a company that designs and manufactures fiber optic networking products. | |
Founding Date | Founding Date 1978 | Founding Date 1972 | Founding Date 1997 |
Type | Type Subsidiary | Type Subsidiary | Type Public |
Tags | |||
Locations | Locations Columbia, US HQ Coppell, US Frederick, US Hillsboro, US Irvine, US Milpitas, US Milpitas, US | Locations Mansfield, US HQ Yokne'am Illit, IL | Locations Sugar Land, US HQ Ningbo, CN New Taipei City, TW Duluth, US |
Employees | Employees 750 | Employees 3591% decrease | Employees 2,1493% decrease |
Operating ⚠ | |||
Trademarks (US) | Trademarks (US) 1 (May, 2024) | Trademarks (US) 8 (Mar, 2023) | Trademarks (US) N/A |

Telco Systems is a company that designs and develops network communications equipment and software.
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Applied Optoelectronics, Inc. (AOI) is a company that designs and manufactures fiber optic networking products.
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