Oxley Group (also known as Oxley Developments Company) is a company that designs and manufactures electronic and electro-optic components and systems. Its products include electromagnetic interference (EMI) filters, LED panel mount indicators, printed circuit connectors, insulated terminals, test plugs and sockets, etc. The company also provides CNC milling, turning, electroplating, optical coating, leak testing, and prototyping services. Oxley Group caters to defense, aerospace, rail, telecommunications, marine, and other industries.