Description Petards Group likes to keep an eye on things. The company designs, manufactures, and distributes security and surveillance systems for government and commercial customers in the UK. Petards Group also builds mobile video systems for use in law enforcement and electronic warfare systems for the UK military. Through its Joyce-Loebl subsidiary, the company develops products such as passenger information systems, security devices, and electronic warfare units for the transport and defense industries. Although the UK accounts for the bulk of Petards Group's sales, the company has operations in other European countries as well as the US.