1951 - DEFENCE.
Dr Herbert Loebl establishes Joyce-Loebl along with fellow engineering graduate Robert Joyce.
1992 - TRANSPORT.
Joyce-Loebl adds transport technologies to its existing defence capabilities.
1997 - SURVEILLANCE.
Petards established to develop specialist CCTV software and systems.
1999 - SURVEILLANCE.
Petards Group plc listed on the London Stock Exchange Alternative Investment Market (AIM).
2000 - EMERGENCY SERVICES.
Petards acquires ProVida brand from Jai A/S of Denmark.
2001 - DEFENCE and TRANSPORT.
Joyce-Loebl acquired by Petards, doubling the size of the Group.
2006 - ANPR.
Petards acquires EIMC, adding advanced ANPR (Automatic Number Plate Recognition) cameras to the ProVida brand.