The Punjab government has cancelled licences of 20 security companies for violating different laws, reported 24NewsHD TV channel.
The Punjab Home Department also issued show-cause notices to the 30 security companies on Wednesday.
According to sources, several companies had not imparted any training to its security guards. A number of companies were still operating despite expiry of their licences.
A total of 325 security companies are working under the Home Department.
Reporter Qaisar Khokhar