A large quantity of fuel was stolen from the yard of Tels Ltd, Snugborough Industrial Estate, Union Mills, between lunchtime on Saturday and Monday morning.
A police spokesman said: ‘Tels is supporting the police in the investigation and would like to remind all local businesses not to fall into the same trap.
‘Please ensure your gates are locked, lighting is working, and CCTV cameras are good quality and produce good quality images. Don’t be an easy target.
‘If anybody has any information regarding this fuel theft or any other theft of fuel during the winter season, please contact police on 631212 or Crimestoppers anonymously on 0800 555111.’