Dorset Police are hoping eagle-eyed residents can help identify premises featured in surveillance footage.
Four images have been released showing several premises, where police believe the security may be compromised.
The footage includes two women believed to be staff, a person in work uniform and a man in a red jacket.
Detective Constable Andy Haworth of Dorset Police said: "We have recovered some more images from what we believe to be surveillance footage of premises possibly in the west of Dorset.
"One of the photos shows a plaque seen through some double doors that has the wording 'Supported by South Somerset' with the logo of the South Somerset Council underneath.
"I am keen to identify the businesses in these images to find out if they have been a victim of crime and to ensure that their security has not been compromised.
"I particularly would like to speak to the people shown in the pictures to see if they have any information that can help me with my investigation.
"I would like to make it clear that the people seen in these images are purely witnesses to any possible offences and are not in any sort of trouble but I believe that they will be able to identify the locations in the photos."
Anyone with information should contact Dorset Police on 101.