Officers are releasing CCTV images of the suspects following burglaries at businesses in Poole.
The incidents occurred over a 48-hour period between Sunday 25 November and Monday 26 November 2018 at the Dawkins Road Industrial Estate.
Two burglaries occurred at MB Wilkes and Craigos catering vehicle. A quantity of cash was stolen, along with kitchen appliances and diesel siphoned from the vehicle.
A quantity of diesel was also stolen from a vehicle belonging to Aerothermal Limited.
Police Constable Kelly Stronach, of Poole police, said: “I am now in a position to issue CCTV images of the suspects.
“I would ask that anyone who recognises either person to please contact Dorset Police.”
For crime prevention advice and how to secure your business visit https://www.dorset.police.uk/help-advice-crime-prevention/home-property-belongings/secure-your-business/.
Anyone with information is asked to contact Dorset Police at www.dorset.police.uk, via email firstname.lastname@example.org or by calling 101, quoting occurrence number 55180190127. Alternatively, contact Crimestoppers anonymously on 0800 555 111 or via www.crimestoppers-uk.org.