The two motorhomes were stolen from Better Than Camping on the Chadwick Bank Industrial Estate, in Stourport, between 9pm and 10.30pm on Thursday, February 11.
PC Ash Colley, from West Mercia Police, said: "As part of our investigation we are appealing for witnesses who may have seen three people, all wearing hoods and face coverings, acting suspiciously in and around Chadwick Bank Industrial Estate on that Thursday night.
“One of the vehicles is a Swift Kontiki with a black cab – FJ15 BPO – and the other a white body Weinsberg – YN17 CTX.
"We would like to hear from anyone with any information about the stolen vehicles.”
Anyone with information is urged to call West Mercia Police on 101. Alternatively, witnesses can call Crimestoppers anonymously on 0800 555111.